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Hurricane Delta Public Advisory Number 16A
2020-10-08 19:42:22| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Thu Oct 08 2020 000 WTNT31 KNHC 081742 TCPAT1 BULLETIN Hurricane Delta Intermediate Advisory Number 16A NWS National Hurricane Center Miami FL AL262020 100 PM CDT Thu Oct 08 2020 ...DELTA MOVING NORTHWESTWARD ACROSS THE WESTERN GULF OF MEXICO... ...HURRICANE CONDITIONS AND LIFE-THREATENING STORM SURGE EXPECTED TO BEGIN ALONG PORTIONS OF THE NORTHERN GULF COAST ON FRIDAY... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...24.4N 93.1W ABOUT 370 MI...595 KM S OF CAMERON LOUISIANA MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 13 MPH...21 KM/H MINIMUM CENTRAL PRESSURE...966 MB...28.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * High Island Texas to Ocean Springs Mississippi including Calcasieu Lake, Vermilion Bay, Lake Pontchartrain, Lake Maurepas, and Lake Borgne A Hurricane Warning is in effect for... * High Island Texas to Morgan City Louisiana A Tropical Storm Warning is in effect for... * West of High Island to San Luis Pass Texas * East of Morgan City Louisiana to the mouth of the Pearl River, including New Orleans * Lake Pontchartrain and Lake Maurepas A Tropical Storm Watch is in effect for... * East of the mouth of the Pearl River to Bay St. Louis Mississippi A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. A warning is typically issued 36 hours before the anticipated first occurrence of tropical-storm- force winds, conditions that make outside preparations difficult or dangerous. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Hurricane Delta was located near latitude 24.4 North, longitude 93.1 West. Delta is moving toward the northwest near 13 mph (21 km/h), and this motion with a reduction in forward speed is expected this afternoon. A turn toward the north is forecast to occur by late tonight, followed by a north-northeastward motion by Friday afternoon or Friday night. On the forecast track, the center of Delta will move over the western Gulf of Mexico this afternoon, over the northwestern Gulf of Mexico on Friday, and then move inland within the hurricane warning area Friday afternoon or Friday night. Maximum sustained winds are near 105 mph (165 km/h) with higher gusts. Strengthening is forecast, and Delta is expected to become a major hurricane again by tonight. Some weakening is possible as Delta approaches the northern Gulf coast on Friday, with rapid weakening expected after the center moves inland. Hurricane-force winds extend outward up to 35 miles (55 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). The latest minimum central pressure estimated from Air Force Reserve Hurricane Hunter aircraft data is 966 mb (28.53 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Delta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT1, WMO header WTNT41 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT1.shtml. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Rockefeller Wildlife Refuge, LA to Port Fourchon, LA including Vermilion Bay...7-11 ft Holly Beach, LA to Rockefeller Wildlife Refuge, LA...4-7 ft Port Fourchon, LA to the Mouth of the Mississippi River...4-6 ft Sabine Pass to Holly Beach, LA...3-5 ft Calcasieu Lake...3-5 ft High Island, TX to Sabine Pass...2-4 ft Mouth of the Mississippi River to Ocean Springs, MS...2-4 ft Lake Borgne, Lake Pontchartrain, and Lake Maurepas...2-4 ft Ocean Springs, MS to the AL/FL border including Mobile Bay...1-3 ft Sabine Lake...1-3 ft Port O'Connor, TX to High Island, TX including Galveston Bay... 1-3 ft The deepest water will occur along the immediate coast near and to the east of the landfall location, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane conditions are expected within the hurricane warning area by Friday afternoon or evening, with tropical storm conditions expected within this area by early Friday. Tropical storm conditions are expected within the tropical storm warning areas on Friday, and are possible in the tropical storm watch area Friday night. RAINFALL: Friday through Saturday, Delta is expected to produce 5 to 10 inches of rain, with isolated maximum totals of 15 inches, from southwest into south-central Louisiana. These rainfall amounts will lead to significant flash, urban, small stream flooding, along with minor to isolated moderate river flooding. For extreme east Texas into northern Louisiana, southern Arkansas and western Mississippi, Delta is expected to produce 3 to 6 inches of rain, with isolated maximum totals of 10 inches. These rainfall amounts will lead to flash, urban, small stream and isolated minor river flooding. As Delta moves farther inland, 1 to 3 inches of rain, with locally higher amounts, are expected in the Ohio Valley and Mid Atlantic this weekend. TORNADOES: A few tornadoes are possible late tonight through Friday over southern parts of Louisiana and Mississippi SURF: Swells from Delta will begin to affect portions of the northern and western Gulf coast later today. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Beven
