662 
 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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This page was last modified on: Thu, Jul 23 2020 - 2003 UTC
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