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Hurricane Oscar Develops Rapidly Southeast of the Bahamas

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Hurricane Oscar developed rapidly over the Atlantic Ocean southeast of the Bahamas on Saturday afternoon.  At 2:00 p.m. EDT on Saturday the center of Hurricane Oscar was located at latitude 21.4°N and longitude 70.6°W which put the center about 165 miles (265 km) east-southeast of the Southeastern Bahamas.  Oscar was moving toward the west at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 95 m.p.h. (150 km/h).  The minimum surface pressure was 989 mb.

A Hurricane Warning is in effect for the Turks and Caicos, and the Southeastern Bahamas.

A Hurricane Watch is in effect for the Cuban provinces of Guantanamo, Holguin, and Las Tunas.

A Tropical Storm Warning is in effect for the Cuban provinces of Guantanamo, Holguin and Las Tunas.

A Hurricane Watch is in effect for the Cuban province of Camaguey.

A U.S. Air Force Reserve Hurricane Hunter reconnaissance plane found that a low pressure system over the Atlantic Ocean southeast of the Bahamas had rapidly developed into a hurricane on Saturday afternoon.  Based on data gather by the reconnaissance flight, the U.S. National Hurricane Center designated the system as Hurricane Oscar.

The circulation around Hurricane Oscar was very small.  A very small eye with a diameter of 4 miles (6 km) was at the center of Oscar’s circulation.  The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms.  Short bands of showers and thunderstorms were revolving around the center of Hurricane Oscar.  Storms near the center of Oscar generated upper level divergence that pumped mass away from the hurricane.

The circulation around Hurricane Oscar was very small.  Winds to hurricane force extended out 5 miles (8 km) on the northern side of Oscar’s circulation.  Winds to tropical storm force extended out 45 miles (75 km) from the center of Hurricane Oscar.

Hurricane Oscar will move through an environment mostly favorable for intensification during the next 24 hours.  Oscar will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the eastern end of an upper level ridge over the Bahamas.  The upper level ridge will produce northeasterly winds that will blow toward the top of Oscar’s circulation.  Those winds will cause some vertical wind shear, but the wind shear will not be enough to prevent intensification.  Hurricane Oscar is likely to intensify during the next 24 hours.

Hurricane Oscar will move around the southern side of a high pressure system over the western Atlantic Ocean.  The high pressure system will steer Oscar toward the west during the next 24 hours.  On its anticipated track, Hurricane Oscar will move over the Turks and Caicos and the Southeastern Bahamas.  Oscar could approach eastern Cuba on Sunday night.

Hurricane Oscar will bring strong winds and locally heavy rain to the Turks and Caicos and the Southeastern Bahamas.  Heavy rain could cause flash floods in some locations.

Elsewhere, Tropical Storm Nadine brought strong winds and heavy rain to parts of Belize and the Yucatan Peninsula.  At 2:00 p.m. EDT on Saturday the center of Tropical Storm Nadine was located at latitude 17.6°N and longitude 88.5°W which put the center about 20 miles (30 km) west-northwest of Belize City, Belize.  Nadine was moving toward the west at 8 m.p.h. (13 km/h).  The maximum sustained wind speed was 50 m.p.h. (80 km/h) and there were wind gusts to 65 m.p.h. (105 km/h).  The minimum surface pressure was 1003 mb.

A Tropical Storm Warning is in effect for the portion of the coast from Belize City,, Belize to Cancun, Mexico.  The Tropical Storm Warning includes Cozumel.

Tropical Storm Nadine Forms East of Belize

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Tropical Storm Nadine formed over the Northwest Caribbean Sea east of Belize on Friday night. At 8:00 a.m. EDT on Saturday the center of Tropical Storm Nadine was located at latitude 17.3°N and longitude 87.3°W which put the center about 60 miles (95 km) east of Belize City, Belize. Nadine was moving toward the west at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 45 m.p.h. (75 km/h) and there were wind gusts to 60 m.p.h. (95 km/h).  The minimum surface pressure was 1002 mb.

A Tropical Storm Warning is in effect for the portion of the coast from Belize City,, Belize to Cancun, Mexico.  The Tropical Storm Warning includes Cozumel.

A low pressure system previously designated as Potential Tropical Cyclone Fifteen intensified during Friday night and the U.S. National Hurricane Center designated the system as Tropical Storm Nadine.  The circulation around Tropical Storm Nadine exhibited much more organization on Saturday morning.  More thunderstorms developed near the center of Nadine’s circulation.  The inner end of a rainband wrapped part of the way around the center of circulation.  Bands of showers and thunderstorms were revolving around the center of Tropical Storm Nadine.  Storms near the center of Nadine generated upper level divergence that pumped mass away from the tropical storm.  The removal of mass caused the pressure to decrease.

The distribution of wind speeds in Tropical Storm Nadine was asymmetrical.  Winds to tropical storm force extended out 230 miles (370 km) in the northern side of Nadine’s circulation.  The winds in the southern side of Tropical Storm Nadine were blowing at less than tropical Storm force.