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Tropical Storm Beta Public Advisory Number 16A
2020-09-21 20:06:51| National Hurricane Center (Atlantic)
Issued at 100 PM CDT Mon Sep 21 2020 000 WTNT32 KNHC 211806 CCA TCPAT2 BULLETIN Tropical Storm Beta Intermediate Advisory Number 16A...Corrected NWS National Hurricane Center Miami FL AL222020 100 PM CDT Mon Sep 21 2020 Corrected distance from Freeport in Summary section ...BETA GETTING CLOSER TO THE COAST OF CENTRAL TEXAS... ...RAIN BANDS WITH TROPICAL-STORM-FORCE WIND GUSTS SPREADING ONSHORE THE CENTRAL AND UPPER TEXAS COASTAL AREAS... SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION ---------------------------------------------- LOCATION...28.1N 96.0W ABOUT 45 MI...75 KM SE OF PORT OCONNOR TEXAS ABOUT 65 MI...110 KM SSW OF FREEPORT TEXAS MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The Storm Surge Warning between Sabine Pass, TX and Rockefeller Wildlife Refuge, Louisiana has been discontinued. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Port Aransas, Texas to Sabine Pass, Texas including Copano Bay, Aransas Bay, San Antonio Bay, Matagorda Bay, and Galveston Bay. A Tropical Storm Warning is in effect for... * Port Aransas Texas to Morgan City Louisiana A Tropical Storm Watch is in effect for... * Baffin Bay to Port Aransas Texas A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 36 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 100 PM CDT (1800 UTC), the center of Tropical Storm Beta was located by NOAA Doppler weather radars and surface observations near latitude 28.1 North, longitude 96.0 West. Beta is moving toward the west-northwest near 7 mph (11 km/h), and this general motion is forecast to continue today. A decrease in forward speed and a sharp turn to the north and northeast are expected on Tuesday. On the forecast track, the center of Beta will continue to move toward the central coast of Texas today and will likely move inland by tonight. Beta is forecast to remain close to the coast of southeastern Texas on Tuesday and Wednesday. Recent data from an Air Force Reserve reconnaissance aircraft and with Doppler weather radars indicate that maximum sustained winds have decreased to near 45 mph (75 km/h) with higher gusts. Little change in strength is forecast before Beta reaches the Texas coast. Weakening is anticipated once Beta moves inland. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. A Texas TCOON observing site at Port O'Connor, Texas, has recently measured a wind gust to 43 mph (69 km/h). A NOAA buoy located just east of Galveston, Texas, has recently reported a wind gust to 43 mph (66 km/h). The estimated minimum central pressure based on recent data from the reconnaissance aircraft is 999 mb (29.50 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Beta can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT2 and WMO header WTNT42 KNHC. STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Port Aransas, TX to Sabine Pass, TX including Copano Bay, Aransas Bay, San Antonio Bay, Matagorda Bay, and Galveston Bay...2-4 ft Sabine Pass, TX to Ocean Springs, MS including Sabine Lake, Lake Calcasieu, Vermilion Bay, Lake Borgne, Lake Pontchartrain, and Lake Maurepas...1-3 ft Baffin Bay, TX to Port Aransas, TX including Corpus Christi Bay and Baffin Bay... 1-3 ft Mouth of the Rio Grande to Baffin Bay, TX...1-2 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions are expected to begin later this morning in portions of the tropical storm warning area. Tropical storm conditions are possible within the tropical storm watch area later today. RAINFALL: Through Friday, Beta is expected to produce rainfall accumulations of 5 to 10 inches with isolated totals of 15 inches from the middle Texas coast to southeast Louisiana. Rainfall totals of 3 to 5 inches are expected northward into the ArkLaTex region and east into the Lower Mississippi Valley through the end of the week. Flash and urban flooding is likely, as well as isolated minor river flooding. TORNADOES: A tornado or two could occur today and tonight, near the middle to upper Texas coast or the southwestern Louisiana coast. SURF: Swells generated by a combination of Beta and a cold front over the northern Gulf of Mexico will continue along the coasts of Louisiana and Texas during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 400 PM CDT. $$ Forecaster Stewart
