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Potential Tropical Cyclone Fifteen Prompts Watch for Belize

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A disturbance over the Northwest Caribbean Sea designated as Potential Tropical Cyclone Fifteen prompted the issuance of a Tropical Storm Watch for a portion of the coast of Belize and the Yucatan Peninsula.  At 8:00 p.m. EDT on Friday the center of Potential Tropical Cyclone Fifteen was located at latitude 17.5°N and longitude 85.7°W which put the center about 165 miles (265 km) east of Belize City, Belize.  Potential Tropical Cyclone Fifteen was moving toward the west-northwest at 7 m.p.h. (11 km/h).  The maximum sustained wind speed was 35 m.p.h. (55 km/h) and there were wind gusts to 45 m.p.h. (75 km/h).  The minimum surface pressure was 1005 mb.

A Tropical Storm Watch is in effect for the portion of the coast from Belize, City, Belize to Tulum, Mexico.

A tropical disturbance over the Northwest Caribbean Sea exhibited more organization on Friday evening and the U.S. National Hurricane Center designated the system as Potential Tropical Cyclone Fifteen.  The tropical disturbance had a large counterclockwise circulation, but there was not a well defined low level center of circulation.  Thunderstorms were occurring in bands in the eastern and northern parts of the tropical disturbance.  Bands in the southern and western parts of the disturbance consisted primarily of showers and lower clouds.

Potential Tropical Cyclone Fifteen will move through an environment somewhat favorable for the formation of a tropical cyclone during the next 24 hours.  The tropical disturbance 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 moderate vertical wind shear.  The wind shear will inhibit the formation of a tropical cyclone.  However, the wind shear may not be enough to prevent the formation of a tropical cyclone.  Potential Tropical Cyclone Fifteen could strengthen to a tropical storm on Saturday.

Potential Tropical Cyclone Fifteen will move around the southern side of a high pressure system over the eastern United States.  The high pressure system will steer the tropical disturbance toward the west-northwest during the nest 24 hours.  On its anticipated track, Potential Tropical Cyclone Fifteen will make landfall on the coast of Belize on Saturday afternoon.

Potential Tropical Cyclone Fifteen will bring gusty winds and heavy rain to parts of Belize and the Yucatan Peninsula.  Heavy rain is likely to cause flash floods in some locations.

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.

Tropical Storm Helene Forms Over Northwest Caribbean Sea

Tropical Storm Helene formed over the Northwestern Caribbean Sea on Tuesday.  At 2:00 p.m. EDT on Tuesday the center of Tropical Storm Helene was located at latitude 19.4°N and longitude 84.5°W which put the center about 175 miles (280 km) south of the western tip of Cuba.  Helene was moving toward the west-northwest at 12 m.p.h. (19 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 999 mb.

A Hurricane Watch is in effect for the portion of the coast from Indian Pass to Englewood, Florida.  The Hurricane Watch includes Tampa Bay.  A Hurricane Watch is in effect for the portion of the coast from Cabo Catoche to Tulum, Mexico.  The Hurricane Watch includes Cancun and Cozumel.  A Hurricane Watch is also in effect for the Cuban province of Pinar del Rio.

A Tropical Storm Warning is in effect for the Lower Florida Keys west of Seven Mile 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 Tulum, Mexico.  The Tropical Storm Warning includes Cancun and Cozumel.  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 Middle Florida Keys from Seven Mile Bridge to Channel 5 Bridge.  A Tropical Storm Watch is in effect for the portion of the coast from Englewood to Flamingo, Florida.  A Tropical Storm Watch is in effect for the portion of the coast from the Walton/Bay County Line to Indian Pass, Florida.

A U.S. Air Force Reserve Hurricane Hunter reconnaissance aircraft found that a low pressure system previously designated as Potential Tropical Cyclone Nine had strengthened over the Northwestern Caribbean Sea on Tuesday morning.  Based on data collected by the reconnaissance flight, the U.S. National Hurricane Center designated the system as Tropical Storm Helene.

The circulation around Tropical Storm Helene exhibited more organization on Tuesday.  The reconnaissance plane found a well defined low level center of circulation.  Even though the circulation around Helene was more organized, the distribution of thunderstorms was still asymmetrical.  Thunderstorms were occurring in bands in the eastern side of Tropical Storm Helene.  Bands in the western side of Helene consisted primarily of showers and lower clouds.  More thunderstorms were starting to develop in the bands in the western side of Helene’s circulation.  Storms near the center of Helene began to generate upper level divergence that pumped mass away from the tropical storm.

