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Tropical Storm Fernand Moves East

Tropical Storm Fernand moved east over the North Atlantic Ocean on Wednesday.  At 5:00 p.m. EDT on Wednesday the center of Tropical Storm Fernand was located at latitude 39.3°N and longitude 47.4°W which put the center about 585 miles (945 km) south-southeast of Cape Race, Newfoundland.  Fernand was moving toward the east-northeast at 15 m.p.h. (24 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 1006 mb.

Many of the thunderstorms in Tropical Storm Fernand dissipated on Wednesday as Fernand moved over cooler water.  The circulation around Fernand consisted primarily of bands of showers and lower clouds.

Winds to tropical storm force extended out 115 miles (185 km) from the center of Tropical Storm Fernand.

Tropical Storm Fernand will move through an environment that will be unfavorable for intensification of a tropical storm during the next 24 hours.  Fernand will move over water where the Sea Surface Temperatures are near 22°C.  An upper level wind trough east of Canada will produce southwesterly winds that will blow across the top of Fernand’s circulation.  Those winds will cause strong vertical wind shear.  The combination of cool water and strong vertical wind shear will cause Tropical Storm Fernand to weaken during the next 24 hours.

Tropical Storm Fernand will move around the northern side of a high pressure system over the Atlantic Ocean.  The high pressure system will steer Fernand toward the east-northeast during the next 24 hours.  On its anticipated track, Tropical Storm Fernand will move southeast of Newfoundland on Thursday.

Tropical Storm Fernand Passes Far South of Newfoundland

Tropical Storm Fernand passed far to the south of Newfoundland on Tuesday.  At 5:00 p.m. EDT on Tuesday the center of Tropical Storm Fernand was located at latitude 38.1°N and longitude 53.4°W which put the center about 595 miles (955 km) south of Cape Race, Newfoundland.  Fernand was moving toward the northeast 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. (80 km/h).  The minimum surface pressure was 1007 mb.

Tropical Storm Fernand weakened on Tuesday as it passed far to the south of Newfoundland.  Fernand continued to move under the southeastern side of an upper level ridge over the North Atlantic.  The upper level ridge produced northerly winds that blew across the top of Fernand’s circulation.  Those winds caused moderate vertical wind shear.  The vertical wind shear caused the distribution of thunderstorms in Tropical Storm Fernand to remain asymmetrical.  Thunderstorms were occurring in bands in the southern part of Fernand’s circulation.  Bands in the northern part of Tropical Storm Fernand consisted primarily of showers and lower clouds.

The distribution of wind speeds around Tropical Storm Fernand was asymmetrical.   Winds to tropical storm force extended out 90 miles (145 km) in the eastern side of Fernand’s circulation.  The winds in the western side of Tropical Storm Fernand were blowing at less than tropical storm force.

Tropical Storm Fernand will move through an environment that will be unfavorable for intensification of a tropical storm during the next 24 hours.  Fernand will move over water where the Sea Surface Temperatures are near 25°C.  The upper level wind ridge over the North Atlantic will continue to cause moderate vertical wind shear.  The combination of cooler water and vertical wind shear will prevent Tropical Storm Fernand from intensifying during the next 24 hours.

Tropical Storm Fernand will move around the northern side of a high pressure system over the Atlantic Ocean.  The high pressure system will steer Fernand toward the east-northeast during the next 24 hours.  On its anticipated track, Tropical Storm Fernand will remain far to the southeast of Newfoundland on Wednesday.

Tropical Storm Fernand Starts to Weaken

Tropical Storm Fernand started to weaken on Monday evening.  At 11:00 p.m. EDT on Monday the center of Tropical Storm Fernand was located at latitude 36.1°N and longitude 56.3°W which put the center about 550 miles (890 km) east-northeast of Bermuda.  Fernand was moving toward the northeast at 13 m.p.h. (21 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. 1095 km/h).  The minimum surface pressure was 1002 mb.