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Hurricane Sally Public Advisory Number 16A
2020-09-15 13:44:57| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Tue Sep 15 2020 562 WTNT34 KNHC 151144 TCPAT4 BULLETIN Hurricane Sally Intermediate Advisory Number 16A NWS National Hurricane Center Miami FL AL192020 700 AM CDT Tue Sep 15 2020 ...HISTORIC FLOODING IS POSSIBLE FROM SALLY WITH EXTREME LIFE- THREATENING FLASH FLOODING LIKELY THROUGH WEDNESDAY ALONG PORTIONS OF THE NORTHERN GULF COAST... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...29.1N 88.0W ABOUT 65 MI...110 KM E OF THE MOUTH OF THE MISSISSIPPI RIVER ABOUT 105 MI...170 KM SSE OF BILOXI MISSISSIPPI MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 2 MPH...4 KM/H MINIMUM CENTRAL PRESSURE...982 MB...29.00 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for... * Mouth of the Mississippi River to the Okaloosa/Walton County Line Florida * Mobile Bay A Hurricane Warning is in effect for... * East of the Mouth of the Pearl River to Navarre Florida A Tropical Storm Warning is in effect for... * East of Navarre Florida to Indian Pass Florida * Mouth of the Pearl River westward to Grand Isle Louisiana, including Lake Pontchartrain and Lake Maurepas and metropolitan New Orleans A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Hurricane Warning means that hurricane conditions are expected somewhere within the warning area. Preparations to protect life and property should be rushed to completion. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area within 36 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Hurricane Sally was located near latitude 29.1 North, longitude 88.0 West. Sally is moving toward the northwest near 2 mph (4 km/h), and this general motion is expected to continue this morning. A northward turn is expected this afternoon, followed by a slow north-northeastward to northeastward motion tonight and continuing through Wednesday night. On the forecast track, the center of Sally will pass near the coast of southeastern Louisiana today, and make landfall in the hurricane warning area tonight or Wednesday morning. Maximum sustained winds are near 85 mph (140 km/h) with higher gusts. Although little change in strength is forecast until landfall occurs, Sally is still expected to be a dangerous hurricane when it moves onshore along the north-central Gulf coast. Hurricane-force winds extend outward up to 45 miles (75 km) from the center and tropical-storm-force winds extend outward up to 125 miles (205 km). The estimated minimum central pressure based on data from the Air Force Hurricane Hunter aircraft is 982 mb (29.00 inches). HAZARDS AFFECTING LAND ---------------------- Key messages for Sally can be found in the Tropical Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC, and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Ocean Springs, MS to Dauphin Island, AL including Mobile Bay...6-9 ft Mouth of the Mississippi River to Ocean Springs, MS including Lake Borgne...4-7 ft Dauphin Island, AL to AL/FL Border...4-7 ft AL/FL Border to Okaloosa/Walton County Line, FL including Pensacola Bay and Choctawhatchee Bay...2-4 ft Lake Pontchartrain and Lake Maurepas...2-4 ft Port Fourchon, LA to Mouth of the Mississippi River...1-3 ft Okaloosa/Walton County Line to Chassahowitzka, FL including Saint Andrew Bay...1-3 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and damaging waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Hurricane conditions are expected to begin within the hurricane warning area this late afternoon or tonight. Tropical storm conditions are occurring in portions of the warning area across the western Florida Panhandle and Alabama, and these conditions will gradually spread westward this morning and continue into Wednesday. RAINFALL: Sally is expected to be a slow moving system as it approaches land producing 10 to 20 inches of rainfall with isolated amounts of 30 inches along and just inland of the central Gulf Coast from the western Florida Panhandle to far southeastern Mississippi. Historic flooding is possible with extreme life-threatening flash flooding likely through Wednesday. In addition, this rainfall will lead to widespread moderate to major flooding on area rivers. Sally is forecast to move inland early Wednesday and move across the Southeast producing rainfall of 4 to 8 inches, with isolated maximum amounts of 12 inches, across portions of southeastern Mississippi, southern and central Alabama, northern Georgia, and the western Carolinas. Significant flash and urban flooding is likely, as well as widespread minor to moderate flooding on some rivers. TORNADOES: A tornado or two will be possible this morning in coastal areas of the Florida Panhandle and Alabama. The tornado threat should increase and slowly spread inland the rest of today into Wednesday. SURF: Swells from Sally will continue to affect the coast from the Florida Big Bend westward to southeastern Louisiana during the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Brown