The distribution of wind speeds in Tropical Storm Helene was also asymmetrical.  Winds to tropical storm force extended out 140 miles (225 km) in the eastern side of Helene’s circulation.  The winds in the western side of Tropical Storm Helene 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.

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 coast of Florida.

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

Watches and Warnings Issued for Yucatan and Western Cuba

A risk posed by a low pressure system over the Northwestern Caribbean Sea prompted the issuance of Watches and Warnings for Yucatan and western Cuba on Monday morning.  The low pressure system was designated as Potential Tropical Cyclone Nine by the U.S. National Hurricane Center.  At 11:00 a.m. EDT on Monday the center of Potential Tropical Cyclone Nine was located at latitude 17.6°N and longitude 82.0°W which put the center about 350 miles (565 km) south-southeast of the western tip of Cuba.  Potential Tropical Cyclone Nine was moving toward the north at 6 m.p.h. (10 km/h).  The maximum sustained wind speed was 30 m.p.h. (50 km/h) and there were wind gusts to 40 m.p.h. (65 km/h).  The minimum surface pressure was 1004 mb.

A Hurricane Watch is in effect for the portion of the coast from Cabo Catoche to Tulum, Mexico.  The Hurricane Watch includes Cancun and Cozumel.  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 Rio Lagartos to Tulum, Mexico.  The Tropical Storm Warning includes Cancun and Cozumel.  A Tropical Storm Warning was also in effect for the Cuban provinces of Artemisa, Pinar del Rio and Isle of Youth.

The U.S. National Hurricane Center changed the designation of former Invest 97L to Potential Tropical Cyclone Nine on Monday morning.  The low pressure system still had a large asymmetrical circulation.  There were not many thunderstorms near the center of Potential Tropical Cyclone Nine.  Thunderstorms were occurring in bands developed in the eastern side of the low pressure system.  Bands in the western side of Potential Tropical Cyclone Nine consisted primarily of showers and lower clouds.

Potential Tropical Cyclone Nine will move through an environment favorable for the formation of a tropical cyclone during the next 24 hours.  The low pressure system will be 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 Caribbean Sea.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Potential Tropical Cyclone Nine is likely to form into a tropical depression or a tropical storm during the next 24 hours.

A reconnaissance plane is on its way to investigate Potential Tropical Cyclone Nine.

Potential Tropical Cyclone Nine will move around the western end of a high pressure system over the western Atlantic Ocean.  The high pressure system will steer Potential Tropical Cyclone Nine toward the north-northwest during the next 24 hours.  On its anticipated track, Potential Tropical Cyclone Nine will move approach Yucatan and the western end of Cuba on Tuesday afternoon.  Potential Tropical Cyclone Nine is likely to move over the Gulf of Mexico on Wednesday.

Potential Tropical Cyclone Nine could be a hurricane when it reaches Yucatan and western Cuba.  It will bring strong winds and locally heavy rain.  Heavy rain could cause flash floods in some locations.

Potential Tropical Cyclone Nine is likely to affect Florida on Thursday.  It is likely to be a hurricane when it reaches Florida.

Hurricane Beryl Approaches the Yucatan

Hurricane Beryl was approaching the Yucatan Peninsula on Thursday evening.  At 11:00 p.m. EDT on Thursday the center of Hurricane Beryl was located at latitude 19.6°N and longitude 85.5°W which put the center about 135 miles (220 km) east-southeast of Tulum, Mexico.  Beryl was moving toward the west at 16 m.p.h. (26 km/h).  The maximum sustained wind speed was 115 m.p.h. (185 km/h) and there were wind gusts to 135 m.p.h. (220 km/h).  The minimum surface pressure was 964 mb.

A Hurricane Warning was in effect for the portion of the coast from Puerto Costa Maya to Cancun, Mexico.  A Hurricane Warning was also in effect for Cozumel.

A Hurricane Watch was in effect for portion of the coast from Cabo Catoche to Cancun, Mexico.  A Hurricane Watch was also in effect for the portion of the coast from Puerto Costa Maya to Chetumal, Mexico.