Tropical Storm Fernanda started to weaken on Monday evening as it moved over the Atlantic Ocean east-northeast of Bermuda.  Fernand moved under the southeastern part of an upper level ridge over the North Atlantic.  The upper level ridge produced northerly winds that blew across the top of Fernand’s circulation.  Those winds caused moderate vertical wind shear.  The vertical wind shear caused the distribution of thunderstorms in Tropical Storm Fernand to become asymmetrical.  Thunderstorms were still occurring in bands in the southeastern part of Fernand’s circulation.  Bands in the other parts of Tropical Storm Fernand consisted primarily of showers and lower clouds.

The circulation around Tropical Storm Fernand was small.  Winds to tropical storm force extended out 80 miles (130 km) from the center of Fernand’s circulation.

Tropical Storm Fernand will move through an environment that will be unfavorable for intensification during the next 24 hours.  Fernand will move over water where the Sea Surface Temperatures are near 26°C.  However, the upper level wind ridge over the North Atlantic will continue to cause moderate vertical wind shear.  The vertical wind shear will cause Tropical Storm Fernand to weaken during the next 24 hours.

Tropical Storm Fernand will move around the northwestern side of a high pressure system over the Atlantic Ocean.  The high pressure system will steer Fernand toward the northeast during the next 24 hours.  On its anticipated track, Tropical Storm Fernand will pass well to the south of Newfoundland on Tuesday.

Tropical Storm Fernand Passes East of Bermuda

Tropical Storm Fernand passed east of Bermuda on Sunday.  At 5:00 p.m. EDT on Sunday the center of Tropical Storm Fernand was located at latitude 31.8°N and longitude 59.8°W which put the center about 295 miles (475 km) east of Bermuda.  Fernand was moving toward the north-northeast at 13 m.p.h. (21 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 1009 mb.

Tropical Storm Fernand strengthened gradually on Sunday as it passed east of Bermuda.  More thunderstorms developed near the center of Fernand’s circulation.  More thunderstorms also formed in bands revolving around the center of Tropical Storm Fernand.  Storms near the center of Fernand generated upper level divergence that pumped more mass away from the tropical storm.

The strongest winds were blowing in the eastern side of Tropical Storm Fernand.  Winds to tropical storm force extended out 60 miles (95 km) in the eastern side of Fernand’s circulation.  The winds in the western side of Fernand were blowing at less than tropical storm force.

Tropical Storm Fernand will move through an environment favorable for intensification during the next 24 hours.  Fernand will move over water where the Sea Surface Temperatures are near 28°C.  It will move under the eastern side of an upper level trough that is east of the U.S.  The upper level trough will produce westerly winds that will blow toward the top of Fernand’s circulation.  Those winds will cause some vertical wind shear.  The vertical wind shear will inhibit intensification, but the wind shear will not be enough to prevent intensification.  Tropical Storm Fernand will intensify during the next 24 hours.

The upper level trough that is east of the U.S. will steer Tropical Storm Fernand toward the northeast during the next 24 hours.  On its anticipated track, Tropical Storm Fernand move farther away from Bermuda on Monday.

Tropical Storm Fernand Forms South-southeast of Bermuda

Tropical Storm Fernand formed over the Atlantic Ocean south-southeast of Bermuda on Saturday afternoon.  At 5:00 p.m. EDT on Saturday the center of Tropical Storm Fernand was located at latitude 27.2°N and longitude 61.4°W which put the center about 405 miles (655 km) south-southeast of Bermuda.  Fernand was moving toward the north at 15 m.p.h. (24 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 1010 mb.

A low pressure system over the Atlantic Ocean south-southeast of Bermuda exhibited more organization on Saturday afternoon and the U.S. National Hurricane Center designated the system as Tropical Storm Fernand.

The distribution of thunderstorms in Tropical Storm Fernand was asymmetrical.  A few thunderstorms were occurring in bands in the eastern side of Fernand’s circulation.  Bands in the other parts of Tropical Storm Fernand consisted primarily of showers and lower clouds.

