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Hurricane Sam Wind Speed Probabilities Number 20
2021-09-27 16:54:08| National Hurricane Center (Atlantic)
Issued at 1500 UTC MON SEP 27 2021 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
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