A Tropical Storm Warning was in effect for the portion of the coast from Campeche to Cancun, Mexico.   A Tropical Storm Warning was also in effect for the portion of the coast from Puerto Costa Maya to Chetumal, Mexico.

A Tropical Storm Watch was in effect for the portion of the coast from Chetumal, Mexico to Belize City, Belize.

After weakening earlier on Thursday, a U.S. Air Force Reserve Hurricane Hunter aircraft found that Hurricane Beryl had strengthened back to a major hurricane on Thursday evening.  The reconnaissance plane found an eye with a diameter of 14 miles (22 km) was at the center of Beryl’s circulation.  The eye was surrounded by a broken ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of thunderstorms were revolving around the core of Hurricane Beryl.  Storms near the core of Beryl’s circulation generated more upper level divergence that pumped mass away from the hurricane.  The increase in upper level divergence caused the surface pressure to decrease again.

The size of the circulation around Hurricane Beryl decreased on Thursday.  Winds to hurricane force extended out 30 miles (50 km) from the center of Beryl’s circulation.  Winds to tropical storm force extended out 140 miles (225 km) from the center of Hurricane Beryl.

The Hurricane Intensity Index (HII) for Hurricane Beryl was 20.6.  The Hurricane Size Index (HSI) was 9.8 and the Hurricane Wind Intensity Size Index (HWISI) was 30.4.  Hurricane Beryl was similar in size and intensity to Hurricane Sally when Sally hit Alabama in 2020.

Hurricane Beryl will move through an environment that will be somewhat favorable for intensification during the next few hours.  Beryl will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the southeastern part of an upper level low over Gulf of Mexico.  The upper level low will produce westerly winds that will blow toward the top of Beryl’s circulation.  Those winds will cause some vertical wind shear.  The wind shear will inhibit intensification, but the shear may not be enough to prevent strengthening  Hurricane Beryl could intensify during the next few hours.

Hurricane Beryl will move around the southern side of a high pressure system that extends over the western Atlantic Ocean and southeastern U.S.  The high pressure system will steer Beryl toward the west-northwest during the next 24 hours.  On its anticipated track, the center of Hurricane Beryl will reach the Yucatan Peninsula on Friday morning.

Hurricane Beryl will be able to cause regional major damage when it reaches the Yucatan Peninsula.  Beryl will bring strong winds and heavy rain to the Yucatan.  Widespread electricity outages are likely.  Heavy rain is likely to cause floods in some locations.  Hurricane Beryl could also cause a storm surge of up to 10 feet (3 meters) where the wind blows the water toward the coast.

 

Tropical Storm Idalia Causes Hurricane Warning for West Coast of Florida

The imminent threat posed by Tropical Storm Idalia caused the issuance of a Hurricane Warning for the west coast of Florida on Monday morning. At 11:00 a.m. EDT on Monday the center of Tropical Storm Idalia was located at latitude 20.8°N and longitude 85.2°W which put it about 80 miles (130 km) south-southwest of the western end of Cuba. Idalia was moving toward the north at 8 m.p.h. (13 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 990 mb.

A Hurricane Warning was in effect for the portion of the coast from the Ochlockonee River to the middle of Longboat Key, Florida. The Hurricane Warning included Tampa Bay. A Hurricane Warning was also in effect for the Cuban Province of Pinar del Rio. A Hurricane Watch was in effect for the portions of the coast from Englewood to the middle of Longboat Key, Florida and from the Ochlockonee River to Indian Pass, Florida. A Tropical Storm Warning was in effect for the portion of the coast from Chokoloskee to the middle of Longboat Key, Florida. A Tropical Storm Warning was also in effect for the portion of the coast from the Ochlockonee River to Indian Pass, Florida. A Tropical Storm Warning was in effect for the Dry Tortugas. A Tropical Storm Warning was in effect for the portion of the coast from Tulum to Rio Lagartos, Mexico. The Tropical Storm Warning included Cozumel. A Tropical Storm Warning was also in effect for the Cuban Province. of Isle of Youth. A Tropical Storm Watch was in effect for the Lower Florida Keys west of Seven Mile Bridge. A Tropical Storm Watch was also in effect for the portion of the coast from Sebastian Inlet, Florida to Altamaha Sound, Georgia.

