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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.

Arlene Weakens to a Tropical Depression

Former Tropical Storm Arlene weakened to a tropical depression northwest of Cuba on Saturday. At 11:00 a.m. EDT on Saturday the center of Tropical Depression Arlene was located at latitude 24.2°N and longitude 85.1°W which put it about 145 miles (230 km) west-southwest of Dry Tortugas. Arlene was moving toward the south-southeast 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 1000 mb.

Former Tropical Storm Arlene weakened to a tropical depression over the Gulf of Mexico northwest of Cuba on Saturday morning. An upper level trough over the eastern Gulf of Mexico produced westerly winds that blew across the top of Arlene’s circulation. Those winds caused strong vertical wind shear. In addition, drier air was pulled into the circulation around former Tropical Storm Arlene. The combination of strong vertical wind shear and drier air caused many of the thunderstorms in Arlene’s circulation to weaken. Most of the bands revolving around the center of Tropical Depression Arlene consisted primarily of showers and lower clouds. There were still a few thunderstorms in bands on the eastern side of Arlene.

Tropical Depression Arlene will move through an environment that will be unfavorable for intensification during the next 24 hours. Arlene will move over water where the Sea Surface Temperatures are near 27˚C.’ However, the southern part of the upper level trough over the eastern Gulf of Mexico will continue to produce westerly winds that will blow toward the top of Arlene’s circulation. Those winds will keep causing the strong vertical wind shear. The drier air in the circulation around Arlene will continue to inhibit the formation of thunderstorms. The strong vertical wind shear and the drier air are likely to cause Tropical Depression Arlene to continue to weaken during the next 24 hours.

Tropical Depression Arlene will be south of a large surface high pressure system over the eastern U.S. The high pressure system will move south on Saturday and it will push Arlene toward the east-southeast. On its anticipated track Tropical Depression Arlene will move north of Cuba by Saturday evening.

Tropical Depression Two Strengthens to Tropical Storm Arlene

Former Tropical Depression Two strengthened to Tropical Storm Arlene over the eastern Gulf of Mexico on Friday afternoon. At 2:00 p.m. EDT on Friday the center of Tropical Storm Arlene was located at latitude 26.7°N and longitude 86.2°W which put it about 265 miles (425 km) west of Ft. Meyers, Florida. Arlene was moving toward the south at 5 m.p.h. (8 km/h). The maximum sustained wind speed was 40 m.p.h. (65 km/h) and there were wind gusts to 50 m.p.h. (80 km/h). The minimum surface pressure was 1002 mb.

An Air Force Reserve Hurricane Hunter reconnaissance plane found sustained wind speeds to tropical storm force in the northeastern part of former Tropical Depression Two on Thursday afternoon and the National Hurricane Center upgraded the system to Tropical Storm Arlene. The distribution of thunderstorms in Tropical Storm Arlene was asymmetrical. Many of the thunderstorms were occurring in bands in the northeastern quadrant of Arlene’s circulation. Bands in the other parts of the tropical storm consisted primarily of showers and lower clouds. Storms near the center of Arlene generated upper level divergence that pumped mass away to the northeast of the tropical storm. Winds to tropical storm force extended out 65 miles (105 km) in the northeastern quadrant of Tropical Storm Arlene. The winds in the other parts of Arlene were blowing at less than tropical storm force.

Tropical Storm Arlene will move into an environment that will become unfavorable for intensification during the next 24 hours. Arlene will move over water where the Sea Surface Temperatures are near 27˚C. However, Tropical Storm Arlene will move under the southern part of an upper level trough over the eastern Gulf of Mexico. The upper level trough will produce westerly winds that will blow toward the top of Arlene’s circulation. Those winds will cause the vertical wind shear to increase. Drier air to the north and west of Tropical Storm Arlene will continue to inhibit the formation of thunderstorms in the western part of Arlene. The vertical wind shear and the drier air are likely to cause Tropical Storm Arlene to start to weaken during the next 24 hours.

