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Disturbance Moves Toward Gulf Coast

A disturbance generated by a cluster of thunderstorms moved toward the Gulf Coast on Sunday afternoon. At 2:00 p.m. EDT on Sunday the center of the disturbance was located near latitude 27.0°N and longitude 88.0°W which put it about 240 miles (390 km) south of Mobile, Alabama. The disturbance was moving toward the north-northeast at 7 m.p.h. (11 km/h). The maximum sustained wind speed was 35 m.p.h. (55 km/h) and and there were wind gusts to 45 m.p.h. (75 km/h). The minimum surface pressure was 1015 mb.

A disturbance generated by a cluster of thunderstorms over the central Gulf of Mexico was designated as Invest 90L on Sunday afternoon. Visible satellite images showed that a distinct center of circulation had formed in a disturbance over the north central Gulf of Mexico on Sunday afternoon. A swirl of lower clouds was clearly visible on the images. Some thunderstorms were beginning to develop in bands northwest of the center of circulation. Otherwise, there were mainly low clouds and showers in the other bands near the center. Thunderstorms were also occurring in a band on the northeastern periphery of the disturbance.

The disturbance will move through an environment that will be marginally favorable for the development of a tropical cyclone during the next 18 hours. The disturbance will move over water where the Sea Surface Temperatures are near 29˚C. The southern end of an upper level trough over the central U.S. will produce southwesterly winds that will blow toward the top of the disturbance. Those winds will cause some vertical wind shear and the wind shear will inhibit the development of a tropical cyclone. The disturbance is currently forecast not to develop into a tropical cyclone, but some development could occur if more thunderstorms form near the center of circulation. The National Hurricane Center in its 2:00 p.m. EDT Tropical Weather Outlook indicated the probability was 10% that the disturbance would develop into a tropical cyclone.

The upper level trough over the central U.S. will steer the disturbance toward the north-northeast. On its anticipated track the cluster of storms will move toward the central Gulf Coast. Bands of thunderstorms could drop locally heavy rain over northwest Florida and south Alabama during the next 48 hours. Heavy rain could cause flash floods in some locations. Some thunderstorms could approach severe criteria.

Cluster of Thunderstorms Forms over Central Gulf of Mexico

A cluster of thunderstorms formed over the central Gulf of Mexico on Saturday. The cluster of storms persisted on Sunday morning. At 8:00 a.m. EDT on Sunday the center of the cluster of thunderstorms was located near latitude 26.0°N and longitude 88.0°W which put it about 310 miles (500 km) south of Mobile, Alabama. The cluster of thunderstorms was moving slowly toward the north-northeast. Some of the thunderstorms in the cluster were producing sustained winds of 35 m.p.h. (55 km/h) and and there were wind gusts to 45 m.p.h. (75 km/h). The minimum surface pressure was 1015 mb.

A cluster of thunderstorms formed over the central Gulf of Mexico on Saturday and it persisted on Sunday morning. There was not a well defined low level center of circulation beneath the cluster of storms. Visible satellite loops provided indications of several possible centers of rotation in the middle troposphere. Thunderstorms in the cluster generated some upper level divergence that pumped mass away toward the northeast. The strongest winds were occurring in bands of thunderstorms.

The cluster of thunderstorms will move through an environment that will be marginally favorable for the development of a tropical cyclone during the next 18 hours. The cluster of storms will move over water where the Sea Surface Temperatures are near 29˚C. The southern end of an upper level trough over the central U.S. will produce southwesterly winds that will blow toward the top of the thunderstorms. Those winds will cause some vertical wind shear and the wind shear will inhibit the development of a tropical cyclone. The cluster of thunderstorms is currently forecast not to develop into a tropical cyclone, but some development could occur if a surface center of circulation forms beneath the cluster.

The upper level trough over the central U.S. will steer the cluster of thunderstorms toward the north-northeast. On its anticipated track the cluster of storms will move toward the central Gulf Coast. Bands of thunderstorms could drop locally heavy rain over northwest Florida and south Alabama during the next 48 hours. One band of showers and thunderstorms is currently approaching that area. Heavy rain could cause flash floods in some locations. Some thunderstorms could approach severe criteria.