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Tropical Storm Marco Public Advisory Number 16A
2020-08-24 13:55:14| National Hurricane Center (Atlantic)
Issued at 700 AM CDT Mon Aug 24 2020 000 WTNT34 KNHC 241155 TCPAT4 BULLETIN Tropical Storm Marco Intermediate Advisory Number 16A NWS National Hurricane Center Miami FL AL142020 700 AM CDT Mon Aug 24 2020 ...MARCO PRODUCING HEAVY RAINFALL AND GUSTY WINDS ALONG PORTIONS OF THE NORTHERN GULF COAST... SUMMARY OF 700 AM CDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...28.1N 88.4W ABOUT 85 MI...135 KM SSE OF THE MOUTH OF THE MISSISSIPPI RIVER MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H PRESENT MOVEMENT...NW OR 325 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Storm Surge Warning is in effect for.... * Morgan City Louisiana to Ocean Springs Mississippi * Lake Borgne A Tropical Storm Warning is in effect for... * Intracoastal City to the Mississippi/Alabama border * Lake Pontchartrain, Lake Maurepas, and Metropolitan New Orleans A Storm Surge Warning means there is a danger of life-threatening inundation, from rising water moving inland from the coastline, during the next 36 hours in the indicated locations. For a depiction of areas at risk, please see the National Weather Service Storm Surge Watch/Warning Graphic, available at hurricanes.gov. This is a life-threatening situation. Persons located within these areas should take all necessary actions to protect life and property from rising water and the potential for other dangerous conditions. Promptly follow evacuation and other instructions from local officials. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within 12 to 24 hours. For storm information specific to your area, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. DISCUSSION AND OUTLOOK ---------------------- At 700 AM CDT (1200 UTC), the center of Tropical Storm Marco was located near latitude 28.1 North, longitude 88.4 West. Marco is moving toward the northwest near 10 mph (17 km/h). Marco is forecast to approach the coast of Louisiana this afternoon, and then turn westward and move very close to the coast of Louisiana through Tuesday night. Data from an Air Force Reserve Hurricane Hunter aircraft indicate that maximum sustained winds have decreased to near 50 mph (80 km/h) with higher gusts. Further weakening is expected, and Marco is forecast to become a tropical depression late on Tuesday and dissipate on Wednesday. Tropical-storm-force winds extend outward up to 105 miles (165 km), primarily northeast of the center. The estimated minimum central pressure is 1005 mb (29.68 inches). HAZARDS AFFECTING LAND ---------------------- STORM SURGE: The combination of a dangerous storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline. The water could reach the following heights above ground somewhere in the indicated areas if the peak surge occurs at the time of high tide... Morgan City LA to Ocean Springs MS, including Lake Borgne...2-4 ft The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and dangerous waves. Surge-related flooding depends on the relative timing of the surge and the tidal cycle, and can vary greatly over short distances. For information specific to your area, please see products issued by your local National Weather Service forecast office. WIND: Tropical storm conditions are expected to start by this afternoon in portions of the warning area. RAINFALL: Marco is expected to produce total rainfall accumulations of 3 to 5 inches with isolated maximum amounts of 10 inches across portions of the northeast and north-central Gulf coast through Tuesday. This rainfall may result in areas of flash, urban and small stream flooding in the area. SURF: Swells generated by Marco are likely to affect portions of the northern Gulf Coast for the next couple of days. These swells are likely to cause life-threatening surf and rip current conditions. Please consult products from your local weather office. TORNADOES: A couple of tornadoes will be possible today from southeast Louisiana to the western Florida Panhandle. NEXT ADVISORY ------------- Next complete advisory at 1000 AM CDT. $$ Forecaster Latto
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Tropical Storm Laura Public Advisory Number 16A
2020-08-24 01:51:05| National Hurricane Center (Atlantic)