Tropical Storm Arlene will be south of a large surface high pressure system over the eastern U.S. The high pressure system will move south on Friday and it will push Tropical Storm Arlene toward the south. On its anticipated track Tropical Storm Arlene will stay west of Florida. Arlene could move near the western end of Cuba by Saturday evening.

Tropical Depression Two Forms over Northeast Gulf of Mexico

Tropical Depression Two formed over the northeast Gulf of Mexico on Thursday afternoon. At 5:00 p.m. EDT on Thursday the center of Tropical Depression Two was located at latitude 28.0°N and longitude 86.6°W which put it about 250 miles (400 km) west of St. Petersburg, Florida. The tropical depression was moving toward the west-northwest at 2 m.p.h. (3 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 1007 mb.

Surface observations from buoys in the Gulf of Mexico and data acquired by a U.S. Air Force Hurricane Hunter reconnaissance plane indicated that a low pressure system over the northeast Gulf of Mexico had formed into a tropical depression on Thursday afternoon. Tropical Depression Two had a broad low level center of circulation. The distribution of thunderstorms in the tropical depression was asymmetrical. Many of the thunderstorms were occurring in bands in the eastern and northern part of Tropical Depression Two. Bands in the western and southern parts of the tropical depression consisted primarily of showers and lower clouds.

The surface center of Tropical Depression Two was slightly east of the axis of an upper level trough over the eastern Gulf of Mexico. The upper level trough was producing southwesterly winds that were blowing toward the top of the tropical depression. Those winds were causing vertical wind shear and the wind shear was contributing to the asymmetrical distribution of thunderstorms. In addition, drier air was north and west of Tropical Depression Two. The drier air was inhibiting the development of thunderstorms in the western part of the depression’s circulation.

Tropical Depression Two will be in an environment only marginally favorable for intensification during the next 24 hours. The tropical depression will be over water where the Sea Surface Temperatures are near 27˚C. However, the upper level trough over the eastern Gulf of Mexico will continue to cause vertical wind shear. The drier air will also continue to inhibit the formation of thunderstorms in the western part of the tropical depression. If the vertical wind shear does not get any stronger, then the tropical depression could strengthen to a tropical storm during the next 24 hours. On the other hand, if the wind shear increases, then the tropical depression could start to weaken.

Tropical Depression Two will be south of a large surface high pressure system over the eastern U.S. The steering currents will be weak during the next 12 hours and the tropical depression may not move much. The high pressure system will move south on Friday and it will start to push Tropical Depression Two toward the south. On its anticipated track Tropical Depression Two will stay southwest of Florida. It could move near the western end of Cuba by Saturday night.

Hurricane Ian Moves Closer to Southwest Florida

Hurricane Ian moved closer to Southwest Florida on Tuesday night. At 11:00 p.m. EDT on Tuesday the center of Hurricane Ian was located at latitude 24.9°N and longitude 82.9°W which put it about 110 miles (175 km) southwest of Naples, Florida. Ian was moving toward the north-northeast at 10 m.p.h. (16 km/h). The maximum sustained wind speed was 120 m.p.h. (195 km/h) and there were wind gusts to 140 m.p.h. (225 km/h). The minimum surface pressure was 952 mb.

A Hurricane Warning was in effect for the portion of the coast from Chokoloskee to Anclote River, Florida. The Hurricane Warning included Tampa Bay. Tropical Storm Warnings were in effect for all of the Florida Keys. A Tropical Storm Warning was in effect for the portion of the coast from Flamingo to Chokoloskee, Florida. A Tropical Storm Warning was in effect for Lake Okeechobee. A Tropcial Storm Warning was in effect for the portion of the coast from Anclote River to Indian Pass, Florida. A Tropical Storm Warning was in effect for the portion of the coast from Flamingo, Florida to South Santee River, South Carolina. Tropical Storm Warnings were also in effect for the Cuban provinces of La Habana, Mayabeque and Matanzas. Tropical Storm Warnings were in effect for Bimini and Grand Bahama Island.