Tropical Storm Nadine will move through an environment favorable for intensification during the next few hours. Nadine will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the western end of an upper level ridge over the Caribbean Sea. The upper level ridge will produce southeasterly winds that will blow toward the top of the tropical disturbance.  Those winds will cause some vertical wind shear.  The wind shear will inhibit intensification, but the wind shear will not be enough to prevent the intensification.  Tropical Nadine will intensify during the next few hours.

Tropical Storm Nadine will move around the southern side of a high pressure system over the eastern United States.  The high pressure system will steer Nadine toward the west during the nest 24 hours.  On its anticipated track, Tropical Storm Nadine will make landfall on the coast of Belize in a few hours.

Tropical Storm Nadine will bring strong winds and heavy rain to parts of Belize and the Yucatan Peninsula.  Heavy rain is likely to cause flash floods in some locations.

Hurricane Milton Strengthens Back to Cat. 5

Hurricane Milton strengthened back to Category 5 on the Saffir-Simpson Scale after completing an eyewall replacement cyclone on Tuesday.  At 5:00 p.m. EDT on Tuesday the center of Hurricane Milton was located at latitude 22.7°N and longitude 87.5°W which put the center about 480 miles (775 km) southwest of Tampa, Florida.  Milton was moving toward the east-northeast at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 165 m.p.h. (265 km/h) and there were wind gusts to 195 m.p.h. (315 km/h).  The minimum surface pressure was 905 mb.

A Hurricane Warning is in effect for the portion of the coast from Bonita Beach to the Mouth of the Suwanee River, Florida.  The Hurricane Warning includes Tampa Bay.  A Hurricane Warning is in effect for the portion of the coast from the St. Lucie/Martin County Line to Ponte Vedra Beach, Florida.

A Hurricane Watch is in effect for the portion of the coast from Chokoloskee to Bonita Beach, Florida.  A Hurricane Watch is in effect for Lake Okeechobee.  A Hurricane Watch is in effect for the Dry Tortugas.  A Hurricane Watch is in effect for the portion of the coast from Ponte Vedra Beach to the Mouth of the St. Mary’s River, Florida.  A Hurricane Watch is in effect for the portion of the coast from St. Lucie/Martin County Line to the Martin/Palm Beach County Line, Florida.

A Tropical Storm Warning is in effect for the Florida Keys and the Dry Tortugas.  A Tropical Storm Warning is in effect for Lake Okeechobee.  A Tropical Storm Warning is in effect for the portion of the coast from Flamingo to Bonita Beach, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from the Mouth of the Suwanee River to Indian Pass, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from Flamingo to the St. Lucie/Martin County Line, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from Ponte Vedra Beach, Florida to Altamaha Sound, Georgia.  A Tropical Storm Warning is in effect for the portion of the coast from Dzilam to Cancun, Mexico.  A Tropical Storm Warning is in effect for the extreme Northwestern Bahamas including Grand Bahama Island, the Abacos and Bimini.

A Tropical Storm Watch is in effect for the portion of the coast from Altamaha Sound, Georgia to the South Santee River, South Carolina.

Hurricane Milton strengthened back to Category 5 on the Saffir-Simpson Scale on Tuesday afternoon after an eyewall replacement cycle was completed.  A new eye with a diameter of 12 miles (19 km) was at the center of Milton’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Milton.  Storms near the center of Milton’s circulation generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to remain very low.

The completion of the eyewall replacement cycle caused the size of the circulation around Hurricane Milton to increase a little more.  Winds to hurricane force extend out 30 miles (50 km) from the center of Milton’s circulation.  Winds to tropical storm force extend out 140 miles (220 km) from the center of Hurricane Milton.

The Hurricane Intensity Index (HII) for Hurricane Milton is 36.8. The Hurricane Size Index (HSI) is 11.7 and the Hurricane Wind Intensity Size Index (HWISI) is 48.5.  Hurricane Milton is stronger than Hurricane Michael was when Michael hit Northwest Florida in 2018.  Milton is not quite as big as Michael was.  Hurricane Milton is similar in size and intensity to Hurricane Otis when Otis hit Acapulco last year.

Hurricane Milton move through an environment favorable for a powerful hurricane during the next 18 hours.  Milton will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Milton will could intensify a little more during the next 18 hours.  An upper level trough over the Mississippi River Valley will produce westerly winds that will blow toward the top of Milton’s circulation later on Wednesday.  Those winds will cause the vertical wind shear to increase and Hurricane Milton is likely to start to weaken on Wednesday afternoon.  In addition, the inner end of another rainband could wrap around the existing eye and eyewall.  If concentric eyewalls form again, then another eyewall replacement cycle will cause Hurricane Milton to weaken faster.  However, if an another eyewall replacement cycle occurs, then the size of Milton’s circulation will increase again.

The upper level trough over the Mississippi River Valley will start to steer Milton more quickly toward the northeast during the next 24 hours.  On its anticipated track, Hurricane Milton will reach the west coast of Florida on Wednesday night.  Milton will be a major hurricane when it reaches Florida.

