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Tropical Storm Marco Forecast Advisory Number 16
2020-08-24 10:55:15| National Hurricane Center (Atlantic)
Issued at 0900 UTC MON AUG 24 2020 000 WTNT24 KNHC 240855 TCMAT4 TROPICAL STORM MARCO FORECAST/ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142020 0900 UTC MON AUG 24 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WARNING FROM MORGAN CITY LOUISIANA TO THE MOUTH OF THE PEARL RIVER HAS BEEN CHANGED TO A TROPICAL STORM WARNING. THE HURRICANE WATCH FOR LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS HAS BEEN DISCONTINUED. THE TROPICAL STORM WATCHES WEST OF INTRACOASTAL CITY LOUISIANA AND FROM THE MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA BORDER HAVE BEEN DISCONTINUED. ALL STORM SURGE WATCHES HAVE BEEN DISCONTINUED. 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. TROPICAL STORM CENTER LOCATED NEAR 27.6N 88.2W AT 24/0900Z POSITION ACCURATE WITHIN 45 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 30NE 0SE 0SW 0NW. 34 KT....... 90NE 30SE 0SW 40NW. 12 FT SEAS.. 60NE 60SE 60SW 60NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 27.6N 88.2W AT 24/0900Z AT 24/0600Z CENTER WAS LOCATED NEAR 27.2N 87.9W FORECAST VALID 24/1800Z 28.6N 89.2W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 90NE 30SE 0SW 40NW. FORECAST VALID 25/0600Z 29.2N 90.8W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 50NE 30SE 0SW 30NW. FORECAST VALID 25/1800Z 29.5N 92.7W...OVER WATER MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 26/0600Z 29.4N 94.5W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 26/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 27.6N 88.2W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 24/1200Z NEXT ADVISORY AT 24/1500Z $$ FORECASTER BLAKE
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Summary for Tropical Storm Laura (AT3/AL132020)
2020-08-24 10:54:13| National Hurricane Center (Atlantic)
...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE FLORIDA KEYS... ...HEAVY RAINFALL OVER EASTERN CUBA AND JAMAICA WILL SPREAD WESTWARD ACROSS CENTRAL CUBA AND THE CAYMAN ISLANDS TODAY.... As of 5:00 AM EDT Mon Aug 24 the center of Laura was located near 20.8, -78.9 with movement WNW at 21 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 65 mph.
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Tropical Storm Laura Public Advisory Number 18
2020-08-24 10:54:13| National Hurricane Center (Atlantic)
Issued at 500 AM EDT Mon Aug 24 2020 000 WTNT33 KNHC 240854 TCPAT3 BULLETIN Tropical Storm Laura Advisory Number 18 NWS National Hurricane Center Miami FL AL132020 500 AM EDT Mon Aug 24 2020 ...TROPICAL STORM WARNING ISSUED FOR PORTIONS OF THE FLORIDA KEYS... ...HEAVY RAINFALL OVER EASTERN CUBA AND JAMAICA WILL SPREAD WESTWARD ACROSS CENTRAL CUBA AND THE CAYMAN ISLANDS TODAY.... SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.8N 78.9W ABOUT 175 MI...285 KM ESE OF CAYO LARGO ABOUT 255 MI...415 KM ESE OF THE ISLE OF YOUTH MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 21 MPH...33 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY: A Tropical Storm Warning has been issued for the middle and lower Florida Keys from Craig Key westward to Key West. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * 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 * Florida Keys from Craig Key to Key West * 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 Hurricane Watch will likely be required for portions of the U.S. northwest Gulf coast area by this evening. 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 500 AM EDT (0900 UTC), the center of Tropical Storm Laura was located near latitude 20.8 North, longitude 78.9 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 over the Caribbean Sea just offshore the southern coast of Cuba today, and move into the southeastern Gulf of Mexico by early Tuesday morning. Laura is then forecast to move over the central and northwestern Gulf of Mexico Tuesday night and Wednesday. Maximum sustained winds are near 65 mph (100 km/h) with higher gusts. Gradual strengthening is expected, and Laura is forecast to become a hurricane by early Tuesday. Tropical-storm-force winds extend outward up to 175 miles (280 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Laura is expected to produce the following storm total rainfall accumulations through Tuesday: 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 Islands, and the Northwest 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. From late 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 cause widespread flash and urban flooding, small streams to overflow their banks, and the possibility of some minor river flooding across this region. WIND: Tropical storm conditions are expected to spread westward within the warning area in Cuba through today. Tropical storm conditions are expected in Little Cayman and Cayman Brac by this afternoon. Tropical storm conditions are also expected within the warning area in the Florida middle and Lower Keys and the Dry Tortugas this afternoon and continuing into tonight. 