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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.

Hurricane Grace Hits Yucatan

Hurricane Grace hit the Yucatan Peninsula on Thursday morning. At 8:00 a.m. EDT on Thursday the center of Hurricane Grace was located at latitude 20.1°N and longitude 87.9°W which put it about 45 miles (65 km) south-southeast of Valladolid, Mexico. Grace was moving toward the west at 17 m.p.h. (28 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 989 mb.

A Hurricane Warning was in effect for the portion of the coast from Cancun to Punta Herrero, Mexico. The Hurricane Warning included Cozumel. A Hurricane Watch was in effect for the portion of the coast from Puerto Veracruz to Cabo Rojo,, Mexico. Tropical Storm Warnings were in effect for the portions of the coast from Cancun to Campeche, Mexico and from Punta Herrero to Puerto Costa Maya, Mexico. A Tropical Storm Watch was in effect for the portion of the coast from Cabo Rojo to Puerto de Altamira, Mexico. Tropical Storm Watches were also in effect for the Cuban provinces of Isla de la Juventud and Pinar del Rio.

The center of Hurricane Grace made landfall on the east coast of the Yucatan Peninsula southeast of Tulum on Thursday morning. The maximum sustained wind speed was 80 m.p.h. (130 km/h) at the time of landfall. Winds to hurricane force extended out 35 miles (55 km) from the center of Hurricane Grace. Winds to tropical storm force extended out 140 miles (220 km) from the center of circulation. Grace will produce strong gusty winds over the Yucatan. It will also drop heavy rain and flash floods are likely to occur. Hurricane Grace will weaken gradually back to a tropical storm while it moves across the Yucatan.

Hurricane Grace will move over the southwestern Gulf of Mexico on Thursday night. Grace will move into an environment favorable for intensification when it moves over the Gulf of Mexico. Grace will move over water where the Sea Surface Temperatures are near 30°C. It will move into a region where the upper level winds are weak and there will be little vertical wind shear. Grace is likely to intensify back to a hurricane on Friday.

Hurricane Grace will move south of a subtropical high pressure system that extends over the Gulf of Mexico. The high will steer Grace toward the west during the next several days. On its anticipated track Hurricane Grace will move across the Yucatan Peninsula on Thursday. Grace will move over the southwestern Gulf of Mexico on Thursday night. Hurricane Grace could approach the coast of Mexico between Veracruz and Tampico on Friday night.

Elsewhere, former Tropical Storm Fred was dropping heavy rain over parts of the northeastern U.S. and Tropical Storm Henri was moving west toward the east coast of the U.S.

At 5:00 a.m. EDT on Thursday the center of former Tropical Storm Fred was located at latitude 42.0°N and longitude 76.0°W which put it about 15 miles (25 km) south of Binghamton, New York. Fred was moving toward the east-northeast at 17 m.p.h. (28 km/h). The maximum sustained wind speed was 25 m.p.h. (40 km/h) and there were wind gusts to 35 m.p.h. (55 km/h). The minimum surface pressure was 1011 mb. Flood Watches and Flash Flood Watches were in effect for parts of the northeastern U.S.

At 5:00 a.m. EDT on Thursday the center of Tropical Storm Henri was located at latitude 29.5°N and longitude 69.5°W which put it about 525 miles (845 km) southeast of Cape Hatteras, North Carolina. Henri was moving toward the west at 9 m.p.h. (15 km/h). The maximum sustained wind speed was 70 m.p.h. (110 km/h) and there were wind gusts to 85 m.p.h. (135 km/h). The minimum surface pressure was 995 mb.

Delta Rapidly Intensifies to a Major Hurricane

Hurricane Delta rapidly intensified into a major hurricane over the Northwestern Caribbean Sea on Tuesday morning.  At 11:00 a.m. EDT on Tuesday the center of Hurricane Delta was located at latitude 18.2°N and longitude 82.6°W which put it about 320 miles (520 km) east-southeast of Cozumel, Mexico.  Delta was moving toward the west-northwest at 16 m.p.h. (26 km/h).  The maximum sustained wind speed was 130 m.p.h. (210 km/h) and there were wind gusts to 150 m.p.h. (240 km/h).  The minimum surface pressure was 954 mb.

A Hurricane Warning was in effect for the portion of the coast from Tulum to Dzilam, Mexico including Cancun and Cozumel.  Tropical Storm Warnings were in effect for the Cayman Islands, the Isle of Youth and Pinar del Rio, Cuba.  Tropical Storm Warnings were also in effect for the portions of the coast from Punta Herrero to Tulum and from Dzilam to Progreso, Mexico.  A Tropical Storm Watch was in effect for La Habana, Cuba.