Tropical Storm Idalai strengthened gradually on Monday morning. Winds to tropical storm force extended out 100 miles (160 km) from the center of Idalia’s circulation. Even though Tropical Storm Idalia was stronger, the distribution of thunderstorms was asymmetrical. Most of the thunderstorms in Idalia were in bands in the southern and eastern parts of the circulation. Bands north and west of the center of circulation consisted primarily of showers and lower clouds. Tropical Storm Idalia was under the eastern part of an upper level ridge over the Yucatan Peninsula. The ridge was producing northeasterly winds that were blowing toward the top of Idalia’s circulation. Those winds were causing vertical wind shear and the wind shear was causing the asymmetrical distribution of thunderstorms.

Tropical Storm Idalia will move into an environment that will become more favorable for intensification during the next 24 hours. Idalia will be over water where the Sea Surface Temperatures are near 30°C. It will move into a region between the upper level ridge over the Yucatan Peninsula and an upper level low over the northern Gulf of Mexico. The upper level winds are weaker between the ridge and the low and there will be less vertical wind shear. Tropical Storm Idalia will intensify to a hurricane during the next 24 hours. Idalia could intensify rapidly when the upper level winds weaken. Idalia could strengthen to a major hurricane on Tuesday.

Tropical Storm Idalia will move around the western end of high pressure system over the western Atlantic Ocean. The high pressure system will steer Idalia toward the north during the next 24 hours. The center of Idalia will pass near the western end of Cuba in a few hours. On its anticipated track Tropical Storm Idalia will move over the eastern Gulf of Mexico on Monday night. An upper level trough over the eastern U.S. will turn Idalia toward the northeast later on Tuesday. Idalia is likely to make landfall on the west coast of Florida on Wednesday morning. Idalia could make landfall as a major hurricane.

Tropical Storm Idalia will drop heavy rain over parts of the northeastern Yucatan Peninsula and western Cuba. Heavy rain could cause flash floods in some locations.

Tropical Storm Idalia could be be a major hurricane when it reaches the west coast of Florida. Idalia is likely to make landfall in an area where high storm surges can occur. Idalia could cause a storm surge of up to 12 feet (3.5 meters) near where the center makes landfall. A Storm Surge Warning has been issued for the portion of the coast from Englewood to Ocholockonee River, Florida. The Storm Surge Warning includes Tampa Bay. Idalia will bring strong winds and heavy rain to parts of central and northern Florida. Widespread outages of electricity are likely. Heavy rain could cause flash floods in some locations.

Elsewhere, Hurricane Franklin rapidly intensified to Category 4 on the Saffir-Simpson Scale was over the Atlantic Ocean southwest of Bermuda. At 11:00 a.m. EDT on Monday the center of Hurricane Franklin was located at latitude 27.8°N and longitude 71.0°W which put it about 480 miles (770 km) southwest of Bermuda. Franklin was moving toward the north at 9 m.p.h. (15 km/h). The maximum sustained wind speed was 145 m.p.h. (230 km/h) and there were wind gusts to 170 m.p.h. (280 km/h). The minimum surface pressure was 937 mb. A Tropical Storm Watch was in effect for Bermuda.

Tropical Storm Idalia Prompts Hurricane Watch for West Coast of Florida

A risk posed by Tropical Storm Idalia prompted the issuance of a Hurricane Watch for part of the west coast of Florida. At 5:00 p.m. EDT on Sunday the center of Tropical Storm Idalia was located at latitude 20.1°N and longitude 85.5°W which put it about 95 miles (155 km) east-southeast of Cozumel. Idalia was moving toward the northeast at 3 m.p.h. (5 km/h). The maximum sustained wind speed was 40 m.p.h. (60 km/h) and there were wind gusts to 50 m.p.h. (80 km/h). The minimum surface pressure was 995 mb.

A Hurricane Watch was in effect for the portion of the coast from Englewood to Indian Pass, Florida. The Hurricane Watch included Tampa Bay. A Tropical Storm Warning was in effect for the portion of the coast from Tulum to Rio Lagartos, Mexico. The Tropical Storm Warning included Cozumel. A Tropical Storm Warning was also in effect for the Cuban Province. of Pinar del Rio. A Tropical Storm Watch was in effect for the portion of the coast from Englewood to Chokoloskee, Florida. A Tropical Storm Watch was also in effect for the Dry Tortugas. A Tropical Storm Watch was in effect for the Isle of Youth.