The distribution of winds speeds in Tropical Storm Fernand was also asymmetrical.  Winds to tropical storm force extended out 105 miles (165 km) in the southeastern quadrant of Fernand’s circulation.  The winds in the other parts of Tropical Storm Fernand were blowing at less than tropical storm force.

Tropical Storm Fernand will move through an environment somewhat favorable for intensification during the next 24 hours.  Fernand will move over water where the Sea Surface Temperatures are near 29°C.  It will move under the eastern side of an upper level trough off the east coast of the U.S.  The upper level trough will produce westerly winds that will blow toward the top of Fernand’s circulation.  Those winds will cause moderate vertical wind shear.  Fernand will move into a region of drier air.  The moderate vertical wind shear and the drier air will inhibit intensification.  Tropical Storm Fernand could intensify slowly on Sunday in spite of the moderate wind shear and drier air.

Tropical Storm Fernand will move around the western end of a subtropical high pressure system.  The high pressure system will steer Fernand toward the north-northeast during the next 24 hours.  On its anticipated track, Tropical Storm Fernand will pass east of Bermuda on Sunday.

Tropical Storm Gordon Forms East of Leeward Islands

Tropical Storm Gordon formed east of the Leeward Islands on Friday morning.  At 11:00 a.m. EDT on Friday the center of Tropical Storm Gordon was located at latitude 19.4°N and longitude 38.6°W which put the center about 1640 miles (2650 km) east of the Leeward Islands.  Gordon was moving toward the west-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. (80 km/h).  The minimum surface pressure was 1006 mb.

A low pressure system over the Atlantic Ocean between the Leeward Islands and the Cabo Verde Islands strengthened on Friday morning and the U.S. National Hurricane Center designated the system as Tropical Storm Gordon.  The distribution of thunderstorms in Gordon’s circulation was asymmetrical.  Thunderstorms were occurring in bands in the eastern side of Tropical Storm Gordon.  Bands in the western side of Gordon’s circulation consisted primarily of showers and lower clouds.

The distribution of winds speeds around Tropical Storm Gordon was also asymmetrical.  Winds to tropical storm force extended out 60 miles (95 km) in the eastern side of Gordon’s circulation.  The winds in the western side of Tropical Storm Gordon were blowing at less than tropical storm force.

Tropical Storm Gordon will move through an environment mostly unfavorable for intensification during the next 24 hours.  Gordon will move over water where the Sea Surface Temperatures are near 27°C.  It will move under the southeastern part of an upper level ridge over the subtropical Atlantic Ocean.  The upper level ridge will produce northeasterly winds that will blow toward the top of Gordon’s circulation.  Those winds will cause moderate vertical wind shear.  Gordon will also move through a region of very dry air.  The dry air will make if difficult for new thunderstorms to develop.  Tropical Storm Gordon could weaken to a tropical depression during the weekend because of the dry air.

Tropical Storm Gordon will move around the south side of the subtropical high pressure system will steer Gordon to the west during the next 24 hours.  On its anticipated track, Tropical Storm Gordon will remain far to the east of the Leeward Islands during the weekend.

Elsewhere, the circulation of former Hurricane Francine was meandering over the Lower Mississippi River Valley.  At 11:00 a.m. EDT on Friday the center of Tropical Depression Francine was located at latitude 35.8°N and longitude 91.4°W which put the center about 80 miles (130 km) north-northeast of Little Rock, Arkansas.  Francine was moving toward the southeast at 3 m.p.h. (5 km/h).  The maximum sustained wind speed was 15 m.p.h. (25 km/h) and there were wind gusts to 25 m.p.h. (40 km/h).  The minimum surface pressure was 1005 mb.