Hurricane Milton will be a major hurricane when it hits the west coast of Florida.  Milton will bring strong gusty winds and heavy rain to the west coast of Florida. Milton will also bring strong winds and heavy rain to central Florida.

Hurricane Warnings are in effect for many of the counties in Central Florida.  Those Hurricane Warnings include Orlando.

Milton will be capable of causing major damage. Heavy rains will cause floods in some locations. Widespread electricity outages are likely.

Flood Watches are in effect for much of the Florida Peninsula.

Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

A Storm Surge Warning is in effect for the portion of the coast from Flamingo to the Mouth of the Suwanee River, Florida.  The Storm Surge Warning includes Tampa Bay and Charlotte Harbor.  A Storm Surge Warning is also in effect for the portion of the coast from Sebastian Inlet, Florida to Altamaha Sound, Georgia.

A Storm Surge Watch has been issued for the portion of the coast from Altamaha Sound, Georgia to Edisto Beach, South Carolina.

Elsewhere over the Atlantic Ocean, Hurricane Leslie was still churning west of the Cabo Verde Islands.  At 5:00 p.m. EDT on Tuesday the center of Hurricane Leslie was located at latitude 20.0°N and longitude 46.4°W which put the center about 1490 miles (2400 km) west-northwest of the Cabo Verde Islands.  Leslie was moving toward the northwest at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (150 km/h).  The minimum surface pressure was 992 mb.

Hurricane and Storm Surge Warnings Issued for Florida’s West Coast Because of Cat. 5 Milton

Hurricane Warnings and Storm Surge Warnings were issued for the west coast of Florida because of the threat posed by Category 5 Hurricane Milton.  At 5:00 p.m. EDT on Monday the center of Hurricane Milton was located at latitude 21.8°N and longitude 90.8°W which put the center about 80 miles (130 km) west-northwest of Progreso, Mexico.  Milton was moving toward the east-southeast at 10 m.p.h. (16 km/h).  The maximum sustained wind speed was 180 m.p.h. (290 km/h) and there were wind gusts to 215 m.p.h. (345 km/h).  The minimum surface pressure was 905 mb.

A Hurricane Warning is in effect for the portion of the coast from Bonita Beach to the Mouth of the Suwanee River, Florida.  The Hurricane Warning includes Tampa Bay.  AA Hurricane Warning is in effect for the portion of the coast from Celestun to Rio Lagartos, Mexico.

A Hurricane Watch is in effect for the portion of the coast from Chokoloskee to Bonita Beach, Florida.  A Hurricane Watch is in effect for Lake Okeechobee.  A Hurricane Watch is in effect for the Dry Tortugas.  A Hurricane Watch is in effect for the portion of the coast from the St. Lucie. Indian River County Line to the Mouth of the St. Mary’s River, Florida.  A Hurricane Watch is in effect for the portion of the coast from Celestun to Campeche, Mexico.  A Hurricane Watch is in effect for the portion of the coast from Rio Lagartos to Cabo Catoche, Mexico.

A Tropical Storm Warning is in effect for the Florida Keys and the Dry Tortugas.  A Tropical Storm Warning is in effect for Lake Okeechobee.  A Tropical Storm Warning is in effect for the portion of the coast from Flamingo to Bonita Beach, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from the Mouth of the Suwanee River to Indian Pass, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from Rio Lagartos to Cancun, Mexico.  A Tropical Storm Warning is in effect for the portion of the coast from Celestun to Campeche, Mexico.

A Tropical Storm Watch is in effect for the portion of the coast from Flamingo to the St. Lucie/Indian River County Line, Florida.   A Tropical Storm Watch is in effect for the portion of the coast from the Mouth of the St. Mary’s River, Florida to the South Santee River, South Carolina.

Hurricane Milton continued to intensify late on Monday afternoon.  A circular eye with a diameter of 17 miles (28 km) was at the center of Milton’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Milton.  Storms near the center of Milton’s circulation generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

Hurricane Milton is a small hurricane.  Winds to hurricane force extend out 30 miles (50 km) from the center of Milton’s circulation.  Winds to tropical storm force extend out 80 miles (130 km) from the center of Hurricane Milton.

The Hurricane Intensity Index (HII) for Hurricane Milton is 42.2. The Hurricane Size Index (HSI) is 10.6 and the Hurricane Wind Intensity Size Index (HWISI) is 52.8.  Hurricane Milton is stronger than Hurricane Michael was when Michael hit Northwest Florida in 2018.  Milton is not quite as big as Michael was.

Hurricane Milton move through an environment favorable fora powerful hurricane during the next 24 hours.  Milton will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Milton will could intensify a little more during the next 24 hours.  However, the inner end of a rainband could wrap around the existing eye and eyewall.  If concentric eyewalls form, then an eyewall replacement cycle will cause Hurricane Milton to weaken.  If an eyewall replacement cycle occurs, then the size of Milton’s circulation will get larger.

An upper level trough over the central U.S. will start to steer Milton more quickly toward the northeast during the next 24 hours.  On its anticipated track, Hurricane Milton will reach the west coast of Florida on Wednesday evening.  Milton will be a major hurricane when it reaches Florida.