Hurricane Ian appeared to go through a quick eyewall replacement cycle on Tuesday evening. The original eye and eyewall quickly dissipated and a new larger eye was evident on satellite and radar images. The new eye had a diameter of 35 miles (55 km). The new eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Hurricane Ian’s circulation. Storms near the core generated upper level divergence that pumped mass away to the north and east of the hurricane.

The quick eyewall replacement cycle temporarily interrupted the intensification of Hurricane Ian, but it also caused the circulation around Ian to get bigger. Winds to hurricane force extended out 45 miles (75 km) from the center of Ian’s circulation. Winds to tropical storm force extended out 140 miles (225 km) from the center of circulation. The Hurricane Intensity Index (HII) was 22.1. The Hurricane Size Index (HSI) was 14.1 and the Hurricane Wind Intensity Size Index (HWISI) was 36.2. Hurricane Ian was capable of causing regional major damage.

Ian will move through an environment favorable for intensification during the next 12 hours. Ian will move over water where the Sea Surface Temperatures are near 29˚C. An upper level trough over the eastern U.S. will produce southwesterly winds that will blow toward the top of Ian’s circulation. Those winds will cause vertical wind shear. The wind shear is not likely to be strong enough during the next 12 hours to prevent intensification of Hurricane Ian. Ian could strengthen to Category 4 on the Saffir-Simpson Scale on Wednesday morning. The upper level winds are likely to get stronger on Wednesday afternoon which would cause the wind shear to increase. Hurricane Ian is likely to start to weaken slowly when the vertical wind shear increases.

The upper level trough over the eastern U.S. will steer Hurricane Ian toward the north-northeast on Wednesday. On its anticipated track the center of Hurricane Ian could make landfall on the coast of Southwest Florida between Ft. Myers and Sarasota on Wednesday afternoon. Ian could move slowly inland over Central Florida on Thursday. Hurricane Ian is likely to bring a prolonged period of strong gusty winds to Southwest Florida and to Central Florida. Ian will be capable of causing major damage. A prolonged period of strong winds could cause widespread electricity outages. Hurricane Ian will move slowly inland and 10 to 20 inches of rain could fall in some locations. Extensive fresh water flooding could occur in Central Florida. A storm surge of 8 to 12 feet (2.4 to 3.5 meters) could occur along the coast of Southwest Florida.

The center of Hurricane Ian could make landfall near the location where Hurricane Charley made landfall in 2004. Ian will not be as strong as Charley was in 2004, but Ian will be a lot bigger than Charley. Hurricane Ian could be stronger than Hurricane Irma was in 2017 when Irma hit Southwest Florida, but Ian will not be as big as Irma was.

Major Hurricane Ian Hits Western Cuba

Hurricane Ian rapidly intensified to a major hurricane before it hit western Cuba on Tuesday morning. At 8:00 a.m. EDT on Tuesday the center of Hurricane Ian was located at latitude 22.6°N and longitude 83.6°W which put it about 10 miles (15 km) north-northeast of Pinar del Rio, Cuba. Ian was moving toward the north-northwest at 12 m.p.h. (19 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 950 mb.

A Hurricane Warning was in effect for the portion of the coast from Bonita Beach to Anclote River, Florida. The Hurricane Warning included Tampa Bay. Hurricane Warnings were in effect for the Cuban provinces of Isla Juventud, Pinar del Rio and Artemisa. A Hurricane Watch was in effect for the portion of the coast from Anclote River to Suwannee River, Florida. Tropical Storm Warnings were in effect for the Lower Florida Keys from Channel 5e Bridge to Key West including the Dry Tortugas. A Tropical Storm Warning was in effect for the portion of the coast from Flamingo to Bonita Beach, Florida. A Tropical Storm Warning was in effect for Lake Okeechobee. A Tropcial Storm Warning was in effect for the portion of the coast from Anclote River to Suwannee River, Florida. A Tropical Storm Warning was in effect for the portion of the coast from Jupiter Inlet to the Volusia/Brevard County Line, Florida. Tropical Storm Warnings were also in effect for the Cuban provinces of La Habana, Mayabeque and Matanzas. A Tropical Storm Watch was in effect for the portion of the coast from Suwannee River to Indian Pass, Florida. A Tropical Storm Watch was in effect for the portion of the coast from Deerfield Beach to Jupiter Inlet, Florida. A Tropical Storm Watch was in effect for the portion of the coast from the Volusia/Brevard County Line, Florida to Altamaha Sound, Georgia.