Tropical Storm Idalia did not change a lot on Sunday afternoon. A few more thunderstorms developed near the low level center of circulation. The low level center of circulation was meandering around inside of a larger counterclockwise rotation over the Northwestern Caribbean Sea. There were bands of showers and thunderstorms in the larger counterclockwise circulation. The thunderstorms in the larger circulation generated upper level divergence that pumped mass away from the tropical storm. Winds to tropical storm force extended out 70 miles (110 km) from the low level center of circulation.

Tropical Storm Idalia will be in an environment mostly favorable for intensification during the next 24 hours. Idalia will be over water where the Sea Surface Temperatures are near 30°C. It will be under an upper level ridge over the Yucatan Channel. The winds are weak in the upper level ridge and there will be little vertical wind shear. However, much of the air moving around the western side of Tropical Storm Idalia will pass over the northeastern Yucatan Peninsula. Some of the air in the eastern side of the Idalia will pass over western Cuba. The flow of air over land will inhibit intensification, but it probably will not prevent intensification. Tropical Storm Idalia could intensify slowly during the next 12 hours. Idalia could intensify more quickly on Monday when it moves over the eastern Gulf of Mexico. Tropical Storm Idalia is forecast to strengthen to a hurricane by Monday night

.Tropical Storm Idalia will be in a region where the steering currents are weak during the next 12 hours. Idalia may not move much during that time period. A high pressure system over the western Atlantic Ocean will start to steer Idalia toward the north on Monday. On its anticipated track Tropical Storm Idalia will move over the eastern Gulf of Mexico on Monday. An upper level trough over the eastern U.S. could start to turn Idalia toward the northeast later on Tuesday.

Tropical Storm Idalia will drop heavy rain over parts of the northeastern Yucatan Peninsula and western Cuba. Heavy rain could cause flash floods in some locations.

Tropical Storm Idalia is forecast to be a hurricane when it reaches the west coast of Florida. Idalia is likely to make landfall in an area where high storm surges can occur. Idalia could cause a storm surge of up to 11 feet (3.3 meters) near where the center makes landfall. A Storm Surge Watch has been issued for the portion of the coast from Chokoloskee to Indian Pass, Florida. The Storm Surge Watch includes Tampa Bay.

Elsewhere, Hurricane Franklin was over the Atlantic Ocean southwest of Bermuda. At 5:00 p.m. EDT on Sunday the center of Hurricane Franklin was located at latitude 25.9°N and longitude 70.0°W which put it about 535 miles (855 km) southwest of Bermuda. Franklin was moving toward the north-northwest at 8 m.p.h. (13 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 970 mb.

TD 10 Strengthens to Tropical Storm Idalia

Former Tropical Depression Ten strengthened to Tropical Storm Idalia over the Northwestern Caribbean Sea east of the Yucatan Peninsula on Sunday morning. At 11:00 a.m. EDT on Sunday the center of Tropical Storm Idalia was located at latitude 19.9°N and longitude 85.8°W which put it about 80 miles (130 km) east-southeast of Cozumel. Idalia was moving toward the east at 2 m.p.h. (3 km/h). The maximum sustained wind speed was 40 m.p.h. (60 km/h) and there were wind gusts to 50 m.p.h. (80 km/h). The minimum surface pressure was 1001 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Tulum to Rio Lagartos, Mexico. The Tropical Storm Warning included Cozumel. A Tropical Storm Warning was also in effect for the Cuban Province. of Pinar del Rio. A Tropical Storm Watch was in effect for the Isle of Youth.

A NOAA research aircraft found sustained tropical storm force winds in former Tropical Depression Ten on Sunday morning and the U.S. National Hurricane Center upgraded the system to Tropical Storm Idalia. There was a low level center of circulation meandering around inside of a larger counterclockwise rotation over the Northwestern Caribbean Sea. Thunderstorm activity fluctuated near the low level center of circulation. There were few thunderstorms currently near the low level center. There were bands of showers and thunderstorms in the larger counterclockwise circulation. The thunderstorms in the larger circulation generated upper level divergence that pumped mass away from the tropical storm. Winds to tropical storm force extended out 35 miles (50 km) from the low level center of circulation.