Powerful Hurricane Ida Hits Southeast Louisiana

Powerful Hurricane Ida hit southeast Louisiana on Sunday. At 2:00 p.m. EDT on Sunday the center of Hurricane Ida was located at latitude 29.2°N and longitude 90.3°W which put it about 35 miles (55 km) southeast of Houma, Louisiana. Ida was moving toward the northwest at 13 m.p.h. (20 km/h). The maximum sustained wind speed was 150 m.p.h. (240 km/h) and there were wind gusts to 180 m.p.h. (290 km/h). The minimum surface pressure was 930 mb.

A Hurricane Warning was in effect for the portion of the coast from Intracoastal City, Louisiana to the Mouth of the Pearl River. The Hurricane Warning included New Orleans, Lake Pontchartrain and Lake Maurepas. Tropical Storm Warnings were in effect for the portions of the coast from Cameron, Louisiana to Intracoastal City and from the Mouth of the Pearl River to the Alabama/Florida Line.

According to the National Hurricane Center the center of Hurricane Ida made landfall near Port Fourchon, Louisiana. That location was about 60 miles (95 km) south of New Orleans, about 15 miles southwest of Grand Isle, and about 45 miles southeast of Houma. Ida rapidly intensified to Category 4 on the Saffir-Simpson Scale as it approached the coast. The maximum sustained wind speed was 150 m.p.h. (240 km/h) at the time of landfall. The Hurricane Intensity Index (HII) for Hurricane Ida was 31.5. The Hurricane Size Index (HSI) was 15.3 and the Hurricane Wind Intensity Size Index (HWISI) was 46.8. Hurricane Ida was as intense as Hurricane Laura was in 2020. Ida was a little smaller than Laura was.

A weather station at Southwest Pass with an anemometer 125 feet (38 meters) above the station measured a sustained wind speed of 105 m.p.h. (169 km/h) and a wind gust of 121 m.p.h. (195 km/h). A weather station at Pilot’s Station with an anemometer 20 meters above the surface measured a sustained wind speed of 106 m.p.h. (170 km/h) and a wind gust of 128 m.p.h. (205 km/h). Southeasterly winds blowing around the eastern side of Hurricane Ida were pushing water toward the coast. Gauges at Shell Beach, Louisiana and the Waveland Mississippi Yacht Club both measured water level rises of approximately 7 feet (2 meters). Widespread power outages were reported around New Orleans.

Hurricane Ida will move slowly inland during the rest of Sunday. Ida will weaken gradually because it will be moving over a relatively flat surface that includes marshes and bayous. The center of Hurricane Ida will be near Houma, Louisiana in a few hours. Strong southeasterly winds will continue to push water toward the coast and the storm surge will continue until Hurricane Ida moves farther inland and weakens. A Storm Surge Warning is in effect for the portion of the coast from Intracoastal City, Louisiana to the Alabama/Florida border. The Storm Surge Warning includes Lake Pontchartrain, Lake Maurepas, Lake Borgne and Mobile Bay. Ida will pass near Baton Rouge on Sunday night. Hurricane Ida could produce hurricane force wind gusts near New Orleans and Baton Rouge. More widespread power outages could occur over southeast Louisiana. Ida will move northeast over Mississippi on Monday. It will drop locally heavy rain over eastern Louisiana, Mississippi, western Alabama and southwestern Tennessee. Flash Flood Watches have been issued for those locations.

Tropical Storm Ida Strengthens

Reconnaissance planes found Friday morning that Tropical Storm Ida had strengthened over the Northwest Caribbean Sea. At 8:00 a.m. EDT on Friday the center of Tropical Storm Ida was located at latitude 20.3°N and longitude 81.7°W which put it about 115 miles (185 km) southeast of the Isle of Youth, Cuba. Ida was moving toward the northwest at 15 m.p.h. (24 km/h). The maximum sustained wind speed was 60 m.p.h. (95 km/h) and there were wind gusts to 75 m.p.h. (120 km/h). The minimum surface pressure was 996 mb.

A Hurricane Watch was in effect for the portion of the coast from Cameron, Louisiana to the Mississippi/Alabama border. The Hurricane Watch included New Orleans, Lake Ponchartrain and Lake Maurepas. Tropical Storm Warnings were in effect for the Cayman Islands. Tropical Storm Warnings were also in effect for the Cuban provinces of Matanzas, Mayabeque, Havana, Artemisa, Pinar del Rio and the Isle of Youth. A Tropical Storm Watch was in effect for the portion of the coast from the Mississippi/Alabama border to the Alabama/Florida border.