Hurricane Milton will be a major hurricane when it hits the west coast of Florida.  Milton will bring strong gusty winds and heavy rain to the west coast of Florida.  Milton will also bring strong winds and heavy rain to central Florida.  Milton will be capable of causing major damage. Heavy rains will cause floods in some locations.  Widespread electricity outages are likely.

Flood Watches are in effect for much of the Florida Peninsula.

Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

A Storm Surge Warning is in effect for the portion of the coast from Flamingo to the Mouth of the Suwanee River, Florida.  The Storm Surge Warning includes Tampa Bay and Charlotte Harbor.

A Storm Surge Watch has been issued for the portion of the coast from Sebastian Inlet, Florida to Edisto Beach, South Carolina.

Elsewhere over the Atlantic Ocean, Hurricane Leslie was slowly weakening.  At 5:00 p.m. EDT on Monday the center of Hurricane Leslie was located at latitude 17.4°N and longitude 42.1°W which put the center about 1185 miles (1910 km) west of the Cabo Verde Islands.  Leslie was moving toward the northwest at 14 m.p.h. (22 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 95 m.p.h. (150 km/h).  The minimum surface pressure was 988 mb.

Hurricane Milton Rapidly Intensifies to Cat. 5

Hurricane Milton rapidly intensified to Category 5 on the Saffir-Simpson Scale on on Monday morning.  At 12:00 p.m. EDT on Monday the center of Hurricane Milton was located at latitude 21.7°N and longitude 91.6°W which put the center about 125 miles (200 km) west-northwest of Progreso, Mexico.  Milton was moving toward the east-southeast at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 160 m.p.h. (260 km/h) and there were wind gusts to 190 m.p.h. (305 km/h).  The minimum surface pressure was 925 mb.

A Hurricane Warning is in effect for the portion of the coast from Celestun to Rio Lagartos, Mexico.

A Hurricane Watch is in effect for the portion of the coast from Chokoloskee to the Mouth of the Suwanee River, Florida.  The Hurricane Watch includes Tampa Bay.  A Hurricane Watch is in effect for Lake Okeechobee.  A Hurricane Watch is in effect for the Dry Tortugas.  A Hurricane Watch is in effect for the portion of the coast from Celestun to Campeche, Mexico.  A Hurricane Watch is in effect for the portion of the coast from Rio Lagartos to Cabo Catoche, Mexico.

A Tropical Storm Warning is in effect for the portion of the coast from Rio Lagartos to Cancun, Mexico.  A Tropical Storm Warning is in effect for the portion of the coast from Celestun to Campeche, Mexico.

A Tropical Storm Watch is in effect for the Florida Keys.  A Tropical Storm Watch is in effect for the portion of the coast from Flamingo to Chokoloskee, Florida.  A Tropical Storm Watch is in effect for the portion of the coast from the Mouth of the Suwanee River to Indian Pass, Florida.

Hurricane Milton rapidly intensified to Category 5 on the Saffir-Simpson Scale on Monday morning.  A circular eye with a diameter of 17 miles (28 km) was at the center of Milton’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Milton.  Storms near the center of Milton’s circulation generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

Hurricane Milton was a small hurricane.  Winds to hurricane force extended out 30 miles (50 km) from the center of Milton’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Hurricane Milton.

The Hurricane Intensity Index (HII) for Hurricane Milton is 35.0.  The Hurricane Size Index (HSI) is 10.6 and the Hurricane Wind Intensity Size Index (HWISI) is 45.6. Hurricane Milton is as strong as Hurricane Michael when Michael hit Northwest Florida in 2018.  Milton is not quite as big as Michael was.

Hurricane Milton move through an environment favorable for intensification during the next 24 hours.  Milton will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Milton will intensify during the next 24 hours.  Milton could continue to intensify rapidly for a few more hours.

An upper level trough over the central U.S. will start to steer Milton more quickly toward the northeast during the next 24 hours.  On its anticipated track, Hurricane Milton will reach the west coast of Florida on Wednesday.  Milton will be a major hurricane when it reaches Florida.

Hurricane Milton will be a major hurricane when it hits the west coast of Florida. Milton will bring strong gusty winds and heavy rain to the west coast of Florida. Milton will also bring strong winds and heavy rain to central Florida. Milton will be capable of causing major damage. Heavy rains will cause floods in some locations. Widespread electricity outages are likely.

Flood Watches are in effect for much of the Florida Peninsula.

Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

A Storm Surge Watch is in effect for the portion of the coast from Flamingo to the Mouth of the Suwanee River, Florida.  The Storm Surge Watch includes Tampa Bay and Charlotte Harbor.

Elsewhere over the Atlantic Ocean, Hurricane Kirk was making an transition to a strong extratropical cyclone and Hurricane Leslie was spinning west of the Azores.

At 11:00 a.m. EDT on Monday the center of Hurricane Kirk was located at latitude 41.7°N and longitude 38.4°W which put the center about 655 miles (1055 km) west-northwest of the Azores.  Kirk was moving toward the northeast at 29 m.p.h. (46 km/h).  The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (145 km/h).  The minimum surface pressure was 963 mb.

