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Hurricane Helene Strengthens to Cat. 2

Hurricane Helene strengthened to Category 2 on the Saffir-Simpson Scale over the eastern Gulf of Mexico on Thursday morning.  At 8:00 a.m. EDT on Thursday the center of Hurricane Helene was located at latitude 24.5°N and longitude 85.9°W which put the center about 365 miles (585 km) south of Apalachicola, Florida.  Helene was moving toward the north-northeast at 12 m.p.h. (19 km/h).  The maximum sustained wind speed was 100 m.p.h. (160 km/h) and there were wind gusts to 120 m.p.h. (195 km/h).  The minimum surface pressure was 960 mb.

A Hurricane Warning is in effect for the portion of the coast from Anclote River to Mexico Beach, Florida.

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 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 Little River Inlet, South Carolina.  A Tropical Storm Warning is in effect for Lake Okeechobee.  A Tropical Storm Warning was also in effect for the Cuban provinces of Artemisa, Pinar del Rio and Isle of Youth.

A U.S. Air Force Hurricane Hunter aircraft found that Hurricane Helene had strengthened to Category 2 on the Saffir-Simpson Scale on Thursday morning.  An eye with a diameter of 30 miles (48 km) was at the center of Helene’s circulation.  The eye was surrounded by a ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Bands of showers and thunderstorms were revolving around the center of Hurricane Helene.  Storms near the center of Helene generated strong upper level divergence that pumped large quantities of mass away from the hurricane.  The removal of large amounts of mass caused the surface pressure to decrease rapidly.

The circulation around Hurricane Helene was large.  Winds to hurricane force extended out 60 miles (95 km) from the center of Helene’s circulation.  Winds to tropical storm force extended out 345 miles (555 km) in the eastern side of Hurricane Helene.  Winds to tropical storm force extended out 140 miles (225 km) in the western side of Helene’s circulation.

The Hurricane Intensity Index (HII) is 16.5.  The Hurricane Size Index (HSI) is 17.6 and the Hurricane Wind Intensity Size Index (HWISI) 34.1.  Hurricane Helene is similar in intensity to Hurricane Idalia that hit northeast Florida in 2023.  However, Helene is much bigger than Idalia was.  Helene is still intensifying.  So, Helen will be stronger than Idalia was when i reaches the coast.

Hurricane Helene will move through an environment favorable for intensification during the next 12 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 eastern Gulf of Mexico.  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 12 hours.  Helene is likely to strengthen to a major hurricane by Thursday afternoon.  Helene could intensify rapidly at times.

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-northeast during the next 24 hours.  On its anticipated track, Hurricane Helene will make landfall on the coast of northern Florida at Apalachee Bay Thursday evening.  Helene is likely to be a major hurricane when it reaches the coast

Hurricane Helene is likely to be a major hurricane when it reaches northern Florida.  Helene will be a large and dangerous hurricane.  Hurricane 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, Georgia, western South Carolina, western North Carolina and eastern Tennessee.

Helene could also cause a storm surge of up to 20 feet (6.1 meters) along portions of the west coast of Florida.

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

An upper level trough over the Mississippi River Valley will steer Hurricane Helene quickly toward the north-northeast after it makes landfall.  Since the circulation around Helene is so large, Hurricane Helene will produce hurricane force winds in inland locations as well.

Hurricane Warnings are in effect for parts of northern Florida, southeastern Alabama and southwestern Georgia.  The Hurricane Warnings include Tallahassee, Florida and Macon, Georgia.

Tropical Storm Warnings are in effect for the Florida Peninsula, northwest Florida eastern Alabama, northern and eastern Georgia, all of South Carolina, southwestern North Carolina, and southeastern Tennessee.  The Tropical Storm Warnings include Atlanta, Georgia and Charleston, South Carolina.

Hurricane Helene is likely to cause widespread electricity outages as it moves inland over the southeastern U.S.

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.

Tropical Storm Franklin Drops Heavy Rain on Hispaniola

Tropical Storm Franklin was dropping heavy rain over Hispaniola on Wednesday morning. At 8:00 a.m. EDT on Wednesday the center of Tropical Storm Franklin was located at latitude 17.9°N and longitude 71.2°W which put it about 25 miles (40 km) south of Barahona, Dominican Republic. Franklin was moving toward the north at 10 m.p.h. (16 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 1000 mb.

A Tropical Storm Warning was in effect for the south coast of Haiti from Anse d’Hainault to the border with the Dominican Republic. A Tropical Storm Warning was also in effect for the south coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Warning was in effect for the north coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Warning was also in effect for the Turks and Caicos.