Two reconnaissance planes flying through Tropical Storm Ida on Friday morning found that the sustained wind speed had increased and the minimum surface pressure had decreased. The planes also found that the circulation around Ida was more organized.  Thunderstorms were forming near the center of Ida.  Storms near the center of circulation were generating upper level divergence that pumped mass away from the tropical storm.  The removal of mass was causing the surface pressure to decrease.  The decreasing pressure resulted in the generation of more force which produced higher wind speeds.  More thunderstorms were also forming in bands revolving around the center of Tropical Storm Ida. Winds to tropical storm force extended out 80 miles (130 km) from the center of Ida.

Tropical Storm Ida will move into an environment that will become increasingly favorable for intensification during the next 48 hours.  An upper level low over the southeast U.S. was producing southerly winds that were blowing toward the top of Ida’s circulation.  Those winds were causing some vertical wind shear.  However, the upper low was moving away from Ida and the low was weakening.  The wind shear will decrease as the upper low weakens.  Tropical Storm Ida will move over water where the Sea Surface Temperature is near 30˚C.  Ida will continue to intensify today.  Tropical Storm Ida could strengthen to a hurricane during the next 24 hours. Ida will move across western Cuba this evening, which could briefly slow the intensification process.  An upper level ridge will be over the Gulf of Mexico during the weekend.  The winds will be weak in the ridge and there will be little vertical wind shear.  Ida is likely to undergo a period of rapid intensification during the weekend that will cause it to strengthen to a major hurricane.  Ida could reach Category 4 on the Saffir-Simpson Scale on Sunday.

Tropical Storm Ida will move around the southwestern part of a high pressure system that extended from the Atlantic Ocean to the eastern Gulf of Mexico.  The high will steer Ida toward the northwest during the next 48 hours.  As mentioned above, on its anticipated track Tropical Storm Ida will move across western Cuba on Friday evening. Ida will bring gusty winds and locally heavy rain to western Cuba. Ida is likely to approach the coast of Louisiana as a major hurricane on Sunday.  Ida will be capable of causing major damage when it approaches the coast. It could cause a storm surge of up to 10 to 14 feet (3 to 4 meters). A Storm Surge Watch has been issued for the coast from Sabine Pass to the Alabama/Florida border. The Storm Surge Watch includes Vermilion Bay, Lake Borgne, Lake Pontchartrain, Lake Maurepas, and Mobile Bay. Ida probably will not be as strong or as large as Hurricane Laura was last year.  Ida could be a little bigger and a little stronger than Hurricane Delta was when it approached Louisiana in 2020.

Tropical Storm Ida Prompts Hurricane Watch for Louisiana and Mississippi

The threat posed by Tropical Storm Ida prompted the issuance of a Hurricane Watch for the coast of Louisiana and Mississippi on Thursday night. At 11:00 p.m. EDT on Thursday the center of Tropical Storm Ida was located at latitude 18.6°N and longitude 80.5°W which put it about 65 miles (105 km) southeast of Grand Cayman. Ida was moving toward the northwest at 12 m.p.h. (19 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. (65 km/h). The minimum surface pressure was 1006 mb.

A Hurricane Watch was issued for the portion of the coast from Cameron, Louisiana to the Mississippi/Alabama border. The Hurricane Watch included New Orleans, Lake Ponchartrain and Lake Maurepas. Tropical Storm Warnings were in effect for the Cayman Islands. Tropical Storm Warnings were also in effect for the Cuban provinces of Matanzas, Mayabeque, Havana, Artemisa, Pinar del Rio and the Isle of Youth. A Tropical Storm Watch was in effect for the portion of the coast from the Mississippi/Alabama border to the Alabama/Florida border.

The circulation around Tropical Storm Ida was gradually becoming more organized. A few more thunderstorms were beginning to develop near the center of Ida. A rainband was wrapping around the eastern and northern sides of the center of circulation. However, the distribution of thunderstorms was still asymmetrical. The strongest thunderstorms were occurring in bands forming on the eastern side of Tropical Storm Ida. An upper level low near Florida was producing south-southwesterly winds that were blowing over the western side of Ida’s circulation. Those winds were causing moderate vertical wind shear and they were contributing to the asymmetrical distribution of thunderstorms. Wind to tropical storm force extended out 70 miles (110 km) in the northeastern quadrant of Tropical Storm Ida. The winds in the other parts of Ida’s circulation were blowing at less than tropical storm force.