Hurricane Francine Brings Wind and Rain to Southeast Louisiana

Hurricane Francine brought wind and rain to southeast Louisiana on Wednesday evening.  Francine weakened to a tropical storm after it moved inland.  At 11:00 p.m. EDT on Wednesday the center of Tropical Storm Francine was located at latitude 30.2°N and longitude 90.6°W which put the center about 35 miles (55 km) west-northwest of New Orleans, Louisiana.  Francine was moving toward the northeast at 16 m.p.h. (26 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 982 mb.

A Tropical Storm Warning is in effect for the portion of the coast from Intracoastal City, Louisiana to the Alabama/Florida border.  The Tropical Storm Warning includes New Orleans, Lake Pontchartrain and Lake Maurepas.

Francine was a Category 2 Hurricane on the Saffir-Simpson Scale at the time of landfall.  The maximum sustained wind speed at that time was 100 m.p.h. (160 km/h).  At the time of landfall winds to hurricane force extended out 40 miles (65 km) from the center of Francine’s circulation.  Winds to tropical storm force extended out 140 miles (220 km) from the center of circulation.

The Hurricane Intensity Index (HII) at landfall was 16.5.  The Hurricane Size Index (HSI) was 13.7 and the Hurricane Wind Intensity Size Index (HWISI) was 30.2.  Hurricane Francine was similar in intensity to Hurricane Idalia when Idalia hit Florida in 2023.  Francine was larger than Idalia was.

The center of Hurricane Francine made landfall on the coast of Louisiana south-southwest of Morgan City.  The center passed near a NOAA National Ocean Service Station north of Eugene Island, Louisiana (EINL1).  The station reported a sustained wind speed of 75 m.p.h. (120 km/h) and a wind gust of 105 m.p.h. (169 km/h).  The station reported a surface pressure of 976.0 mb.

The center of former Hurricane Francine passed west of New Orleans.  Francine dropped heavy rain over many parts of southeast Louisiana.  Flash Flood Warnings were issued for several parishes.  A weather station at the Louis Armstrong International Airport received 6.98 inches (177.3 mm) of rain.  A weather station at New Orleans Lakefront Airport reported 4.58 inches (116.3 mm) or rain.  Heavy rain was beginning to fall over parts of southern Mississippi.

Southerly winds were still pushing water toward the coast of southeast Louisiana and the coast of Mississippi.  Those winds were causing a storm surge along the coast.

A Storm Surge Warning in in effect for the portion of the coast from Avery Island, Louisiana to the Mississippi/Alabama border.  The Storm Surge Warning includes Vermilion Bay, Lake Pontchartrain and Lake Maurepas.

Tropical Storm Francine will move between a high pressure system that extends from the western Atlantic Ocean to the Gulf of Mexico and an upper level trough over the South Central U.S.  The high pressure system and the upper level trough will steer Francine toward the north-northeast during the next 24 hours.  On its anticipated track, the center of Tropical Storm Francine will move across Mississippi on Thursday.

Tropical Storm Francine will continue to weaken as it moves farther inland.  Even though Francine will weaken it will bring strong winds and heavy rain to southeastern Louisiana, Mississippi, South Alabama and Northwest Florida.  Heavy rain is likely to cause floods in some locations.

Flood Watches are in effect for parts of Louisiana, Mississippi, Alabama and Northwest Florida.

 

Hurricane Francine Strengthens to Cat. 2

Hurricane Francine strengthened to Category 2 on the Saffir-Simpson Scale on Wednesday afternoon as it neared southeast Louisiana.  At 5:00 p.m. EDT on Wednesday the center of Hurricane Francine was located at latitude 29.2°N and longitude 91.5°W which put the center about 40 miles (65 km) south-southwest of Morgan City, Louisiana.  Francine was moving toward the northeast at 17 m.p.h. (28 km/h).  The maximum sustained wind speed was 100 m.p.h. (160 km/h) and there were wind gusts to 120 m.p.h. (195 km/h).  The minimum surface pressure was 972 mb.