Tropical Storm Franklin was dropping heavy rain over parts of Haiti and the Dominican Republic on Wednesday morning. The center of Franklin made landfall on the south coast of the Dominican Republic south of Barahona. The heaviest rain was falling in bands in the eastern side of Tropical Storm Franklin. Those bands were dropping heavy rain over the Dominican Republic. Those rainbands were also producing the strongest winds. Winds to tropical storm force extended out 115 miles (185 km) in the eastern side of Tropical Storm Franklin. The winds in the western side of Franklin’s circulation were blowing at less than tropical storm force.

Tropical Storm Franklin will move northward across Hispaniola during the rest of Wednesday. The mountains in Hispaniola will disrupt the lower part of Franklin’s circulation. The low level circulation around Tropical Storm Franklin could be very weak by the time it moves north of Hispaniola on Tuesday night. However, the middle and upper parts of Franklin’s circulation will pass above the mountains. The middle and upper parts of the circulation are likely to be relatively intact when they move over the Atlantic Ocean. Downdrafts could transport rotation back toward the surface, and Tropical Storm Franklin is forecast to start to reorganize north of Hispaniola later this week.

Elsewhere, Tropical Depression Harold was dropping rain over parts of West Texas and southern New Mexico. At 5:00 a.m. EDT on Wednesday the center of Tropical Depression Harold was located at latitude 28.6°N and longitude 102.1°W which put it about 235 miles (380 km) south of Midland, Texas. Harold was moving toward the west-northwest at 14 m.p.h. (22 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 1005 mb.

Tropical Storm Harold Brings Wind and Rain to South Texas

Tropical Storm Harold brought wind and rain to South Texas on Tuesday. At 11:00 a.m. EDT on Tuesday the center of Tropical Storm Harold was located at latitude 27.1°N and longitude 97.4°W which put it about 35 miles (55 km) north of Port Mansfield, Texas. Harold was moving toward the west-northwest at 21 m.p.h. (33 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 998 mb.

At 8:00 a.m. EDT on Tuesday the center of Tropical Storm Harold was located at latitude 26.2°N and longitude 96.4°W which put it about 70 miles (110 km) east-southeast of Port Mansfield, Texas. Harold was moving toward the west-northwest at 18 m.p.h. (29 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 1004 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Port O’Connor, Texas to the Mouth of the Rio Grande, River. A Tropical Storm Watch was in effect for the portion of the coast from Port O’Connor to Sargent, Texas.

Tropical Storm Harold strengthened a little before it made landfall on Padre Island. The distribution of thunderstorms in Harold was asymmetrical. There were more thunderstorms in the bands in the northern side of Harold’s circulation than there were in the bands in the southern half of the circulation. Winds to tropical storm force extended out 115 miles (185 km) from the center of Harold’s circulation.

Bands in the northern side of Tropical Storm Harold were dropping heavy rain over parts of South Texas. Flash Flood Warnings were in effect for eastern Duval County, Jim Wells County, western Kleberg County, south central Live Oak County, northwestern Nueces County, and southwestern San Patricio County.

The bands in the northern side of Tropical Storm Harold were also producing winds to tropical storm force. The National Weather Service Office in Corpus Christi (KCRP) reported a sustained wind speed of 40 m.p.h. (65 km/h) and a wind gust of 62 m.p.h. (100 km/h).

Tropical Storm Harold will move inland quickly over South Texas. Harold will weaken as it move farther inland, but Tropical Storm Harold will continue to drop heavy rain over parts of South Texas and the Lower Rio Grande Valley during the next few hours.

Elsewhere, Tropical Storm Franklin was over the Caribbean Sea and Tropical Depression Gert weakened east of the Leeward Islands.

At 11:00 a.m. EDT on Tuesday the center of Tropical Storm Franklin was located at latitude 15.5°N and longitude 71.1°W which put it about 220 miles (355 km) south-southwest of Santo Domingo, Dominican Republic. Franklin was moving toward the northwest at 7 m.p.h. (11 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 1002 mb.

A Tropical Storm Warning was in effect for the south coast of Haiti from Anse d’Hainault to the border with the Dominican Republic. A Tropical Storm Warning was also in effect for the south coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Watch was in effect for the north coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Watch was also in effect for the Turks and Caicos.

At 11:00 a.m. EDT on Tuesday the center of Tropical Depression Gert was located at latitude 17.4°N and longitude 59.7°W which put it about 230 miles (370 km) east of the Northern Leeward Islands. Gert was moving toward the west-northwest at 5 m.p.h. (8 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 1008 mb.

Tropical Storm Harold Approaches South Texas

Tropical Storm Harold was approaching the coast of South Texas on Tuesday morning. At 8:00 a.m. EDT on Tuesday the center of Tropical Storm Harold was located at latitude 26.2°N and longitude 96.4°W which put it about 70 miles (110 km) east-southeast of Port Mansfield, Texas. Harold was moving toward the west-northwest at 18 m.p.h. (29 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 1004 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Port O’Connor, Texas to the Mouth of the Rio Grande, River. A Tropical Storm Watch was in effect for the portion of the coast from Port O’Connor to Sargent, Texas.

