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Tropical Storm Laura Forecast Advisory Number 21
2020-08-25 04:43:58| National Hurricane Center (Atlantic)
Issued at 0300 UTC TUE AUG 25 2020 000 WTNT23 KNHC 250243 TCMAT3 TROPICAL STORM LAURA FORECAST/ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132020 0300 UTC TUE AUG 25 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING FOR THE MIDDLE FLORIDA KEYS HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WATCH IS IN EFFECT FOR... * SAN LUIS PASS TEXAS TO OCEAN SPRINGS MISSISSIPPI * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND LAKE BORGNE A HURRICANE WATCH IS IN EFFECT FOR... * PORT BOLIVAR TEXAS TO WEST OF MORGAN CITY LOUISIANA A TROPICAL STORM WARNING IS IN EFFECT FOR... * CUBAN PROVINCES OF VILLA CLARA...CIENFUEGOS...MATANZAS...MAYABEQUE...LA HABANA...ARTEMISA...PINAR DEL RIO...AND THE ISLE OF YOUTH * FLORIDA KEYS FROM THE SEVEN MILE BRIDGE TO KEY WEST * DRY TORTUGAS A TROPICAL STORM WATCH IS IN EFFECT FOR... * SOUTH OF PORT BOLIVAR TO SAN LUIS PASS TEXAS * MORGAN CITY LOUISIANA TO THE MOUTH OF THE MISSISSIPPI RIVER A STORM SURGE WATCH MEANS THERE IS A POSSIBILITY OF LIFE- THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE...IN THE INDICATED LOCATIONS DURING THE NEXT 48 HOURS. FOR A DEPICTION OF AREAS AT RISK...PLEASE SEE THE NATIONAL WEATHER SERVICE STORM SURGE WATCH/WARNING GRAPHIC...AVAILABLE AT HURRICANES.GOV. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A WATCH IS TYPICALLY ISSUED 48 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL-STORM-FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. 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...GENERALLY WITHIN 48 HOURS. TROPICAL STORM CENTER LOCATED NEAR 22.7N 84.0W AT 25/0300Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 290 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 55 KT WITH GUSTS TO 65 KT. 50 KT....... 60NE 60SE 0SW 0NW. 34 KT.......150NE 140SE 0SW 0NW. 12 FT SEAS..150NE 0SE 0SW 120NW. 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 22.7N 84.0W AT 25/0300Z AT 25/0000Z CENTER WAS LOCATED NEAR 22.3N 83.3W FORECAST VALID 25/1200Z 23.7N 86.3W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 0SE 0SW 0NW. 50 KT... 60NE 60SE 0SW 20NW. 34 KT...150NE 140SE 40SW 60NW. FORECAST VALID 26/0000Z 25.2N 89.1W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 20NE 20SE 0SW 0NW. 50 KT... 50NE 50SE 30SW 40NW. 34 KT...140NE 130SE 60SW 90NW. FORECAST VALID 26/1200Z 26.8N 91.6W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 30NE 20SE 10SW 20NW. 50 KT... 60NE 50SE 30SW 40NW. 34 KT...130NE 120SE 60SW 100NW. FORECAST VALID 27/0000Z 28.8N 93.0W MAX WIND 95 KT...GUSTS 115 KT. 64 KT... 30NE 30SE 10SW 20NW. 50 KT... 60NE 60SE 30SW 50NW. 34 KT...110NE 120SE 60SW 90NW. FORECAST VALID 27/1200Z 31.3N 93.6W...INLAND MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 40NE 60SE 20SW 20NW. 34 KT... 70NE 120SE 50SW 50NW. FORECAST VALID 28/0000Z 33.8N 93.0W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 30SE 30SW 40NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 29/0000Z 36.7N 89.1W...INLAND MAX WIND 25 KT...GUSTS 35 KT. OUTLOOK VALID 30/0000Z 36.9N 77.1W...POST-TROP/REMNT LOW MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.7N 84.0W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 25/0600Z NEXT ADVISORY AT 25/0900Z $$ FORECASTER CANGIALOSI
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