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Tropical Storm Helene Wind Speed Probabilities Number 25
2018-09-13 16:37:20| National Hurricane Center (Atlantic)
Issued at 1500 UTC THU SEP 13 2018 472 FONT13 KNHC 131437 PWSAT3 TROPICAL STORM HELENE WIND SPEED PROBABILITIES NUMBER 25 NWS NATIONAL HURRICANE CENTER MIAMI FL AL082018 1500 UTC THU SEP 13 2018 AT 1500Z THE CENTER OF TROPICAL STORM HELENE WAS LOCATED NEAR LATITUDE 24.8 NORTH...LONGITUDE 37.3 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 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 SANTA CRUZ AZO 34 X X( X) X( X) 13(13) 39(52) 1(53) X(53) SANTA CRUZ AZO 50 X X( X) X( X) 1( 1) 16(17) X(17) X(17) SANTA CRUZ AZO 64 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) PONTA DELGADA 34 X X( X) X( X) 1( 1) 26(27) 1(28) X(28) PONTA DELGADA 50 X X( X) X( X) X( X) 4( 4) X( 4) X( 4) $$ FORECASTER LANDSEA
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