Tropical Storm Ida will move around the southwestern part of a subtropical high pressure system over the Atlantic Ocean during the next several days. The high will steer Ida toward the northwest. On its anticipated track Tropical Storm Ida will move over the Cayman Islands during the next few hours. Ida could be near western Cuba on Friday evening. Tropical Storm Ida will bring gusty winds and locally heavy rain to the Cayman Islands and parts of western Cuba. Ida will move over the Gulf of Mexico during the weekend. It could approach the central coast of the Gulf of Mexico on Sunday.

Tropical Storm Ida will move into an environment that will become more favorable for intensification during the next 60 hours. The upper low near Florida will move off to the northwest and it will weaken. When the upper low weakens, they vertical wind shear will decrease. Ida will move over water where the Sea Surface Temperatures are near 30°C. Ida is likely to strengthen to a hurricane during the next 36 hours. An upper level ridge will be over the Gulf of Mexico during the weekend. The upper level winds will be weak and there will be little vertical wind shear. Ida could intensify rapidly once an inner core with an eye and an eyewall develop. Ida could rapidly intensify to a major hurricane over the Gulf of Mexico.

On its anticipated track Ida could approach the coast of Louisiana on Sunday. Ida could be a major hurricane when it nears the coast. Ida will bring strong winds and locally heavy rain to the central Gulf Coast. It could generate a significant storm surge of up to 7 to 11 feet (2 to 3.3 meters). A Storm Surge Watch has been issued for the coast from Sabine Pass to the Alabama/Florida border. The Storm Surge Watch includes Vermilion Bay, Lake Borgne, Lake Pontchartrain, Lake Maurepas, and Mobile Bay.

Potential Tropical Cyclone Three Reaches Tropical Storm Force

Potential Tropical Cyclone Three reached tropical storm force south of Louisiana on Friday afternoon. At 2:00 p.m. EDT on Friday the center of Potential Tropical Cyclone Three (03L) was located at latitude 27.3°N and longitude 91.1°W which put it about 165 miles (265 km) south of Morgan City, Louisiana. Potential Tropical Cyclone Three was moving toward the north at 14 m.p.h. (22 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 1007 mb.

A Tropical Storm Warning was in effect for the portion of the coast from Morgan City, Louisiana to the Okaloosa/Walton County Line, Florida including New Orleans, Lake Pontchartrain and Lake Maurepas. The Tropical Storm Warning included Biloxi, Mississippi, Mobile, Alabama and Pensacola, Florida.

The circulation around Potential Tropical Cyclone Three strengthened on Friday afternoon. A C-MAN station (BURL1) at Southwest Pass, Louisiana with an anemometer at a height of 38 meters reported a sustained wind speed of 44 m.p.h. (71 km/h) and a wind gust of 51 m.p.h. (82 km/h). The sustained wind speed was equivalent to a speed of 40 m.p.h. (65 km/h) at a standard observation height of 10 meters.

The circulation around Potential Tropical Cyclone Three continued to consist of a broad low pressure system at the surface. The strongest winds were occurring northeast of the center of the broad low pressure system. A high pressure system southeast of the U.S. was contributing to a stronger pressure gradient in that region. The stronger pressure gradient was causing winds to blow at tropical storm force. The winds were weaker in the other parts of Potential Tropical Cyclone Three. There were several smaller circulations revolving counterclockwise around the broader Potential Tropical Cyclone Three. One of the smaller circulations was south of Louisiana and another one was over the southwestern Gulf of Mexico. The strongest thunderstorms were occurring in bands northeast of the broad center and in a long band on the eastern side of the circulation.

Potential Tropical Cyclone Three will move through an environment slightly favorable for intensification during the next few hours. Potential Tropical Cyclone Three will move over an area where the Sea Surface Temperatures are near 29°C. It will move between an upper level low over eastern Texas and an upper level ridge over the eastern Gulf of Mexico. The low and ridge will produce southwesterly winds that will blow toward the top of Potential Tropical Cyclone Three. Those winds will cause moderate vertical wind shear and the shear will inhibit intensification. The upper level ridge will contribute to upper level divergence that will pump mass to the east of Potential Tropical Cyclone Three. There will also be drier air over the northwestern Gulf of Mexico, which will make it difficult for thunderstorms to develop in that area. Potential Tropical Cyclone Three could intensify a little more during the next six hours. If a well defined surface center of circulation develops, the system could be designated as a tropical storm.

