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| #1058914 (Received by flhurricane at: 4:44 PM 27.Aug.2021) TCMAT4 HURRICANE IDA FORECAST/ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092021 2100 UTC FRI AUG 27 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A STORM SURGE WARNING HAS BEEN ISSUED FROM EAST OF ROCKEFELLER WILDLIFE REFUGE LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER INCLUDING VERMILION BAY...LAKE BORGNE...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS. A HURRICANE WARNING HAS BEEN ISSUED FOR THE COAST OF LOUISIANA FROM INTRACOASTAL CITY TO THE MOUTH OF THE PEARL RIVER...INCLUDING LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS. A TROPICAL STORM WARNING HAS BEEN ISSUED FOR THE NORTHERN GULF COAST FROM THE MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER. A TROPICAL STORM WARNING HAS ALSO BEEN ISSUED FOR THE COAST OF LOUISIANA FROM WEST OF INTRACOASTAL CITY TO CAMERON. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * EAST OF ROCKEFELLER WILDLIFE REFUGE LOUISIANA TO THE MISSISSIPPI/ALABAMA BORDER * VERMILION BAY...LAKE BORGNE...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS A HURRICANE WARNING IS IN EFFECT FOR... * CUBAN PROVINCES OF PINAR DEL RIO AND ARTEMISA...AND THE ISLE OF YOUTH * INTRACOASTAL CITY LOUISIANA TO THE MOUTH OF THE PEARL RIVER * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS A STORM SURGE WATCH IS IN EFFECT FOR... * SABINE PASS TO ROCKEFELLER WILDLIFE REFUGE LOUISIANA * MOBILE BAY A HURRICANE WATCH IS IN EFFECT FOR... * CAMERON LOUISIANA TO WEST OF INTRACOASTAL CITY LOUISIANA * MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER A TROPICAL STORM WARNING IS IN EFFECT FOR... * CUBAN PROVINCES OF MATANZAS...MAYABEQUE...AND HAVANA * CAMERON LOUISIANA TO WEST OF INTRACOASTAL CITY LOUISIANA * MOUTH OF THE PEARL RIVER TO THE MISSISSIPPI/ALABAMA BORDER A TROPICAL STORM WATCH IS IN EFFECT FOR... * MISSISSIPPI/ALABAMA BORDER TO THE ALABAMA/FLORIDA BORDER 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 WITHIN 36 HOURS. 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. 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 WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE ALONG THE NORTHERN U.S. GULF COAST SHOULD MONITOR THE PROGRESS OF THIS SYSTEM. INTERESTS IN THE DRY TORTUGAS SHOULD ALSO MONITOR THE PROGRESS OF IDA. HURRICANE CENTER LOCATED NEAR 22.1N 83.2W AT 27/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 985 MB MAX SUSTAINED WINDS 70 KT WITH GUSTS TO 85 KT. 64 KT....... 20NE 0SE 0SW 0NW. 50 KT....... 40NE 30SE 0SW 20NW. 34 KT....... 80NE 60SE 40SW 60NW. 12 FT SEAS.. 0NE 120SE 45SW 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 22.1N 83.2W AT 27/2100Z AT 27/1800Z CENTER WAS LOCATED NEAR 21.6N 82.7W FORECAST VALID 28/0600Z 23.5N 84.8W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 20NE 15SE 10SW 20NW. 50 KT... 40NE 30SE 20SW 40NW. 34 KT...100NE 80SE 50SW 90NW. FORECAST VALID 28/1800Z 25.3N 86.9W MAX WIND 105 KT...GUSTS 130 KT. 64 KT... 20NE 20SE 15SW 20NW. 50 KT... 40NE 40SE 30SW 40NW. 34 KT...110NE 90SE 60SW 100NW. FORECAST VALID 29/0600Z 27.1N 89.0W MAX WIND 115 KT...GUSTS 140 KT. 64 KT... 30NE 25SE 20SW 30NW. 50 KT... 50NE 50SE 30SW 50NW. 34 KT...130NE 100SE 70SW 110NW. FORECAST VALID 29/1800Z 28.6N 90.6W MAX WIND 120 KT...GUSTS 145 KT. 64 KT... 30NE 25SE 20SW 25NW. 50 KT... 50NE 50SE 40SW 40NW. 34 KT...120NE 110SE 70SW 90NW. FORECAST VALID 30/0600Z 30.0N 91.3W...INLAND MAX WIND 80 KT...GUSTS 100 KT. 50 KT... 40NE 40SE 30SW 20NW. 34 KT...100NE 100SE 60SW 70NW. FORECAST VALID 30/1800Z 31.5N 91.1W...INLAND MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 50NE 90SE 30SW 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 31/1800Z 34.4N 89.3W...INLAND MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 01/1800Z 36.0N 86.0W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 22.1N 83.2W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 28/0000Z NEXT ADVISORY AT 28/0300Z $$ FORECASTER BROWN |