A Hurricane Warning is in effect for the portion of the coast from the Vermilion/Cameron Parish Line to Grand Isle, Louisiana

A Hurricane Watch is in effect for New Orleans, Lake Pontchartrain and Lake Maurepas.

A Tropical Storm Warning is in effect for the portion of the coast from Cameron to the Vermilion/Cameron Parish Line, Louisiana.  A Tropical Storm Warning is in effect for the portion of the coast from Grand Isle, Louisiana to the Alabama/Florida border.  The Tropical Storm Warning includes New Orleans, Lake Pontchartrain and Lake Maurepas.

Data from reconnaissance aircraft in Hurricane Francine on Wednesday afternoon indicated that Francine had strengthened to a Category 2 Hurricane.  A large circular eye with a diameter of 45 miles (75 km) was at the center of Francine’s circulation.  The eye was surrounded by a broken ring of thunderstorms and the strongest winds were occurring in that ring of storms.  Thunderstorms were occurring in bands in the northern and eastern sides of Francine’s circulation.  Bands in the southern and western sides of Hurricane Francine consisted primarily of showers and lower clouds.

The center of Hurricane Francine appeared to wobble slightly to the east as it approached the coast of Louisiana.  The northern part of the eyewall  of Hurricane Francine was moving over the coast of southeast Louisiana south of Morgan City.  A NOAA National Ocean Service station north of Eugene Island, Louisiana (EINL1) reported a sustained wind speed of 75 m.p.h. (120 km/h) and a wind gust of 99 m.p.h. ((160 km/h).  The station reported a surface pressure of 981.4 mb.

The strongest winds were occurring southeast of the center of Hurricane Francine.  Winds to hurricane force extended out 40 miles (65 km) from the center of Francine’s circulation.  Winds to tropical storm force extended out 140 miles (220 km) from the center of Hurricane Francine.

The Hurricane Intensity Index (HII) was 16.5.  The Hurricane Size Index (HSI) was 13.7 and the Hurricane Wind Intensity Size Index (HWISI) was 30.2.  Hurricane Francine was similar in intensity to Hurricane Idalia when Idalia hit Florida in 2023.  Francine was larger than Idalia was.

Hurricane Francine will move between a high pressure system that extends from the western Atlantic Ocean to the Gulf of Mexico and an upper level trough over the South Central U.S,  The high pressure system and the upper level trough will steer Francine toward the northeast during the next 24 hours.  On its anticipated track, the center of Hurricane Francine will make landfall on the southeast coast of Louisiana late during the next several hours.  Francine will move across southeast Louisiana on Wednesday night.

Hurricane Francine will bring strong winds and heavy rain to Louisiana.  Heavy rain was already falling on many places in southeast Louisiana.  Francine will be capable of causing serious damage.  Widespread outages of electricity are likely.  Heavy rain is likely to cause floods.  The heaviest rain will fall as the center of Francine’s circulation approaches a given location.   Hurricane Francine will also drop heavy rain over parts of Mississippi, South Alabama and Northwest Florida as it moves inland.

Flood Watches are in effect for parts of Louisiana, Mississippi, Alabama and Northwest Florida.

Hurricane Francine could cause a storm surge of up to 10 feet (3 meters) along parts of the coast of Louisiana.  The highest surge will occur just to the east of where the center of Francine makes landfall in southeast Louisiana.  The storm surge will continue after the center of Hurricane Francine makes landfall because southerly winds will continue to push water toward the coast.

A Storm Surge Warning is in effect for the portion of the coast from Cameron/Vermilion Parish Line, Louisiana to the Mississippi/Alabama border.  The Storm Surge Warning includes Vermilion Bay, Lake Pontchartrain and Lake Maurepas.

 

Hurricane Francine Nears Louisiana

Hurricane Francine neared the coast of Louisiana on Wednesday morning.  At 11:00 a.m. EDT on Wednesday the center of Hurricane Francine was located at latitude 28.0°N and longitude 92.7°W which put the center about 150 miles (240 km) southwest of Morgan City, Louisiana.  Francine was moving toward the northeast at 13 m.p.h. (20 km/h).  The maximum sustained wind speed was 90 m.p.h. (145 km/h) and there were wind gusts to 105 m.p.h. (165 km/h).  The minimum surface pressure was 976 mb.