At !!:00 a.m. EDT on Monday the center of Hurricane Leslie was located at latitude 16.4°N and longitude 41.2°W which put the center about 1120 miles (1805 km) west of the Cabo Verde Islands.  Leslie was moving toward the northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 85 m.p.h. (135 km/h) and there were wind gusts to 100 m.p.h. (160 km/h).  The minimum surface pressure was 985 mb.

Rapidly Intensifying Hurricane Milton Prompts Hurricane Watch for Florida

The threat posed by rapidly intensifying Hurricane Milton prompted the issuance of a Hurricane Watch for the west coast of Florida on Monday morning.  At 8:00 a.m. EDT on Monday the center of Hurricane Milton was located at latitude 21.8°N and longitude 92.9°W which put the center about 165 miles (265 km) west-northwest of Progreso, Mexico.  Milton was moving toward the east-southeast at 8 m.p.h. (13 km/h).  The maximum sustained wind speed was 125 m.p.h. (200 km/h) and there were wind gusts to 150 m.p.h. (240 km/h).  The minimum surface pressure was 945 mb.

A Hurricane Warning is in effect for the portion of the coast from Celestun to Rio Lagartos, Mexico.

A Hurricane Watch is in effect for the portion of the coast from Chokoloskee to the Mouth of the Suwanee River, Florida.  The Hurricane Watch includes Tampa Bay.  A Hurricane Watch is in effect for the Dry Tortugas.  A Hurricane Watch is in effect for the portion of the coast from Celestun to Campeche, Mexico.  A Hurricane Watch is in effect for the portion of the coast from Rio Lagartos to Cabo Catoche, Mexico.

A Tropical Storm Warning is in effect for the portion of the coast from Rio Lagartos to Cancun, Mexico.  A Tropical Storm Warning is in effect for the portion of the coast from Celestun to Campeche, Mexico.

A Tropical Storm Watch is in effect for the Florida Keys.  A Tropical Storm Watch is in effect for the portion of the coast from Flamingo to Chokoloskee, Florida.  A Tropical Storm Watch is in effect for the portion of the coast from the Mouth of the Suwanee River to Indian Pass, Florida.

Hurricane Milton rapidly intensified to a major hurricane on Monday morning.  A circular eye with a diameter of 17 miles (28 km) formed at the center of Milton’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Milton.  Storms near the center of Milton’s circulation generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

Hurricane Milton was a small hurricane.  Winds to hurricane force extended out 35 miles (55 km) from the center of Milton’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Hurricane Milton.

The Hurricane Intensity Index (HII) for Hurricane Milton is 23.6.  The Hurricane Size Index (HSI) is 11.1 and the Hurricane Wind Intensity Size Index (HWISI) is 34.7.  Hurricane Milton is similar in size and intensity to Hurricane Dennis when Dennis hit Northwest Florida in 2005.

Hurricane Milton move through an environment favorable for intensification during the next 24 hours.  Milton will move over water where the Sea Surface Temperatures are near 30°C. It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear.  Hurricane Milton will intensify during the next 24 hours.  Milton could continue to intensify rapidly. Hurricane Milton could to strengthen to Category 5 on the Saffir-Simpson Scale by Tuesday.

An upper level trough over the central U.S. will start to steer Milton more quickly toward the northeast during the next 24 hours.  On its anticipated track, Hurricane Milton will reach the west coast of Florida on Wednesday. Milton will be a major hurricane when it reaches Florida.

Hurricane Milton will be a major hurricane when it hits the west coast of Florida.  Milton will bring strong gusty winds and heavy rain to the west coast of Florida.  Milton will also bring strong winds and heavy rain to central Florida.  Milton will be capable of causing major damage. Heavy rains will cause floods in some locations.  Widespread electricity outages are likely.  Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

A Storm Surge Watch is in effect for the portion of the coast from Flamingo to the Mouth of the Suwanee River, Florida.  The Storm Surge Watch includes Tampa Bay and Charlotte Harbor.

Elsewhere over the Atlantic Ocean, Hurricane Kirk was making an transition to a strong extratropical cyclone and Hurricane Leslie was spinning west of the Azores.

At 5:00 a.m. EDT on Monday the center of Hurricane Kirk was located at latitude 40.2°N and longitude 41.0°W which put the center about 765 miles (1230 km) west-northwest of the Azores. Kirk was moving toward the northeast at 30 m.p.h. (49 km/h).  The maximum sustained wind speed was 75 m.p.h. (120 km/h) and there were wind gusts to 90 m.p.h. (145 km/h).  The minimum surface pressure was 966 mb.

At 5:00 a.m. EDT on Monday the center of Hurricane Leslie was located at latitude 15.6°N and longitude 40.4°W which put the center about 1065 miles (1720 km) west of the Cabo Verde Islands.  Leslie was moving toward the northwest at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 90 m.p.h. (145 km/h) and there were wind gusts to 105 m.p.h. (165 km/h). The minimum surface pressure was 980 mb.

