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Tropical Storm Irma Forecast Advisory Number 51

2017-09-11 22:35:21| National Hurricane Center (Atlantic)

Issued at 2100 UTC MON SEP 11 2017 000 WTNT21 KNHC 112035 TCMAT1 TROPICAL STORM IRMA FORECAST/ADVISORY NUMBER 51 NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017 2100 UTC MON SEP 11 2017 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE STORM SURGE WARNINGS FROM FERNANDINA BEACH SOUTHWARD... FROM THE AUCILLA RIVER WESTWARD... AND FROM CLEARWATER BEACH SOUTHWARD... INCLUDING TAMPA BAY... HAVE BEEN DISCONTINUED. THE TROPICAL STORM WARNING FROM THE FLAGLER/VOLUSIA COUNTY LINE TO ALTAMAHA SOUND IS DISCONTINUED. THE TROPICAL STORM WARNING FROM NORTH OF THE SUWANNEE RIVER TO THE OKALOOSA/WALTON COUNTY LINE IS DISCONTINUED. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A STORM SURGE WARNING IS IN EFFECT FOR... * NORTH OF FERNANDINA BEACH TO THE SOUTH SANTEE RIVER * NORTH OF CLEARWATER BEACH TO THE AUCILLA RIVER A TROPICAL STORM WARNING IS IN EFFECT FOR... * NORTH OF ALTAMAHA SOUND TO THE SOUTH SANTEE RIVER 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. INTERESTS ELSEWHERE IN THE SOUTHEASTERN UNITED STATES SHOULD MONITOR THE PROGRESS OF IRMA. TROPICAL STORM CENTER LOCATED NEAR 31.5N 84.0W AT 11/2100Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 340 DEGREES AT 15 KT ESTIMATED MINIMUM CENTRAL PRESSURE 985 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......360NE 230SE 150SW 240NW. 12 FT SEAS..600NE 390SE 390SW 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 31.5N 84.0W AT 11/2100Z AT 11/1800Z CENTER WAS LOCATED NEAR 30.9N 83.5W FORECAST VALID 12/0600Z 33.1N 85.5W...INLAND MAX WIND 35 KT...GUSTS 45 KT. 34 KT...220NE 120SE 100SW 100NW. FORECAST VALID 12/1800Z 34.5N 87.3W...INLAND MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 13/0600Z 35.8N 88.8W...POST-TROP/INLAND MAX WIND 25 KT...GUSTS 35 KT. FORECAST VALID 13/1800Z 37.0N 88.5W...POST-TROP/INLAND MAX WIND 20 KT...GUSTS 30 KT. FORECAST VALID 14/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.5N 84.0W NEXT ADVISORY AT 12/0300Z $$ FORECASTER PASCH

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