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FONT13 KNHC 240239
PWSAT3
TROPICAL STORM SAM WIND SPEED PROBABILITIES NUMBER 6
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021
0300 UTC FRI SEP 24 2021
AT 0300Z THE CENTER OF TROPICAL STORM SAM WAS LOCATED NEAR LATITUDE
11.2 NORTH...LONGITUDE 40.9 WEST WITH MAXIMUM SUSTAINED WINDS NEAR
60 KTS...70 MPH...110 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
00Z FRI 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 00Z FRI 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE
PERIODS TO TO TO TO TO TO TO
12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE 00Z WED
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) 3( 3)
SABA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
ST EUSTATIUS 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
BARBUDA 34 X X( X) X( X) X( X) X( X) X( X) 6( 6)
ANTIGUA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
GUADELOUPE 34 X X( X) X( X) X( X) X( X) X( X) 6( 6)
DOMINICA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
MARTINIQUE 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
SAINT LUCIA 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) 1( 1) 4( 5)
$$
FORECASTER BERG