Milton Rapidly Intensifies to a Hurricane

Former Tropical Storm Milton rapidly intensified to a hurricane over the Gulf of Mexico on Sunday.  At 2:00 p.m. EDT on Sunday the center of Hurricane Milton was located at latitude 22.5°N and longitude 94.0°W which put the center about 2905 miles (465 km) west-northwest of Progreso, Mexico.  Milton was moving toward the east at 6 m.p.h. (10 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 95 m.p.h. (145 km/h).  The minimum surface pressure was 988 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Celestun to Cabo Catoche, Mexico.

A Tropical Storm Watch was in effect for the portion of the coast from Cabo Catoche to Cancun, Mexico.

Former Tropical Storm Milton intensified rapidly into a hurricane on Sunday.  The inner end of a rainband wrapped around the center of Milton’s circulation.  An eye was forming at the center of Hurricane Milton.  Other bands of showers and thunderstorms were revolving around the center of Milton.  Storms near the center of Milton’s circulation generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

The size of the circulation around Hurricane Milton increased as Milton rapidly intensified.  Winds to hurricane force extended out 20 miles (30 km) from the center of Milton’s circulation.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Hurricane Milton.

Hurricane Milton move through an environment favorable for intensification during the next 24 hours.  Milton will move over water where the Sea Surface Temperatures are near 31°C.  It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear. Hurricane Milton will intensify during the next 24 hours.  Milton could continue to intensify rapidly.  Hurricane Milton is likely to strengthen to a major hurricane by Tuesday.

A small upper level trough over the northern Gulf of Mexico will steer Hurricane Milton slowly toward the east during the next 24 hours.  A larger upper level trough over the central U.S. will start to steer Milton more quickly toward the northeast on Monday.  On its anticipated track, Hurricane Milton will reach the west coast of Florida on Wednesday.  Milton will be a major hurricane when it reaches Florida.

Hurricane Milton will be a major hurricane when it hits the west coast of Florida.  Milton will bring strong gusty winds and heavy rain to the west coast of Florida.  Milton will also bring strong winds and heavy rain to central Florida.  Milton will be capable of causing major damage.  Heavy rains will cause floods in some locations. Widespread electricity outages are likely.  Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

Elsewhere, Hurricane Kirk and Hurricane Leslie continued to spin over the Atlantic Ocean.

At 11:00 a.m. EDT on Sunday the center of Hurricane Kirk was located at latitude 35.6°N and longitude 47.7°W which put the center about 1155 miles (1855 km) west of the Azores.  Kirk was moving toward the northeast at 25 m.p.h. (40 km/h).  The maximum sustained wind speed was 100 m.p.h. (160 km/h) and there were wind gusts to 120 m.p.h. (195 km/h).  The minimum surface pressure was 960 mb.

At 11:00 a.m. EDT on Sunday the center of Hurricane Leslie was located at latitude 13.3°N and longitude 37.9°W which put the center about 910 miles (1465 km) west of the Cabo Verde Islands.  Leslie was moving toward the northwest at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 90 m.p.h. (145 km/h) and there were wind gusts to 105 m.p.h. (165 km/h).  The minimum surface pressure was 982 mb.

Tropical Storm Milton Strengthens Over the Western Gulf of Mexico

Tropical Storm Milton strengthened over the western Gulf of Mexico on Sunday morning.  At 8:00 a.m. EDT on Sunday the center of Tropical Storm Milton was located at latitude 22.6°N and longitude 94.9°W which put the center about 345 miles (560 km) west-northwest of Progreso, Mexico.  Milton was moving toward the east at 5 m.p.h. (8 km/h).  The maximum sustained wind speed was 65 m.p.h. (105 km/h) and there were wind gusts to 80 m.p.h. (130 km/h).  The minimum surface pressure was 991 mb.

A Tropical Storm Watch was in effect for the portion of the coast from Celestun to Cancun, Mexico.

Tropical Storm Milton was intensifying on Sunday morning.  The inner end of a rainband wrapped around the northern and western sides of the center of Milton’s circulation.  Other bands of showers and thunderstorms were revolving around the center of Tropical Storm Milton.  Storms near the center of Milton generated upper level divergence that pumped mass away from the tropical storm.

The circulation around Tropical Storm Milton was small.  Winds to tropical storm force extended out 40 miles (65 km) from the center of Milton’s circulation.

Tropical Storm Milton move through an environment favorable for intensification during the next 24 hours.  Milton will move over water where the Sea Surface Temperatures are near 31°C.  It will move under the axis of an upper level ridge over the Gulf of Mexico.  The upper level winds are weak near the axis of the ridge and there will be little vertical wind shear.  Tropical Storm Milton is likely to intensify to a hurricane during the next 24 hours.  Milton is also likely to strengthen to a major hurricane by Tuesday.

A small upper level trough over the northern Gulf of Mexico will steer Tropical Storm Milton slowly toward the east during the next 24 hours.  A larger upper level trough over the central U.S. will start to steer Milton more quickly toward the northeast on Monday.  On its anticipated track, Tropical Storm Milton will reach the west coast of Florida on Wednesday.  Milton is likely to be a major hurricane when it reaches Florida.