Former Tropical Depression Nine strengthened during Monday night and the U.S. National Hurricane Center designated the system as Tropical Storm Harold. There was a large circulation around Tropical Storm Harold, but the surface center of circulation was elongated. The distribution of thunderstorms in Harold was asymmetrical. There were more thunderstorms in the bands in the northern side of the low pressure system than there were in the bands in the southern half of the circulation. Winds to tropical storm force extended out 115 miles (185 km) from the center of Harold’s circulation.

Tropical Storm Harold will move through an environment somewhat favorable for intensification during the next few hours. Harold will move over water where the Sea Surface Temperatures are near 31°C. It will move under the southern part of an upper level ridge over the central U.S. There is also an upper level low over northern Mexico. The upper level ridge and the upper level low will interact to produce southeasterly winds that will blow toward the top of Harold’s circulation. Those winds will cause moderate vertical wind shear. The wind shear will inhibit intensification. Tropical Storm Harold could intensify a little during the next few hours in spite of the vertical wind shear.

The upper level ridge over the central U.S. will steer Tropical Storm Harold toward the west-northwest during the next 24 hours. On its anticipated track, Harold will reach the coast of South Texas in a few hours. Tropical Storm Harold will reach South Texas in a few hours. Harold will bring gusty winds and locally heavy rain to South Texas. Heavy rain is likely to cause flash floods in some locations. The low pressure system could also cause a storm surge of up to five feet (1.5 meters) along the coast.

Elsewhere, Tropical Storm Franklin was over the Caribbean Sea and Tropical Depression Gert was east of the Leeward Islands.

At 8:00 a.m. EDT on Tuesday the center of Tropical Storm Franklin was located at latitude 14.6°N and longitude 70.7°W which put it about 260 miles (420 km) south of Santo Domingo, Dominican Republic. Franklin was moving toward the west at 3 m.p.h. (5 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 1002 mb.

A Tropical Storm Warning was in effect for the south coast of Haiti from Anse d’Hainault to the border with the Dominican Republic. A Tropical Storm Warning was also in effect for the south coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Watch was in effect for the north coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Watch was also in effect for the Turks and Caicos.

At 5:00 a.m. EDT on Tuesday the center of Tropical Depression Gert was located at latitude 17.2°N and longitude 58.8°W which put it about 290 miles (470 km) east of the Northern Leeward Islands. Gert was moving toward the west-northwest at 8 m.p.h. (13 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 1008 mb.

Gulf System Prompts Tropical Storm Warning for South Texas

The potential risk posed by a low pressure system over the Gulf of Mexico prompted the issuance of a Tropical Storm Warning for South Texas. The U.S. National Hurricane Center designated the low pressure system as Potential Tropical Cyclone Nine on Monday morning. At 11:00 a.m. EDT on Monday the center of Potential Tropical Cyclone Nine was located at latitude 25.0°N and longitude 89.9°W which put it about 480 miles (770 km) east-southeast of Port Mansfield, Texas. The low pressure system was moving toward the west at 16 m.p.h. (26 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 1008 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Port O’Connor, Texas to the Mouth of the Rio Grande, River. A Tropical Storm Watch was in effect for the portion of the coast from Port O’Connor to Sargent, Texas.

There was a large circulation around Potential Tropical Cyclone Nine, but there was not a well defined surface center of circulation. Bands of showers and thunderstorms were revolving counterclockwise in the large low pressure system. There were more thunderstorms in the bands in the northern side of the low pressure system than there were in the bands in the southern half of the circulation.

Potential Tropical Cyclone Nine will move through an environment mostly favorable for intensification during the next 24 hours. The low pressure system will move over water where the Sea Surface Temperatures are near 31°C. It will move under the southern part of an upper level ridge over the central U.S. The ridge will produce easterly winds that will blow toward the top of the low pressure system. The winds in the lower levels of the atmosphere will also blow form the east. So, there will not be a lot of vertical wind shear over much of the lower pressure system. An upper level low over northern Mexico will produce southerly winds that will blow toward the southwestern part of the low pressure system. There will be more vertical wind shear in that region. Potential Tropical Cyclone Nine is likely to intensify to a tropical storm during the next 24 hours.

The upper level ridge will steer Potential Tropical Cyclone Nine toward the west-northwest during the next 24 hours. On its anticipated track, the low pressure system will reach the coast of South Texas on Tuesday morning. Potential Tropical Cyclone Nine will likely be a tropical storm when it reaches South Texas. It will bring gusty winds and locally heavy rain to South Texas. Heavy rain is likely to cause flash floods in some locations. The low pressure system could also cause a storm surge of up to five feet (1.5 meters) along the coast.