Potential Tropical Cyclone Three will move around the western end of the high pressure system southeast of the U.S. The high pressure system will steer it toward the north-northeast during the next 24 hours. On its anticipated track Potential Tropical Cyclone Three will make landfall in southeastern Louisiana on Friday night. The system will move across southeastern Mississippi on Saturday and it could reach Alabama by Saturday night. It will bring gusty winds to southeast Louisiana and the coasts of Mississippi and Alabama. The system could cause a storm surge of 3 to 5 feet (1.0 to 1.5 meters) along parts of the coast. It will drop locally heavy rain when it moves inland. Heavy rain could cause flash floods over parts of the southeastern U.S. Flash Flood Watches were in effect for parts of southeastern Mississippi, Alabama, northwestern Florida, and western Georgia. There may also be enough low level wind shear to produce tornadoes when the rainbands in the eastern side of the circulation when it moves inland.

Hurricane Zeta Hits New Orleans

Hurricane Zeta hit New Orleans, Louisiana and the coast of Mississippi on Wednesday evening. At 11:00 p.m. EDT on Wednesday the center of Hurricane Zeta was located at latitude 31.5°N and longitude 88.7°W which put it about 45 miles (75 km) northeast of Hattiesburg, Mississippi. Zeta was moving toward the northeast at 31 m.p.h. (50 km/h). The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 100 m.p.h. (160 km/h). The minimum surface pressure was 978 mb.

A Hurricane Warning remained in effect for the portion of the coast from the Mouth of the Pearl River to the Mississippi/Alabama border. A Tropical Storm Warning was in effect for the portion of the coast from the Mississippi/Alabama border to the Walton/Bay County Line in Florida.

Hurricane Zeta made landfall on the coast of Louisiana near Grand Isle late on Wednesday afternoon. The eye of Zeta passed over New Orleans before moving northeast into southern Mississippi. The strongest winds in Hurricane Zeta occurred in the eastern half of the circulation. A NOAA National Ocean Service (NOS) station at Shell Beach Louisiana (SHBL1) reported a sustained wind speed of 80 m.p.h. (130 km/h) and a wind gust of 101 m.p.h. (163 km/h). A NOAA NOS station at the Bay Waveland Yacht Club, Mississippi (WYCM6) reported a wind speed of 80 m.p.h. (130 km/h) and a wind gust of 103 m.p.h. (167 km/h). The National Weather Service (NWS) office at the airport in New Orleans (KMSY) reported a Peak Wind of 71 m.p.h. (115 km/h). A station in Biloxi, Mississippi (KBIX) reported a sustained wind speed of 64 m.p.h. (104 km/h) and a wind gust of 87 m.p.h. (141 km/h). A station in Mobile, Alabama (KMOB) reported a sustained wind speed of 48 m.p.h. (78 km/h) and a wind gust of 91 m.p.h. (146 km/h).

There were reports of significant storm surges along the coast of Mississippi. There were also reports of widespread power outages in southeastern Louisiana and southern Mississippi.

Hurricane Zeta will move rapidly northeastward across Alabama during the night. The center of Zeta will be over northwestern Georgia by Thursday morning. Hurricane Zeta will weaken to a tropical storm during the night, but it will be capable of causing additional power outages. Zeta will also drop locally heavy rain. Flash Flood Watches were in effect for the area from Alabama to western Virginia. Zeta will eventually merge with a cold front and make a transition to an extratropical cyclone. The extratropical cyclone could contribute to snow that will fall over the northeastern U.S.

Tropical Storm Sally Drops Heavy Rain on Southeast U.S.

Tropical Storm Sally dropped heavy rain over parts of the southeastern U.S. on Wednesday afternoon.  At 5:00 p.m. EDT on Wednesday the center of Tropical Storm Sally was located at latitude 31.2°N and longitude 86.8°W which put it about 85 miles (135 km) west of Dothan, Alabama.  Sally was moving toward the northeast at 7 m.p.h. (11 km/h).  The maximum sustained wind speed was 60 m.p.h. (95 km/h) and there were wind gusts to 75 m.p.h. (120 km/h).  The minimum surface pressure was 990 mb.

A Tropical Storm Warning remained in effect for the portion of the coast from the Alabama/Florida border to Indian Pass, Florida.

The winds to tropical storm force were occurring in bands over the Gulf of Mexico in the southern part of Tropical Storm Sally.  Most of the winds over land were blowing at less than tropical storm force.