Tropical Storm Milton is likely to be a major hurricane when it hits the west coast of Florida.  Milton will bring strong gusty winds and heavy rain to the west coast of Florida.  Milton will also bring strong winds and heavy rain to central Florida.  Milton will be capable of causing major damage.  Heavy rains will cause floods in some locations.  Widespread electricity outages are likely.  Milton will also produce a storm surge of up to 15 feet (4.5 meters) along the west coast of Florida.

Elsewhere, Hurricane Kirk and Hurricane Leslie continued to churn over the Atlantic Ocean.

At 5:00 a.m. EDT on Sunday the center of Hurricane Kirk was located at latitude 33.5°N and longitude 49.0°W which put the center about 1270 miles (2040 km) west of the Azores.  Kirk was moving toward the north at 23 m.p.h. (37 km/h).  The maximum sustained wind speed was 105 m.p.h. (165 km/h) and there were wind gusts to 125 m.p.h. (200 km/h).  The minimum surface pressure was 957 mb.

At 5:00 a.m. EDT on Sunday the center of Hurricane Leslie was located at latitude 12.9°N and longitude 37.3°W which put the center about 875 miles (1405 km) west of the Cabo Verde Islands.  Leslie was moving toward the northwest at 10 m.p.h. (16 km/h).  The maximum sustained wind speed was 85 m.p.h. (135 km/h) and there were wind gusts to 100 m.p.h. (160 km/h).  The minimum surface pressure was 984 mb.

Helene Strengthens to a Hurricane

Former Tropical Storm Helene strengthened to a hurricane northeast of the Yucatan Peninsula on Wednesday morning.  At 11:00 a.m. EDT on Wednesday the center of Hurricane Helene was located at latitude 21.6°N and longitude 86.3°W which put the center about 500 miles (810 km) south-southwest of Tampa, Florida.  Helene was moving toward the north-northwest at 10 m.p.h. (16 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 95 m.p.h. (150 km/h).  The minimum surface pressure was 979 mb.

A Hurricane Warning is in effect for the portion of the coast from Anclote River to Mexico Beach, Florida.  A Hurricane Warning is in effect for the portion of the coast from Cabo Catoche to Tulum, Mexico.  That Hurricane Warning includes Cancun and Cozumel.

A Hurricane Watch is in effect for the portion of the coast from Anclote River to Englewood, Florida.  The Hurricane Watch includes Tampa Bay.  A Hurricane Watch is also in effect for the Cuban province of Pinar del Rio.

A Tropical Storm Warning is in effect for the portion of the coast from Anclote River to Flamingo, Florida.  The Tropical Storm Warning includes Tampa Bay.  A Tropical Storm Warning is in effect for the Lower and Middle Florida Keys west of Channel 5 Bridge.  A Tropical Storm Warning is in effect for the Dry Tortugas.  A Tropical Storm Warning is in effect for the portion of the coast from Mexico Beach to the Okaloosa/Walton County Line, Florida.  A Tropical Storm Warning is in effect for the portion of the coast from Flamingo, Florida to South Santee River, South Carolina.  A Tropical Storm Warning is in effect for Lake Okeechobee.  A Tropical Storm Warning is in effect for the portion of the coast from Rio Lagartos to Cabo Catoche, Mexico. A Tropical Storm Warning was also in effect for the Cuban provinces of Artemisa, Pinar del Rio and Isle of Youth.

A Tropical Storm Watch is in effect for the portion of the coast from South Santee River to Little River Inlet, South Carolina.

A U.S. Air Force Reserve Hurricane Hunter aircraft found that former Tropical Storm Helene had strengthened to a hurricane on Wednesday morning.  The inner end of a rainband wrapped around the northern, western and southern sides of the center of Helene’s circulation.  An eye appeared to be forming at the center of Hellene.  Bands of showers and thunderstorms were revolving around the core of Hurricane Helene.  Storms near the core generated strong upper level divergence that pumped mass away from the hurricane.  The removal of mass caused the surface pressure to decrease.

Winds to hurricane force extended out 25 miles (40 km) from the center of Hurricane Helene.  Winds to tropical storm force extended out 275 miles (445 km) in the eastern side of Helene’s circulation.  Winds to tropical storm force extended out 105 miles (165 km) in the eastern side of Hurricane Helene.

Hurricane Helene will move through an environment favorable for intensification during the next 24 hours.  Helene will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the middle of an upper level ridge over the western Gulf of Mexico and the northwestern Caribbean Sea.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Hurricane Helene will intensify during the next 24 hours.  Helene is likely to strengthen to a major hurricane by Thursday afternoon.  Helene could intensify rapidly after an inner core with an eye and an eyewall is fully developed.

Hurricane Helene will move around the western end of a high pressure system over the western Atlantic Ocean.  The high pressure system will steer Helene toward the north during the next 24 hours.  On its anticipated track, Hurricane Helene will approach northern Florida on Thursday afternoon.  Helene is likely to be a major hurricane when it reaches the northeastern Gulf of Mexico.

