249 FONT14 KNHC 131439 PWSAT4 TROPICAL STORM ISAAC WIND SPEED PROBABILITIES NUMBER 24 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 1500 UTC THU SEP 13 2018 AT 1500Z THE CENTER OF TROPICAL STORM ISAAC WAS LOCATED NEAR LATITUDE 14.9 NORTH...LONGITUDE 61.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 40 KTS...45 MPH...75 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 GRAND CAYMAN 34 X X( X) X( X) X( X) X( X) 3( 3) X( 3) MONTEGO BAY 34 X X( X) X( X) X( X) 2( 2) 6( 8) X( 8) KINGSTON 34 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3) PORT-AU-PRINCE 34 X X( X) 1( 1) 1( 2) 1( 3) X( 3) X( 3) CAPE BEATA 34 X X( X) 2( 2) 3( 5) 1( 6) X( 6) X( 6) SAINT CROIX 34 1 2( 3) X( 3) X( 3) X( 3) X( 3) X( 3) ST KITTS-NEVIS 34 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3) ANTIGUA 34 4 X( 4) X( 4) X( 4) X( 4) X( 4) X( 4) GUADELOUPE 34 99 X(99) X(99) X(99) X(99) X(99) X(99) AVES 34 66 X(66) X(66) X(66) X(66) X(66) X(66) DOMINICA 34 99 X(99) X(99) X(99) X(99) X(99) X(99) $$ FORECASTER BLAKE