A Hurricane Warning is in effect for the portion of the coast from the Vermilion/Cameron Line to Grand Isle, Louisiana

A Hurricane Watch is in effect for New Orleans, Lake Pontchartrain and Lake Maurepas.

A Tropical Storm Warning is in effect for the portion of the coast from Sabine Pass to the Vermilion/Cameron Line, Louisiana.  A Tropical Storm Warning is in effect for the portion of the coast from Grand Isle, Louisiana to the Alabama/Florida border.  The Tropical Storm Warning includes New Orleans, Lake Pontchartrain and Lake Maurepas.

Hurricane Francine maintained its intensity as it moved closer to the coast of Louisiana on Wednesday morning.  An upper level trough over the South Central U.S. was producing southwesterly winds that were blowing toward the top of Francine’s circulation.  Those winds were causing the vertical wind shear to increase.  In addition, the circulation around the western side of Hurricane Francine was pulling drier air into the southern part of Francine’s circulation.  Francine maintained its intensity even with the effects of the increased wind shear and drier air.

The effect of the vertical wind shear and the drier air also affected the structure of Hurricane Francine.  A large circular eye with a diameter of 45 miles (75 km) was at the center of Francine’s circulation.  The eye was surrounded by a broken ring of thunderstorms and the strongest winds were occurring in that ring of storms.  The break in the ring of thunderstorms was south of the eye of Hurricane Francine.  Storms near the center of Francine generated upper level divergence that pumped mass away to the northeast of the hurricane.  The removal of mass in the upper levels almost balanced the inflow of mass in the lower levels and the surface pressure remained nearly steady.

The wind shear and drier air also affect the distribution of thunderstorms in Hurricane Francine.  Thunderstorms were occurring in bands in the northern and eastern sides of Francine’s circulation.  Bands in the southern and western sides of Hurricane Francine consisted primarily of showers and lower clouds.

The size of the circulation around Hurricane Francine remained steady.  Winds to hurricane force extended out 40 miles (65 km) from the center of Francine’s circulation.  Winds to tropical storm force extended out 115 miles (185 km) from the center of Hurricane Francine.

The Hurricane Intensity Index (HII) for Hurricane Francine was 13.9.  The Hurricane Size Index (HSI) was 13.5 and the Hurricane Wind Intensity Size Index (HWISI) was 27.4.  Hurricane Francine was similar in size and intensity to Hurricane Hanna when Hanna hit South Texas in 2020.

Hurricane Francine will move through an environment marginally favorable for intensification during the next 18 hours.  Francine will move over water where the Sea Surface Temperatures are near 30°C.  However, the upper level trough over the South Central U.S. will cause moderate vertical wind shear.  The drier air in the southern half of Francine’s circulation will also inhibit intensification.  Hurricane Francine is likely to maintain its current intensity during the next few hours until it reaches Louisiana.

Hurricane Francine will move between a high pressure system that extends from the western Atlantic Ocean to the Gulf of Mexico and the upper level trough over the South Central U.S,  The high pressure system and the upper level trough will steer Francine toward the northeast during the next 24 hours.  On its anticipated track, the center of Hurricane Francine will make landfall on the southeast coast of Louisiana late on Wednesday afternoon.

Hurricane Francine will bring strong winds and heavy rain to Louisiana. Francine will be capable of causing serious damage. Widespread outages of electricity are likely. Heavy rain is likely to cause flash floods.  The heaviest rain will fall as the center of Francine’s circulation approaches a given location.  Hurricane Francine will also drop heavy rain over parts of Mississippi, South Alabama and Northwest Florida as it moves inland.