Hurricane Helene is likely to be a major hurricane when it approaches northern Florida on Thursday.  Helene will bring strong winds and heavy rain to northern Florida.  Heavy rain is likely to cause floods.

Flood Watches are in effect for Florida, eastern Alabama, and Georgia.

Helene could also cause a storm surge of up to 15 feet (4.5 meters) along portions of the west coast of Florida.

A Storm Surge Warning is in effect for the portion of the coast from Indian Pass to Flamingo, Florida.  The Storm Surge Warning includes Tampa Bay and Charlotte Harbor.

A Storm Surge Watch is in effect for the portion of the coast from Indian Pass to Mexico Beach, Florida.

Tropical Storm Helene Prompts Hurricane and Storm Surge Warnings for Florida

The risk posed by Tropical Storm Helene prompted the issuance of a Hurricane Warning and a Storm Surge Warning for the west coast of Florida.  At 5:00 p.m. EDT on Tuesday the center of Tropical Storm Helene was located at latitude 19.7°N and longitude 84.7°W which put the center about 155 miles (250 km) east-southeast of Cozumel, Mexico.  Helene was moving toward the west-northwest at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 50 m.p.h. (80 km/h) and there were wind gusts to 65 m.p.h. (105 km/h).  The minimum surface pressure was 995 mb.

A Hurricane Warning is in effect for the portion of the coast from Anclote River to Mexico Beach, Florida.  A Hurricane Warning is in effect for the portion of the coast from Cabo Catoche to Tulum, Mexico.  That Hurricane Warning includes Cancun and Cozumel.

A Hurricane Watch is in effect for the portion of the coast from Anclote River to Englewood, Florida.  The Hurricane Watch includes Tampa Bay.  A Hurricane Watch is also in effect for the Cuban province of Pinar del Rio.

A Tropical Storm Warning is in effect for the portion of the coast from Anclote River to Flamingo, Florida.  The Tropical Storm Warning includes Tampa Bay.  A Tropical Storm Warning is in effect for the Lower and Middle Florida Keys west of Channel 5 Bridge.  A Tropical Storm Warning is in effect for the Dry Tortugas.  A Tropical Storm Warning is in effect for the portion of the coast from Rio Lagartos to Cabo Catoche, Mexico. A Tropical Storm Warning was also in effect for the Cuban provinces of Artemisa, Pinar del Rio and Isle of Youth.

A Tropical Storm Watch is in effect for Lake Okeechobee.  A Tropical Storm Watch is in effect for the portion of the coast from the Palm Beach/Martin County Line, Florida to Savannah River, Georgia.

Tropical Storm Helene strengthened on Tuesday afternoon.  The center of Helene’s circulation was near NOAA buoy 42056.  The buoy measured a surface pressure of 996 mb.

The inner end of a rainband started to wrap around the center of Tropical Storm Helene.  More thunderstorms formed near the center of Helene’s circulation.  More thunderstorms also developed in bands in the western side of Tropical Storm Helene.  Storms near the center of Helene’s circulation generated more upper level divergence that pumped mass away from the tropical storm.  The removal of more mass caused the surface pressure to decrease.

Even though Tropical Storm Helene was strengthening, the distribution of wind speeds around Helene was still asymmetrical.  Winds to tropical storm force extended out 175 miles (280 km) in the eastern side of Tropical Storm Helene.  The winds in the western side of Helene’s circulation were blowing at less than tropical storm force.

Tropical Storm Helene will move through an environment favorable for intensification during the next 24 hours.  Helene will move over water where the Sea Surface Temperatures are near 30°C.  It will move under the middle of an upper level ridge over the western Gulf of Mexico and the northwestern Caribbean Sea.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Tropical Storm Helene will intensify during the next 24 hours. Helene is likely to strengthen to a hurricane by Wednesday morning.  Helene could intensify rapidly after an inner core with an eye and an eyewall develops.

Tropical Storm Helene will move around the western end of a high pressure system over the western Atlantic Ocean.  The high pressure system will steer Helene toward the northwest during the next 24 hours.  On its anticipated track, Tropical Storm Helene will be near the northeastern tip of the Yucatan Peninsula on Wednesday morning.  Helene will move over the eastern Gulf of Mexico on Wednesday.  Helene is likely to approach northern Florida on Thursday afternoon.

Tropical Storm Helene is likely to be a hurricane when it reaches the northeastern tip of the Yucatan Peninsula.  Helene will bring strong winds and heavy rain to the northeastern part of the Yucatan Peninsula and to western Cuba.

Tropical Storm Helene could be a major hurricane when it approaches northern Florida on Thursday.  Helene will bring strong winds and heavy rain to northern Florida.  Heavy rain is likely to cause floods.  Helene could also cause a storm surge of up to 15 feet (4.5 meters) along portions of the west coast of Florida.

A Storm Surge Warning is in effect for the portion of the coast from Indian Pass to Flamingo, Florida.  The Storm Surge Warning includes Tampa Bay and Charlotte Harbor.