000
FONT13 KNHC 231456
PWSAT3
TROPICAL STORM SAM WIND SPEED PROBABILITIES NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021
1500 UTC THU SEP 23 2021
AT 1500Z THE CENTER OF TROPICAL STORM SAM WAS LOCATED NEAR LATITUDE
10.9 NORTH...LONGITUDE 38.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR
45 KTS...50 MPH...85 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
BARBUDA 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
ANTIGUA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
GUADELOUPE 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) 3( 3)
MARTINIQUE 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) 3( 3)
$$
FORECASTER PAPIN