940
FONT13 KNHC 271454
PWSAT3
HURRICANE SAM WIND SPEED PROBABILITIES NUMBER 20
NWS NATIONAL HURRICANE CENTER MIAMI FL AL182021
1500 UTC MON SEP 27 2021
AT 1500Z THE CENTER OF HURRICANE SAM WAS LOCATED NEAR LATITUDE 15.7
NORTH...LONGITUDE 52.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 110
KTS...125 MPH...205 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 MON 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 MON 00Z TUE 12Z TUE 00Z WED 12Z WED 12Z THU 12Z FRI
PERIODS TO TO TO TO TO TO TO
00Z TUE 12Z TUE 00Z WED 12Z WED 12Z THU 12Z FRI 12Z SAT
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
BERMUDA 34 X X( X) X( X) X( X) X( X) 3( 3) 26(29)
BERMUDA 50 X X( X) X( X) X( X) X( X) 1( 1) 11(12)
BERMUDA 64 X X( X) X( X) X( X) X( X) X( X) 7( 7)
SAINT THOMAS 34 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3)
SAINT MAARTEN 34 X X( X) X( X) X( X) 4( 4) 2( 6) X( 6)
SABA 34 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3)
ST EUSTATIUS 34 X X( X) X( X) X( X) 3( 3) X( 3) 1( 4)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) 3( 3) 1( 4) X( 4)
BARBUDA 34 X X( X) X( X) 1( 1) 5( 6) 2( 8) X( 8)
ANTIGUA 34 X X( X) X( X) 1( 1) 4( 5) 1( 6) X( 6)
GUADELOUPE 34 X X( X) X( X) 1( 1) 2( 3) 1( 4) X( 4)
$$
FORECASTER HAGEN/PASCH