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HURRICANE IRMA FORECAST/ADVISORY NUMBER  46
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL112017
1500 UTC SUN SEP 10 2017
 
CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY...
 
NONE.
 
SUMMARY OF WATCHES AND WARNINGS IN EFFECT... 
 
A STORM SURGE WARNING IS IN EFFECT FOR...
* SOUTH SANTEE RIVER SOUTHWARD TO JUPITER INLET
* NORTH MIAMI BEACH SOUTHWARD AROUND THE FLORIDA PENINSULA TO THE
OCHLOCKONEE RIVER
* FLORIDA KEYS
* TAMPA BAY
 
A HURRICANE WARNING IS IN EFFECT FOR...
* FERNANDINA BEACH SOUTHWARD AROUND THE FLORIDA PENINSULA TO INDIAN
PASS
* FLORIDA KEYS
* LAKE OKEECHOBEE
* FLORIDA BAY
* CUBAN PROVINCES OF MATANZAS AND LA HABANA
 
A HURRICANE WATCH IS IN EFFECT FOR...
* NORTH OF FERNANDINA BEACH TO EDISTO BEACH
 
A TROPICAL STORM WARNING IS IN EFFECT FOR...
* WEST OF INDIAN PASS TO THE OKALOOSA/WALTON COUNTY LINE
* NORTH OF FERNANDINA BEACH TO SOUTH SANTEE RIVER
 
A TROPICAL STORM WATCH IS IN EFFECT FOR...
* BIMINI AND GRAND BAHAMA
 
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 CUBA AND THE SOUTHEASTERN UNITED STATES
SHOULD MONITOR THE PROGRESS OF IRMA.
 
HURRICANE CENTER LOCATED NEAR 25.0N  81.5W AT 10/1500Z
POSITION ACCURATE WITHIN  10 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR 350 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  933 MB
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 70NE  50SE  30SW  50NW.
50 KT.......110NE 110SE  70SW 100NW.
34 KT.......190NE 170SE 140SW 190NW.
12 FT SEAS..420NE 150SE 120SW 180NW.
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 25.0N  81.5W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 24.5N  81.5W
 
FORECAST VALID 11/0000Z 26.6N  82.1W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 70NE  60SE  40SW  60NW.
50 KT...110NE 110SE  80SW 100NW.
34 KT...220NE 200SE 140SW 220NW.
 
FORECAST VALID 11/1200Z 29.2N  83.0W
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 50NE  60SE  40SW  60NW.
50 KT...110NE 120SE  90SW 100NW.
34 KT...270NE 200SE 160SW 200NW.
 
FORECAST VALID 12/0000Z 31.9N  84.6W...INLAND
MAX WIND  40 KT...GUSTS  50 KT.
34 KT...200NE 100SE 100SW 100NW.
 
FORECAST VALID 12/1200Z 33.8N  86.7W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
FORECAST VALID 13/1200Z 36.0N  89.0W...POST-TROP/INLAND
MAX WIND  25 KT...GUSTS  35 KT.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM
ON DAY 4 AND 200 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
 
OUTLOOK VALID 14/1200Z 38.5N  86.5W...POST-TROP/INLAND
MAX WIND  20 KT...GUSTS  30 KT.
 
OUTLOOK VALID 15/1200Z...DISSIPATED
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 25.0N  81.5W
 
NEXT ADVISORY AT 10/2100Z
 
$$
FORECASTER PASCH
 
 
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