Tropical Storm Idalia will be in an environment mostly favorable for intensification during the next 24 hours. The tropical depression will be over water where the Sea Surface Temperatures are near 30°C. It will be under an upper level ridge over the Yucatan Channel. The winds are weak in the upper level ridge and there will be little vertical wind shear. However, much of the air moving around the western side of Tropical Storm Idalia will pass over the northeastern Yucatan Peninsula. Some of the air in the eastern side of the Idalia will pass over western Cuba. The flow of air over land will inhibit intensification, but it probably will not prevent intensification. Tropical Storm Idalia could intensify slowly on Sunday. Idalia could intensify to a hurricane early next week when it moves over the eastern Gulf of Mexico.

Tropical Storm Idalia will be in a region where the steering currents are weak during the next 12 hours. Idalia may not move much during the rest of Sunday. A high pressure system over the western Atlantic Ocean will start to steer Idalia toward the north on Monday. On its anticipated track Tropical Storm Idalia Ten will move over the eastern Gulf of Mexico on Monday.

Tropical Storm Idalia will drop heavy rain over parts of the northeastern Yucatan Peninsula and western Cuba. Heavy rain could cause flash floods in some locations.

Elsewhere, Hurricane Franklin continued to strengthen over the Atlantic Ocean south-southwest of Bermuda. At 11:00 a.m. EDT on Sunday the center of Hurricane Franklin was located at latitude 25.1°N and longitude 69.3°W which put it about 565 miles (905 km) south-southwest of Bermuda. Franklin was moving toward the north-northwest at 8 m.p.h. (13 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 971 mb.

Tropical Depression Ten Forms over the Yucatan Channel

Tropical Depression Ten formed over the Yucatan Channel on Saturday afternoon. At 5:00 p.m. EDT on Saturday the center of Tropical Depression Ten was located at latitude 21.1°N and longitude 86.1°W which put it about 65 miles (105 km) northeast of Cozumel. The tropical depression was stationary. The maximum sustained wind speed was 30 m.p.h. (50 km/h) and there were wind gusts to 40 m.p.h. (65 km/h). The minimum surface pressure was 1006 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Tulum to Rio Lagartos, Mexico. The Tropical Storm Warning included Cozumel. A Tropical Storm Warning was also in effect for the Cuban Provinces of Pinar del Rio and Isle of Youth.

A low pressure system over the Yucatan Peninsula exhibited more organization on Saturday afternoon and the U.S. National Hurricane Center designated it as Tropical Depression Ten. The circulation around Tropical Depression Ten was still organizing. There was a weak center of circulation at the surface. Radar images from western Cuba indicated that there was a stronger circulation in the middle troposphere. Bands of showers and thunderstorms were revolving around the center of circulation. Storms near the center started to generate upper level divergence that pumped mass away from the tropical depression.

Tropical Depression Ten will be in an environment mostly favorable for intensification during the next 24 hours. The tropical depression will be over water where the Sea Surface Temperatures are near 30°C. It will be under an upper level ridge over the Yucatan Channel. The winds are weak in the upper level ridge and there will be little vertical wind shear. However, much of the air moving around the western side of Tropical Depression Ten will pass over the northeastern Yucatan Peninsula. Some of the air in the western side of the tropical depression will pass over western Cuba. The flow of air over land will inhibit intensification, but it probably will not prevent intensification. Tropical Depression Ten could intensify slowly on Sunday.

Tropical Depression Ten will be in a region where the steering currents are weak during the next 24 hours. Tropical Depression Ten may not move much on Sunday. A high pressure system over the western Atlantic Ocean will start to steer the tropical depression toward the north early next week. Tropical Depression Ten is likely to strengthen when it moves over the eastern Gulf of Mexico.

Tropical Depression Ten will drop heavy rain over parts of the northeastern Yucatan Peninsula and western Cuba. Heavy rain could cause flash floods in some locations.

Elsewhere, Hurricane Franklin strengthened over the Atlantic Ocean south-southwest of Bermuda. At 5:00 p.m. EDT on Saturday the center of Hurricane Franklin was located at latitude 23.8°N and longitude 67.5°W which put it about 610 miles (980 km) south-southwest of Bermuda. Franklin was moving toward the north-northwest at 8 m.p.h. (13 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 982 mb.