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HURRICANE IRMA WIND SPEED PROBABILITIES NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL AL112017
1500 UTC THU AUG 31 2017
AT 1500Z THE CENTER OF HURRICANE IRMA WAS LOCATED NEAR LATITUDE 16.9
NORTH...LONGITUDE 33.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 85 KTS
...100 MPH...155 KM/H.
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)
ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME
EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME
CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 HOURS FROM Z TIME
WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST
...34 KT (39 MPH... 63 KM/H)...
...50 KT (58 MPH... 93 KM/H)...
...64 KT (74 MPH...119 KM/H)...
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS
PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE
OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING
AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY)
(CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN
12Z THU AND THE FORECAST HOUR (CUMULATIVE PROBABILITY)
PROBABILITIES ARE GIVEN IN PERCENT
X INDICATES PROBABILITIES LESS THAN 1 PERCENT
PROBABILITIES FOR 34 KT AND 50 KT ARE SHOWN AT A GIVEN LOCATION WHEN
THE 5-DAY CUMULATIVE PROBABILITY IS AT LEAST 3 PERCENT.
PROBABILITIES FOR 34...50...64 KT SHOWN WHEN THE 5-DAY
64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT.
- - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -
FROM FROM FROM FROM FROM FROM FROM
TIME 12Z THU 00Z FRI 12Z FRI 00Z SAT 12Z SAT 12Z SUN 12Z MON
PERIODS TO TO TO TO TO TO TO
00Z FRI 12Z FRI 00Z SAT 12Z SAT 12Z SUN 12Z MON 12Z TUE
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
SAINT MAARTEN 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
BARBUDA 34 X X( X) X( X) X( X) X( X) X( X) 7( 7)
ANTIGUA 34 X X( X) X( X) X( X) X( X) X( X) 8( 8)
GUADELOUPE 34 X X( X) X( X) X( X) X( X) X( X) 8( 8)
GUADELOUPE 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
GUADELOUPE 64 X X( X) X( X) X( X) X( X) X( X) 2( 2)
AVES 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
DOMINICA 34 X X( X) X( X) X( X) X( X) X( X) 8( 8)
DOMINICA 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
DOMINICA 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)
MARTINIQUE 34 X X( X) X( X) X( X) X( X) X( X) 7( 7)
MARTINIQUE 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
MARTINIQUE 64 X X( X) X( X) X( X) X( X) X( X) 2( 2)
SAINT LUCIA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
SAINT VINCENT 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
BARBADOS 34 X X( X) X( X) X( X) X( X) X( X) 7( 7)
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FORECASTER BLAKE
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