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Tropical Storm Ida Forecast Advisory Number 18
2021-08-30 16:54:00| National Hurricane Center (Atlantic)
Issued at 1500 UTC MON AUG 30 2021 000 WTNT24 KNHC 301453 TCMAT4 TROPICAL STORM IDA FORECAST/ADVISORY NUMBER 18 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092021 1500 UTC MON AUG 30 2021 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... ALL WARNINGS HAVE BEEN DISCONTINUED FOR THE LOUISIANA COAST WEST OF THE PEARL RIVER...INCLUDING LAKE PONTCHARTRAIN AND LAKE MAUREPAS...AND METROPOLITAN NEW ORLEANS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * MOUTH OF THE PEARL RIVER TO THE ALABAMA/FLORIDA BORDER A TROPICAL STORM WARNING IS IN EFFECT FOR... * 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. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. TROPICAL STORM CENTER LOCATED NEAR 31.9N 90.7W AT 30/1500Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH OR 10 DEGREES AT 8 KT ESTIMATED MINIMUM CENTRAL PRESSURE 996 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 40NE 170SE 40SW 30NW. 12 FT SEAS.. 0NE 180SE 0SW 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 31.9N 90.7W AT 30/1500Z AT 30/1200Z CENTER WAS LOCATED NEAR 31.5N 90.8W FORECAST VALID 31/0000Z 33.1N 90.1W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 31/1200Z 34.5N 88.4W...INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 01/0000Z 35.8N 85.9W...INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 01/1200Z 37.5N 82.5W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 02/0000Z 38.9N 78.7W...POST-TROP/EXTRATROP MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 02/1200Z 39.5N 75.7W...POST-TROP/EXTRATROP MAX WIND 25 KT...GUSTS 35 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 03/1200Z 40.5N 70.5W...POST-TROP/EXTRATROP MAX WIND 30 KT...GUSTS 40 KT. OUTLOOK VALID 04/1200Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.9N 90.7W INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 30/1800Z NEXT ADVISORY AT 30/2100Z $$ FORECASTER BROWN
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