Hurricane Delta rapidly intensified into a major hurricane on Tuesday morning.  A small eye with a diameter of six miles (10 km) was at the center of circulation.  A ring of strong thunderstorms surrounded the eye and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms revolving around the core of Delta.  Storms near the core generated upper level divergence which pumped large quantities of mass away from the hurricane.  The removal of mass allowed the surface pressure to decrease rapidly which contributed to the rapid intensification of Hurricane Delta.

The circulation around Hurricane Delta was relatively small.  Winds to hurricane force extended out 25 miles (40 km) from the center of circulation.  Winds to tropical storm force extended out 90 miles (145 km) from the center of Delta.  The Hurricane Intensity Index (HII) for Hurricane Delta was 25.1.  The Hurricane Size Index (HSI) was 7.6 and the Hurricane Wind Intensity Size Index (HWISI) was 32.7.

Hurricane Delta will move through an environment favorable for intensification during the next 18 hours.  Delta will move over water where the Sea Surface Temperature is 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 Delta is likely to continue to intensify rapidly during the next 12 hours.  It could reach Category 5 on the Saffir-Simpson Scale.

Hurricane Delta will move around the western end of a subtropical high pressure system over the western Atlantic Ocean.  The high will steer Delta toward the northwest during the next 48 hours.  Hurricane Delta will move more toward the north on Thursday when it reaches the western end of the high pressure system.  On its anticipated track Hurricane Delta will reach the northeastern part of the Yucatan Peninsula on Tuesday night.  Delta will bring damaging winds and locally heavy rain to area around Cancun and Cozumel.  Hurricane Delta will then move over the Gulf Mexico.  Delta could approach the coast of Louisiana on Friday night.  It could bring hurricane conditions to New Orleans on Saturday.

Tropical Storm Gamma Brings Wind and Rain to Yucatan

Tropical Storm Gamma brought wind and rain to the Yucatan Peninsula on Saturday.  At 2:00 p.m. EDT on Saturday the center of Tropical Storm Gamma was located at latitude 20.4°N and longitude 87.6°W which put it about 15 miles (25 km) north-northwest of Tulum, Mexico.  Gamma was moving toward the northwest at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 70 m.p.h. (110 km/h) and there were wind gusts to 85 m.p.h. (135 km/h).  The minimum surface pressure was 980 mb.

A Hurricane Warning was in effect for the portion of the coast from Punta Allen to Cancun, Mexico including Cozumel.  Tropical Storm Warnings were in effect for the portions of the coast from Punta Herrero to Punta Allen and from Cancun to Dzilam, Mexico.  Tropical Storm Watches were in effect for the portions of the coast from Punta Herrero to Puerto Costa Maya and from Dzilam to Progreso, Mexico.

The center of Tropical Storm Gamma made landfall on the coast of the Yucatan Peninsula near Tulum around midday on Saturday.  Gamma strengthened quickly over the warm water in the Northwest Caribbean Sea in the hours prior to landfall.  An eye was beginning to form at the center of Tropical Storm Gamma at the time of landfall.  A ring of strong thunderstorms surrounded the developing eye and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the core of Gamma.  Storms near the core generated upper level divergence which pumped mass away from the tropical storm.  Winds to tropical storm force extended out 80 miles (130 km) from the center of circulation.

Tropical Storm Gamma will weaken while the center of circulation moves over land.  When Gamma emerges over the southern Gulf of Mexico on Sunday, it will move into an environment favorable for intensification.  Gamma will move over water where the Sea Surface Temperature is near 30°C.  It will be under the western side of an upper level ridge.  The ridge will produce southwesterly winds which will blow toward the top of Tropical Storm Gamma.  Those winds will cause some vertical wind shear, but they are not likely to be strong enough to keep Gamma from strengthening when it gets back over water.

Tropical Storm Gamma will move around the western end of a subtropical high pressure system over the western Atlantic Ocean.  The high will steer Gamma toward the north-northwest during next 24 hours.  A large, cool high pressure system over the eastern U.S. will block the northward movement of Tropical Storm Gamma when it reaches the southern Gulf of Mexico.  That high pressure system will steer Gamma slowly toward the west during the earl part of next week.

On its anticipated track Tropical Storm Gamma will move across northern Quintana Roo and the state of Yucatan.  Gamma will cause gusty winds along the eastern and northern coasts of the Yucatan Peninsula.  Tropical Storm Gamma will drop heavy rain over parts of Quintana Roo and Yucatan.  Heavy rain is likely to cause flash floods in some locations.