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 today. Please consult products from your local weather office. TORNADOES: An isolated tornado will be possible later today into tonight across the Florida Keys. NEXT ADVISORY ------------- Next intermediate advisory at 800 AM EDT. Next complete advisory at 1100 AM EDT. $$ Forecaster Stewart
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Summary for Tropical Storm Laura (AT3/AL132020)
2020-08-24 07:50:10| National Hurricane Center (Atlantic)
...LAURA MOVING BACK OVER THE WARM WATERS OF THE CARIBBEAN SEA... ...HEAVY RAINFALL CONTINUES OVER EASTERN CUBA AND JAMAICA.... As of 2:00 AM EDT Mon Aug 24 the center of Laura was located near 20.5, -78.0 with movement WNW at 21 mph. The minimum central pressure was 1000 mb with maximum sustained winds of about 65 mph.
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tropical
Tropical Storm Laura Public Advisory Number 17A
2020-08-24 07:50:10| National Hurricane Center (Atlantic)
Issued at 200 AM EDT Mon Aug 24 2020 000 WTNT33 KNHC 240550 TCPAT3 BULLETIN Tropical Storm Laura Intermediate Advisory Number 17A NWS National Hurricane Center Miami FL AL132020 200 AM EDT Mon Aug 24 2020 ...LAURA MOVING BACK OVER THE WARM WATERS OF THE CARIBBEAN SEA... ...HEAVY RAINFALL CONTINUES OVER EASTERN CUBA AND JAMAICA.... SUMMARY OF 200 AM EDT...0600 UTC...INFORMATION ---------------------------------------------- LOCATION...20.5N 78.0W ABOUT 60 MI...100 KM S OF CAMAGUEY CUBA ABOUT 235 MI...380 KM ESE OF CAYO LARGO CUBA MAXIMUM SUSTAINED WINDS...65 MPH...100 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: None. SUMMARY OF WATCHES AND WARNINGS IN EFFECT: A Tropical Storm Warning is in effect for... * 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 * Dry Tortugas A Tropical Storm Watch is in effect for... * Florida Keys from Craig Key to Key West 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 200 AM EDT (0600 UTC), the center of Tropical Storm Laura was located near latitude 20.5 North, longitude 78.0 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 over the Caribbean Sea just offshore the southern coast of Cuba today, and move into the southeastern Gulf of Mexico tonight and Tuesday. Laura is then forecast to move over the central and northwestern Gulf of Mexico Tuesday night and Wednesday. Maximum sustained winds remain near 65 mph (100 km/h) with higher gusts. Gradual strengthening is expected, and Laura is forecast to become a hurricane by early Tuesday. Tropical-storm-force winds extend outward up to 150 miles (240 km) from the center. The estimated minimum central pressure is 1000 mb (29.53 inches). HAZARDS AFFECTING LAND ---------------------- RAINFALL: Laura is expected to produce the following storm total rainfall accumulations through Tuesday: Western 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 Islands, and the Northwest 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. From late 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 cause widespread flash and urban flooding, small streams and tributaries to overflow their banks, and the possibility of some minor river flooding to this region. WIND: Tropical storm conditions are expected to spread westward within the warning area in Cuba through today. Tropical storm conditions are expected in Little Cayman, Cayman Brac, and the Dry Tortugas today. Tropical storm conditions are possible within portions of the watch area in the Florida Keys today. 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 today. Please consult products from your local weather office. TORNADOES: An isolated tornado is possible across far southern Florida today. NEXT ADVISORY ------------- Next complete advisory at 500 AM EDT. $$ Forecaster Stewart
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