Elsewhere, Tropical Storm Franklin was over the Caribbean Sea, Tropical Storm Gert was east of the Leeward Islands and former Tropical Storm Emily weakened to a tropical depression over the central Atlantic Ocean.

At 11:00 a.m. EDT on Monday the center of Tropical Storm Franklin was located at latitude 15.0°N and longitude 70.1°W which put it about 240 miles (390 km) south of Santo Domingo, Dominican Republic. Franklin was moving toward the west at 6 m.p.h. (10 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 999 mb.

A Tropical Storm Warning was in effect for the south coast of Haiti from Anse d’Hainault to the border with the Dominican Republic. A Tropical Storm Warning was also in effect for the south coast of the Dominican Republic from Isla Saona to the border with Haiti. A Tropical Storm Watch was in effect for the north coast of the Dominican Republic from Isla Saona to the border with Haiti.

At 11:00 a.m. EDT on Monday the center of Tropical Storm Gert was located at latitude 16.9°N and longitude 57.0°W which put it about 410 miles (665 km) east-southeast of the Northern Leeward Islands. Gert was moving toward the west at 8 m.p.h. (13 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 1006 mb.

At 11:00 a.m. EDT on Monday the center of Tropical Depression Emily was located at latitude 21.1°N and longitude 41.6°W which put it about 1225 miles (1965 km) west-northwest of the Cabo Verde Islands. Emily was moving toward the west-northwest at 9 m.p.h. (15 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 1006 mb.

Hurricane Ian Makes Landfall in South Carolina

Hurricane Ian made landfall in South Carolina on Friday afternoon. According to the National Hurricane Center the center of Hurricane Ian officially made landfall near Georgetown, South Carolina at 2:05 p.m. EDT on Friday. At 2:05 p.m. EDT on Friday the center of Hurricane Ian was located at latitude 33.3°N and longitude 79.2°W which put it about 55 miles (90 km) east-southeast of Charleston, South Carolina. Ian was moving toward the north at 15 m.p.h. (24 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 977 mb.

A Hurricane Warning was in effect for the portion of the coast from Savannah River, Georgia to Cape Fear, North Carolina. The Hurricane Warning included Charleston, South Carolina. A Hurricane Watch was in effect for the portion of the coast from Cape Fear to Surf City, North Carolina. A Tropical Storm Warning was in effect for the portion of the coast from Cape Fear to Duck, North Carolina. The Tropical Storm Warning included Pamlico Sound. A Tropical Storm Warning is also in effect for the portion of the coast from Altamaha Sound to Savannah River, Georgia.

The center of Hurricane Ian moved over the coast of South Carolina near Georgetown at 2:05 p.m. EDT on Friday. Ian was a Category 1 hurricane at the time of landfall. Winds to hurricane force extended out70 miles (110 km) from the center of Ian’s circulation. Winds to tropical storm force extended out 275 miles (445 km) from the center of circulation. The Hurricane Intensity Index (HII) was 12.7. The Hurricane Size Index (HSI) was 12.7 and the Hurricane Wind Intensity Size Index (HWISI) was 30.9. Hurricane Ian was capable of causing regional minor damage.

Hurricane Ian was bringing strong gusty winds to the coastal areas of South Carolina on Friday afternoon. The weather station at the Charleston airport (KCHS) reported a sustained wind speed of 50 m.p.h. (80 km/h) and a wind gust of 68 m.p.h. (101 m.p.h.). Heavy rain was also falling over Charleston and there were reports of flooded streets. Hurricane Ian was causing a storm surge east of Georgetown where the winds were blowing water toward the coast. A surge of 4 to 7 feet (1.2 to 2.1 meters) was possible in the part of the coast between Georgetown and Cape Fear, North Carolina. A Storm Surge Warning is in effect for the portion of the coast from the Savannah River, Georgia to Cape Fear, North Carolina. Winds and waves were causing erosion along the coast.

Hurricane Ian will weaken gradually as it moves inland over eastern South Carolina. The center of Ian will move over south central South Carolina during Friday night. Ian will produce strong gusty winds over South Carolina and eastern and central North Carolina. Gusts to tropical storm force could affect the area around Charlotte, North Carolina. Minor wind damage and widespread electricity outages could occur in those areas. Gusty winds could push over trees in locations where the ground is saturated. Heavy rain was already falling over South Carolina, eastern North Carolina,, and southeastern Virginia. Flood Watches were in effect for much of South Carolina, North Carolina and southeastern Virginia. Southerly winds will push water toward the coast in places east of Georgetown, South Carolina. The storm surge is likely to continue in those places for a few more hours.