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Hurricane Laura Forecast Advisory Number 30
2020-08-27 10:40:43| National Hurricane Center (Atlantic)
Issued at 0900 UTC THU AUG 27 2020 000 WTNT23 KNHC 270840 TCMAT3 HURRICANE LAURA FORECAST/ADVISORY NUMBER 30 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132020 0900 UTC THU AUG 27 2020 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNING WEST OF HIGH ISLAND...TEXAS HAS BEEN DISCONTINUED. THE TROPICAL STORM WARNING FROM SAN LUIS PASS TO HIGH ISLAND...TEXAS HAS BEEN DISCONTINUED. THE HURRICANE WATCH FROM EAST OF INTRACOASTAL CITY TO WEST OF MORGAN CITY LOUISIANA HAS BEEN CANCELED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * HIGH ISLAND TEXAS TO THE MOUTH OF THE MISSISSIPPI RIVER A HURRICANE WARNING IS IN EFFECT FOR... * HIGH ISLAND TEXAS TO INTRACOASTAL CITY LOUISIANA A TROPICAL STORM WARNING IS IN EFFECT FOR... * EAST OF INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE MISSISSIPPI RIVER A STORM SURGE WARNING MEANS THERE IS A DANGER OF LIFE-THREATENING INUNDATION...FROM RISING WATER MOVING INLAND FROM THE COASTLINE 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 HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. HURRICANE CENTER LOCATED NEAR 30.5N 93.4W AT 27/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTH OR 355 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 948 MB EYE DIAMETER 25 NM MAX SUSTAINED WINDS 105 KT WITH GUSTS TO 130 KT. 64 KT....... 40NE 50SE 30SW 30NW. 50 KT....... 60NE 90SE 50SW 50NW. 34 KT.......120NE 150SE 80SW 80NW. 12 FT SEAS.. 0NE 180SE 90SW 0NW. 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 30.5N 93.4W AT 27/0900Z AT 27/0600Z CENTER WAS LOCATED NEAR 29.8N 93.3W FORECAST VALID 27/1800Z 32.6N 93.2W...INLAND MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 10NE 10SE 0SW 0NW. 50 KT... 30NE 30SE 20SW 20NW. 34 KT... 70NE 70SE 40SW 40NW. FORECAST VALID 28/0600Z 34.8N 92.2W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 40NE 40SE 0SW 0NW. FORECAST VALID 28/1800Z 36.5N 90.1W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 29/0600Z 37.6N 85.4W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 29/1800Z 38.2N 78.9W...POST-TROP/INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 30/0600Z 39.8N 71.4W...POST-TROP/EXTRATROP MAX WIND 40 KT...GUSTS 50 KT. 34 KT...100NE 80SE 100SW 30NW. 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 31/0600Z 47.9N 55.9W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 01/0600Z 53.1N 46.8W...POST-TROP/EXTRATROP MAX WIND 45 KT...GUSTS 55 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 30.5N 93.4W INTERMEDIATE PUBLIC ADVISORY...WTNT33 KNHC/MIATCPAT3...AT 27/1200Z NEXT ADVISORY AT 27/1500Z $$ FORECASTER CANGIALOSI/ZELINSKY
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