Issued at 800 PM EDT Sun Aug 23 2020 000 WTNT33 KNHC 232351 TCPAT3 BULLETIN Tropical Storm Laura Intermediate Advisory Number 16A NWS National Hurricane Center Miami FL AL132020 800 PM EDT Sun Aug 23 2020 ...LAURA NOW LOCATED OVER EASTERN CUBA... ...HEAVY RAINS OCCURRING OVER EASTERN CUBA, HAITI, AND JAMAICA.... SUMMARY OF 800 PM EDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...20.0N 75.6W ABOUT 30 MI...55 KM W OF GUANTANAMO CUBA ABOUT 175 MI...280 KM ESE OF CAMAGUEY CUBA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WNW OR 285 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: The government of the Bahamas has discontinued the Tropical Storm Warning for Inagua and the Ragged Islands in the southeastern Bahamas. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * Entire coast of the Haiti * Little Cayman and Cayman Brac * Cuban provinces of Camaguey, Las Tunas, Holguin, Guantanamo, Santiago de Cuba, Granma, Ciego De Avila, Sancti Spiritus, Villa Clara, Cienfuegos, Matanzas, Mayabeque, La Habana, Artemisa, Pinar del Rio, and the Isle of Youth A Tropical Storm Watch is in effect for... * Florida Keys from Craig Key to Key West and the Dry Tortugas The Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area, in this case within the next 12 to 24 hours. A Tropical Storm Watch means that tropical storm conditions are possible within the watch area, in this case within the next 24 hours. For storm information specific to your area in the United States, including possible inland watches and warnings, please monitor products issued by your local National Weather Service forecast office. For storm information specific to your area outside of the United States, please monitor products issued by your national meteorological service. DISCUSSION AND OUTLOOK ---------------------- At 800 PM EDT (0000 UTC), the center of Tropical Storm Laura was located near latitude 20.0 North, longitude 75.6 West. Laura is moving toward the west-northwest near 21 mph (33 km/h), and this general motion with some decrease in forward speed is expected over the next couple of days. A turn toward the northwest is forecast by Wednesday. On the forecast track, the center of Laura will move near or over the southern coast Cuba tonight and Monday, and move over the southeastern Gulf of Mexico Monday night and Tuesday. Laura is expected to move over the central and northwestern Gulf of Mexico Tuesday night and Wednesday. The maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Little change in strength is forecast while Laura moves near the southern coast of Cuba tonight and Monday. However, strengthening is forecast after the storm moves over the Gulf of Mexico, and Laura is forecast to become a hurricane late Tuesday or Tuesday night. Tropical-storm-force winds extend outward up to 140 miles (220 km) from the center. An observation in Guantanamo Bay, Cuba, recently measured sustained winds of 35 mph (56 km/h) and a wind gust to 44 mph (71 km/h). The minimum central pressure based on surface observations is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Laura is expected to produce the following storm total rainfall accumulations through Tuesday: Dominican Republic, Haiti, Jamaica, and Cuba: 4 to 8 inches, with maximum amounts of 12 inches. Cayman Islands: 2 to 4 inches, maximum amounts of 6 inches. Florida Keys, Turks and Caicos and southeast Bahamas: 1 to 2 inches. Across the Greater Antilles this heavy rainfall could lead to life-threatening flash and urban flooding, and the potential for mudslides. By later Wednesday into Friday Laura is expected to produce rainfall of 5 to 10 inches, with isolated maximum amounts of 15 inches across portions of the west-central U.S. Gulf Coast near the Texas and Louisiana border north into portions of the lower Mississippi Valley. This rainfall could lead to flash, urban, and small stream flooding. WIND: Tropical storm conditions are expected within portions of the warning area in Haiti through this evening. Tropical storm conditions are expected within portions of the warning area in Cuba later tonight through Monday. Tropical storm conditions are expected in Little Cayman and Cayman Brac on Monday. Tropical storm conditions are possible within portions of the watch area in the Florida Keys Monday. SURF: Swells generated by Laura are affecting portions of Hispaniola, eastern Cuba, the southeastern Bahamas and the Turks and Caicos Islands. These swells are expected to spread across central and western Cuba, the central and northwestern Bahamas, and the Florida Keys on Monday. Please consult products from your local weather office. TORNADOES: An isolated tornado is possible across far southern Florida on Monday. NEXT ADVISORY ------------- Next complete advisory at 1100 PM EDT. $$ Forecaster Cangialosi
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