982 WTNT24 KNHC 292051 TCMAT4 HURRICANE IDA FORECAST/ADVISORY NUMBER 15 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092021 2100 UTC SUN AUG 29 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WARNING ALONG THE COAST OF LOUISIANA FROM MORGAN CITY TO INTRACOASTAL CITY HAS BEEN CHANGED TO A TROPICAL STORM WARNING. THE TROPICAL STORM WARNING FROM CAMERON TO INTRACOASTAL CITY LOUISIANA HAS BEEN DISCONTINUED. THE STORM SURGE WARNING WEST OF MORGAN CITY HAS BEEN DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * MORGAN CITY LOUISIANA TO THE ALABAMA/FLORIDA BORDER * LAKE BORGNE...LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND MOBILE BAY A HURRICANE WARNING IS IN EFFECT FOR... * MORGAN CITY LOUISIANA TO THE MOUTH OF THE PEARL RIVER * LAKE PONTCHARTRAIN...LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS A TROPICAL STORM WARNING IS IN EFFECT FOR... * INTRACOASTAL CITY LOUISIANA TO WEST OF MORGAN CITY LOUISIANA * MOUTH OF THE PEARL RIVER 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 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 TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. HURRICANE CENTER LOCATED NEAR 29.5N 90.6W AT 29/2100Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 325 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 938 MB EYE DIAMETER 15 NM MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT. 64 KT....... 40NE 35SE 20SW 25NW. 50 KT....... 70NE 60SE 40SW 40NW. 34 KT.......130NE 120SE 80SW 80NW. 12 FT SEAS..180NE 180SE 150SW 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 29.5N 90.6W AT 29/2100Z AT 29/1800Z CENTER WAS LOCATED NEAR 29.2N 90.3W FORECAST VALID 30/0600Z 30.7N 90.9W...INLAND MAX WIND 65 KT...GUSTS 90 KT. 64 KT... 25NE 25SE 10SW 15NW. 50 KT... 50NE 50SE 25SW 30NW. 34 KT... 80NE 100SE 70SW 60NW. FORECAST VALID 30/1800Z 32.4N 90.7W...INLAND MAX WIND 35 KT...GUSTS 50 KT. 34 KT... 60NE 60SE 30SW 30NW. FORECAST VALID 31/0600Z 34.0N 89.4W...INLAND MAX WIND 25 KT...GUSTS 40 KT. FORECAST VALID 31/1800Z 35.6N 87.2W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 01/0600Z 37.1N 84.2W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 01/1800Z 38.6N 80.5W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. 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 02/1800Z 41.3N 72.5W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 03/1800Z 43.8N 67.0W...POST-TROP/EXTRATROP MAX WIND 35 KT...GUSTS 45 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.5N 90.6W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/0000Z NEXT ADVISORY AT 30/0300Z $$ FORECASTER BROWN