Hurricane Ian rapidly intensified to a major hurricane before making landfall in western Cuba on Tuesday morning. A circular eye with a diameter of 30 miles (50 km) was at the center of Ian’s circulation. The eye was surrounded by a ring of strong thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Hurricane Ian. Storms near the core generated upper level divergence that pumped mass away form the hurricane in all directions. The removal of large quantities of mass was allowing the surface pressure to decrease rapidly.

Winds to hurricane force extended out 35 miles (55 km) from the center of Hurricane Ian’s circulation. Winds to tropical storm force extended out 115 miles (185 km) from the center of circulation. The Hurricane Intensity Index (HII) was 23.6 The Hurricane Size Index (HSI) was 11.5 and the Hurricane Wind Intensity Size Index (HWISI) was 35.1. Hurricane Ian was very similar in size and intensity to Hurricane Harvey from 2017 and Hurricane Delta from 2020. Hurricane Ian was capable of causing regional major damage.

Hurricane Ian is not likely to spend enough time over western Cuba for Ian to weaken significantly. After the core of Hurricane Ian moves north of Cuba, Ian will move through an environment very favorable for intensification during the next 18 hours. Ian will move over water where the Sea Surface Temperatures are near 30˚C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Ian is likely to intensify to Category 4 on the Saffir-Simpson Scale by Wednesday. An upper level trough over the eastern U.S. will produce southwesterly winds that will blow toward the top of Ian’s circulation on Wednesday. Those winds will cause the vertical wind shear to increase. Hurricane Ian is likely to start to weaken slowly when the vertical wind shear increases.

Hurricane Ian will move around the western end of a high pressure system over the western Atlantic Ocean. The high pressure system will steer Ian toward the north during the next 18 hours. The upper level trough will steer Hurricane Ian more toward the north-northeast on Wednesday. On its anticipated track Hurricane Ian will move away from western Cuba. Weather conditions should gradually improve over western Cuba as Ian moves farther away. Hurricane Ian will be south-southwest of Tampa, Florida on Wednesday morning. The winds steering Ian could weaken later on Wednesday. Hurricane Ian could make landfall just south of Tampa, Florida on Wednesday evening. Ian could move very slowly inland over Central Florida on Thursday.

Hurricane Ian is likely to bring a prolonged period of strong gusty winds to the area around Tampa and St. Petersburg and to Central Florida. Ian will be capable of causing major damage. A prolonged period of strong winds could cause widespread electricity outages. Hurricane Ian will move slowly inland and 10 to 20 inches of rain could fall in some locations. Extensive fresh water flooding could occur in Central Florida. A storm surge of 5 to 10 feet (1.5 to 3 meters) could occur in parts of Tampa Bay. Storm surges will also occur along the coast of Southwest Florida.

Hurricane Ian Rapidly Intensifies to Cat. 2

Hurricane Ian rapidly intensified to Category 2 on the Saffir-Simpson Scale south of Cuba on Monday afternoon. At 5:00 p.m. EDT on Monday the center of Hurricane Ian was located at latitude 20.3°N and longitude 83.2°W which put it about 155 miles (250 km) southeast of the western tip of Cuba. Ian was moving toward the north-northwest at 13 m.p.h. (20 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 972 mb.

