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FONT13 KNHC 260847
PWSAT3
HURRICANE SAM WIND SPEED PROBABILITIES NUMBER 15
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021
0900 UTC SUN SEP 26 2021
AT 0900Z THE CENTER OF HURRICANE SAM WAS LOCATED NEAR LATITUDE 13.8
NORTH...LONGITUDE 49.7 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 125
KTS...145 MPH...230 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
06Z SUN 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 06Z SUN 18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU
PERIODS TO TO TO TO TO TO TO
18Z SUN 06Z MON 18Z MON 06Z TUE 06Z WED 06Z THU 06Z FRI
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
VIEQUES PR 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3)
SAINT THOMAS 34 X X( X) X( X) X( X) X( X) 2( 2) 2( 4)
SAINT CROIX 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3)
SAINT MAARTEN 34 X X( X) X( X) X( X) 1( 1) 6( 7) 4(11)
SAINT MAARTEN 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3)
SABA 34 X X( X) X( X) X( X) 1( 1) 4( 5) 2( 7)
ST EUSTATIUS 34 X X( X) X( X) X( X) 1( 1) 5( 6) 2( 8)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) 1( 1) 6( 7) 1( 8)
BARBUDA 34 X X( X) X( X) X( X) 1( 1) 10(11) 3(14)
BARBUDA 50 X X( X) X( X) X( X) X( X) 3( 3) X( 3)
BARBUDA 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1)
ANTIGUA 34 X X( X) X( X) X( X) 1( 1) 9(10) 1(11)
ANTIGUA 50 X X( X) X( X) X( X) X( X) 2( 2) 1( 3)
ANTIGUA 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1)
GUADELOUPE 34 X X( X) X( X) X( X) 2( 2) 5( 7) 1( 8)
DOMINICA 34 X X( X) X( X) X( X) 1( 1) 4( 5) X( 5)
MARTINIQUE 34 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3)
$$
FORECASTER REINHART