Hurricane Sally made landfall near Gulf Shores, Alabama on Wednesday morning as a Category 2 hurricane on the Saffir-Simpson Scale.  A NOAA C-MAN station at Ft. Morgan, Alabama measured a sustained wind speed 98 m.p.h. (158 km/h) and a peak wind gust of 121 m.p.h. (195 km/h) when the western eyewall passed over it.  Another weather station at Bon Secour, Alabama measured a sustained wind speed of 71 m.p.h. (115 km/h).  There were reports of widespread power outages in Alabama.  The Pensacola Naval Air Station reported a wind gust of 82 m.p.h. (132 km/h).

The wind pushed the water toward the coast and there was a storm surge over the barrier sialnds and along the coast of Alabama and northwest Florida.  Since the eye of Sally passed east of Mobile, Alabama, northerly winds pushed the water out of Mobile Bay and the water level dropped several feet.  Heavy rain fell north and east of the center of Sally and creeks an rivers were rising quickly in parts of southern Alabama and northwestern Florida.

Tropical Storm Sally will move northeast across Southeast Alabama on Wednesday night.  Sally will be over Georgia on Thursday and it will be over South Carolina on Thursday night.  Tropical Storm Sally will continue to drop heavy rain over those areas and Flash Flood Watches were in effect for parts of northwestern Florida, southern Alabama, Georgia, western North Carolina and western South Carolina.

Elsewhere, Hurricane Teddy was on a track that could take it near Bermuda in a few days.  At 5:00 p.m. EDT on Wednesday the center of Hurricane Teddy was located at latitude 17.5°N and longitude 50.8°W which put it about 710 miles (1145 km) east of the Lesser Antilles.  Teddy was moving toward the 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 973 mb.

Hurricane Sally Makes Landfall Near Gulf Shores

The center of Hurricane Sally officially made landfall near Gulf Shores, Alabama on Wednesday morning.  At 6:00 a.m. EDT on Wednesday the center of Hurricane Sally was located at latitude 30.3°N and longitude 87.7°W which put it near Gulf Shores, Alabama.  Sally was moving toward the north-northeast at 3 m.p.h. (5 km/h).  The maximum sustained wind speed was 105 m.p.h. (165 km/h) and there were wind gusts to 125 m.p.h. (200 km/h).  The minimum surface pressure as 965 mb.

A Hurricane Warning was in effect from the Mississippi/Alabama border to the Okaloosa/Walton County line in Florida.  Tropical Storm Warnings were in effect for the portions of the coast from the Mouth of the Pearl River to the Mississippi/Alabama border and from the Okaloosa/Walton County Line to Indian Pass, Florida.

Hurricane Sally strengthened to Category 2 on the Saffir-Simpson Scale on Tuesday night as it ground its way slowly toward the Gulf Coast.  Winds to hurricane force extended out 40 miles (65 km) from the center of Sally.  Winds to tropical storm force extended out 130 miles (210 km) from the center.  The Hurricane Intensity Index (HII) for Hurricane Sally was 17.8.  The Hurricane Size Index (HSI) was 11.2 and the Hurricane Wind Intensity Size Index (HWISI) was 29.0.  Hurricane Sally was capable of causing regional serious damage.  The winds were pushing water toward the coast and a storm surge of 9 to 12 feet (3 to 4 meters) was possible.

Hurricane Sally will move slowly northeast across Northwest Florida and Southeast Alabama.  Sally will slowly weaken as it moves inland, but it will cause widespread power outages in those areas.  Since Hurricane Sally will move slowly, it will drop heavy rain.  Flash Flood Watches extend from the Gulf Coast to Georgia and North Carolina.

Elsewhere over the Atlantic Ocean, Teddy rapidly intensified into a Category 2 hurricane, Hurricane Paulette passes south of Newfoundland and Tropical Storm Vicky moved farther away from the Cabo Verde Islands.  At 5:00 a.m. EDT on Wednesday the center of Hurricane Teddy was located at latitude 15.4°N and longitude 49.0°W which put it about 820 miles (1315 km) east of the Lesser Antilles.  Teddy was moving toward the northwest 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 976 mb.

At 5:00 a.m. EDT on Wednesday the center of Hurricane Paulette was located at latitude 41.9°N and longitude 49.1°W which put it about 385 miles (620 km) south-southeast of Cape Race, Newfoundland.  Paulette was moving toward the east-northeast at 29 m.p.h. (46 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 966 mb.