A Hurricane Warning was in effect for the portion of the coast from Englewood to Anclote River, Florida. The Hurricane Warning included Tampa Bay. Hurricane Warnings were in effect for the Cuban provinces of Isla Juventud, Pinar del Rio and Artemisa. Hurricane Watches were in effect for the portion of the coast from Anclote River to Suwannee River, Florida and from Englewood to Bonita Beach, Florida. Tropical Storm Warnings were in effect for the Lower Florida Keys from Seven Mile Bridge to Key West including the Dry Tortugas. A Tropical Storm Warning was in effect for the portion of the coast from Flamingo to Englewood, Florida. Tropical Storm Warnings were also in effect for the Cuban provinces of La Habana, Mayabeque and Matanzas. A Tropical Storm Watch was in effect for the Florida Keys from Seven Mile Bridge to Channel 5 Bridge. A Tropical Storm Watch was in effect for the portion of the coast from Suwannee River to Indian Pass, Florida. A Tropical Storm Watch was in effect for the portion of the coast from Jupiter Inlet, Florida to Altamaha Sound, Georgia. A Tropical Storm Watch was in effect for Lake Okeechobee.

Hurricane Ian rapidly intensified to Category 2 over the northwestern Caribbean Sea south of Cuba on Monday afternoon. A circular eye with a diameter of 13 miles (20 km) formed at the center of Ian’s circulation. The eye was surrounded by a nearly complete ring of thunderstorms and the strongest winds were occurring in that ring of storms. Bands of showers and thunderstorms were revolving around the core of Hurricane Ian. Storms near the core generated upper level divergence that pumped mass away form the hurricane in all directions. The removal of large quantities of mass was allowing the surface pressure to decrease rapidly.

The circulation around Hurricane Ian got bigger on Monday afternoon as Ian got stronger. Winds to hurricane force extended out 35 miles (55 km) from the center of Ian’s circulation. Winds to tropical storm force extended out 115 miles (185 km) from the center of circulation. The Hurricane Intensity Index (HII) was 16.5 The Hurricane Size Index (HSI) was 9.6 and the Hurricane Wind Intensity Size Index (HWISI) was 26.1. Hurricane Ian was capable of causing regional serious damage.

Hurricane Ian will move through an environment very favorable for intensification during the next 24 hours. Ian will move over water where the Sea Surface Temperatures are near 30˚C. It will move through a region where the upper level winds are weak and there will be little vertical wind shear. Hurricane Ian is likely to intensify rapidly during the next 24 hours. Ian is likely to intensify to a major hurricane during the next 18 hours. Hurricane Ian could intensify to Category 4 on the Saffir-Simpson Scale by Wednesday.

Hurricane Ian will move around the western end of a high pressure system over the western Atlantic Ocean. The high pressure system will steer Ian toward the north-northwest during the next 12 hours. Ian will move toward the north when it reaches the western end of the high pressure system. On its anticipated track the center of Hurricane Ian will be near western Cuba on Tuesday morning. Hurricane Ian could be a major hurricane when it approaches western Cuba. Ian will be southwest of Tampa, Florida on Wednesday afternoon.

Hurricane Ian will bring strong winds and locally heavy rain to western Cuba. Ian will be capable of causing regional major damage in western Cuba. Widespread outages of electricity are likely. Heavy rain could cause flash floods in some locations.

The steering currents could weaken on Wednesday. If the steering currents weaken, the center of Hurricane Ian could stall just west or northwest of the area around Tampa and St. Petersburg. The strongest winds will be in the eastern side of Ian’s circulation. The area around Tampa and St. Petersburg could experience a prolonged period of strong winds. When the center of Ian is west of Tampa, the winds will blow from the south in the area around Tampa. Southerly winds will push water into Tampa Bay and a storm surge of 5 to 10 feet (1.5 to 3.0 meters) is possible. If Hurricane Ian stalls, some locations in west central Florida could receive 10 to 20 inches (250 to 500 mm) of rain. Heavy rain is likely to cause fresh water flooding.