Flood Watches are in effect for parts of Louisiana, Mississippi, South Alabama and Northwest Florida.

Hurricane Francine could cause a storm surge of up to 10 feet (3 meters) along parts of the coast of Louisiana.  The highest surge will occur just to the east of where the center of Francine makes landfall in southeast Louisiana.  The storm surge will continue after the center of Hurricane Francine makes landfall because southerly winds will continue to push water toward the coast.

A Storm Surge Warning is in effect for the portion of the coast from Cameron, Louisiana to the Mississippi/Alabama border.  The Storm Surge Warning includes Vermilion Bay, Lake Pontchartrain and Lake Maurepas.

 

Francine Strengthens to a Hurricane Southwest of Louisiana

Former Tropical Storm Francine strengthened to a hurricane southwest of Louisiana on Tuesday evening.  At 11:00 p.m. EDT on Tuesday the center of Hurricane Francine was located at latitude 26.4°N and longitude 94.3°W which put the center about 295 miles (475 km) southwest of Morgan City, Louisiana.  Francine was moving toward the northeast at 10 m.p.h. (16 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 979 mb.

A Hurricane Warning is in effect for the portion of the coast from the Vermilion/Cameron Line to Grand Isle, Louisiana

A Hurricane Watch is in effect for New Orleans, Lake Pontchartrain and Lake Maurepas.

A Tropical Storm Warning is in effect for the portion of the coast from Sabine Pass to the Vermilion/Cameron Line, Louisiana.  A Tropical Storm Warning is in effect for the portion of the coast from Grand Isle, Louisiana to the Alabama/Florida border.  The Tropical Storm Warning includes New Orleans, Lake Pontchartrain and Lake Maurepas.

Reconnaissance aircraft from the U.S. Air Force Reserve and NOAA found that former Tropical Storm Francine had intensified to a hurricane on Tuesday evening.  An eye with a diameter of 15 miles (24 km) was at the center of Hurricane Francine.  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 core of Francine’s circulation.  Storms near the core generated upper level divergence that pumped more mass away from the hurricane.  The removal of more mass caused the surface pressure to decrease more rapidly.

The strongest winds were occurring in the eastern side of Hurricane Francine.  Winds to hurricane force extended out 35 miles (55 km) in the eastern side of Francine’s circulation.  Winds to tropical storm force extended out 115 miles (185 km) from the center of Hurricane Francine.

Hurricane Francine will move through an environment very favorable for intensification during the next 18 hours.  Francine 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.  The upper level winds are weak near the middle of the ridge and there will be little vertical wind shear.  Hurricane Francine will intensify during the next 18 hours.  Francine could intensify rapidly at times now that there is an inner core.

Hurricane Francine will move between a high pressure system that extends from the western Atlantic Ocean to the Gulf of Mexico and an upper level trough over the South Central U.S,  The high pressure system and the upper level trough will steer Francine toward the northeast during the next 24 hours.  On its anticipated track, the center of Hurricane Francine will make landfall on the southeast coast of Louisiana late on Wednesday afternoon.

Hurricane Francine will bring strong winds and heavy rain to Louisiana.   Francine will be capable of causing serious damage.   Widespread outages of electricity are likely.  Heavy rain is likely to cause flash floods.  Hurricane Francine will also drop heavy rain over parts of Mississippi, South Alabama and Northwest Florida as it moves inland.

Flood Watches are in effect for parts of Louisiana, Mississippi, South Alabama and Northwest Florida.

Hurricane Francine could cause a storm surge of up to 10 feet (3 meters) along parts of the coast of Louisiana.

A Storm Surge Warning is in effect for the portion of the coast from Cameron, Louisiana to the Mississippi/Alabama border.  The Storm Surge Warning includes Vermilion Bay, Lake Pontchartrain and Lake Maurepas.

A Storm Surge Watch is in effect for the portion of the coast from the Mississippi/Alabama border to the Alabama/Florida border.  The Storm Surge Watch includes Mobile Bay.