At 5:00 a.m. EDT on Wednesday the center of Tropical Storm Vicky was located at latitude 21.6°N and longitude 33.9°W which put the center about 755 miles (1215 km) west-northwest of the Cabo Verde Islands.  Vicky was moving toward the west-northwest at 9 m.p.h. (15 km/h).  The maximum sustained wind speed was 50 m.p.h. (80 km/h) and there were ind gusts to 65 m.p.h. (105 km/h).  The minimum surface pressure was 1004 mb.

Hurricane Sally Continues to Grind Slowly Toward Mobile

Hurricane Sally continued to grind its way slowly north toward Mobile on Tuesday afternoon.  At 5:00 p.m. EDT on Tuesday the center of Hurricane Sally located at latitude 29.5°N and longitude 88.1°W which put it about 85 miles (135 km) south of Mobile, Alabama.  Sally was moving toward the north at 2 m.p.h. (3 km/h).  The maximum sustained wind speed was 80 m.p.h. (130 km/h) and there were wind gusts to 100 m.p.h. (120 km/h).  The minimum surface pressure was 979 mb.

A Hurricane Warning was in effect for the portion coast from Bay St. Louis, Mississippi to Navarre, Florida.  Tropical Storm Warnings were in effect for the portions of the coast from Grand Isle, Louisiana to Bay St. Louis, Mississippi and from Navarre to Indian Pass, Florida.

Hurricane Sally did not change a lot on Tuesday.  A ragged eye with a diameter of 30 miles (48 km) was at the center of Sally.  The eye was surrounded by a broken 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 Sally.  The strongest rainbands were in the northern half of the hurricane.  Bands in the southern half of the circulation consisted primarily of showers and lower clouds.  Storms near the center generated upper level divergence which pumped mass away to the northeast of the hurricane.  Winds to hurricane force extended out 40 miles (65 km) from the center of circulation.  Winds to tropical storm force extended out 130 miles (210 km) from the center.

Hurricane Sally was moving around the western end of a subtropical high pressure system over the western Atlantic Ocean.  The steering winds around Sally were weak, but they were pushing the hurricane slowly toward the north.  On its anticipated track Hurricane Sally will make landfall near Mobile Bay on Wednesday morning.  Any small wobble to the left or to the right could affect the place of landfall.  An upper level trough over the western U.S. will move east during the next couple of days.  The trough will turn Sally more toward the east after it moves inland.

The intensity of Hurricane Sally may not change much in the 12 hours until it makes landfall.  Sally will move over water where the Sea Surface Temperature is near 30°C.  However, the circulation will pull drier air into the southern part of the hurricane.  In addition, the eastern edge of the approaching upper level trough will produce some vertical wind shear.  The positive impact of warm water will be balanced by the negative impacts of drier air and slight shear.  So, the environment is likely to be neutral for intensification.  Hurricane Sally will start to weaken after the center moves inland.

Hurricane Sally was already producing water rises along the Central Gulf Coast.  A storm surge of up to 6 to 9 feet (2 to 3 meters) could occur near and to the east of where the center makes landfall.  Sally will cause mostly minor wind damage.  A prolonged period of strong winds could cause widespread power outages over southwestern Alabama and northwestern Florida.  Since Hurricane Sally will be moving slowly, it will drop heavy rain over southern Alabama and northwestern Florida.  Flash flooding will be likely in areas that receive the heaviest rainfall.

Elsewhere over the Atlantic Ocean, Hurricane Paulette continued to speed away from Bermuda, Tropical Storm Teddy was well on its way to becoming a hurricane and Tropical Storm Vicky was weakening over the eastern Atlantic.  At 5:00 p.m. EDT on Tuesday the center of Hurricane Paulette was located at latitude 39.5°N and longitude 55.0°W which put it about 740 miles (1190 km) northeast of Bermuda.  Paulette was moving toward the east-northeast at 30 m.p.h. (48 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.

At 5:00 p.m. EDT on Tuesday the center of Tropical Storm Teddy was located at latitude 14.6°N and longitude 47.9°W which put it about 895 miles (1440 km) east of the Lesser Antilles.  Teddy was moving toward the west-northwest at 13 m.p.h. (20 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 997 mb.

At 5:00 p.m. EDT on Tuesday the center of Tropical Storm Vicky was located at latitude 21.2°N and longitude 32.1°W which put it about 640 miles (1030 km) northwest of the Cabo Verde Islands.  Vicky 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 1004 mb.