


Tropical Cyclone Probabilities
Issued by NWS
Issued by NWS
124 FOPA13 PHFO 090238 PWSCP3 POST-TROPICAL CYCLONE HENRIETTE WIND SPEED PROBABILITIES NUMBER 20 NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP082025 ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL 0300 UTC SAT AUG 09 2025 AT 0300Z THE CENTER OF POST-TROPICAL CYCLONE HENRIETTE WAS LOCATED NEAR LATITUDE 20.2 NORTH...LONGITUDE 144.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/H. Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH) PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 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 00Z SAT 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 00Z SAT 12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED PERIODS TO TO TO TO TO TO TO 12Z SAT 00Z SUN 12Z SUN 00Z MON 00Z TUE 00Z WED 00Z THU FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT 20N 145W 34 5 1( 6) X( 6) X( 6) X( 6) X( 6) X( 6) 25N 150W 34 X 1( 1) 12(13) 4(17) 1(18) X(18) X(18) 26N 159W 34 X X( X) X( X) X( X) 6( 6) X( 6) X( 6) 30N 160W 34 X X( X) X( X) X( X) 20(20) 11(31) X(31) 30N 160W 50 X X( X) X( X) X( X) 2( 2) 5( 7) X( 7) 30N 160W 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2) 35N 160W 34 X X( X) X( X) X( X) 1( 1) 19(20) 1(21) 35N 160W 50 X X( X) X( X) X( X) X( X) 3( 3) 1( 4) 30N 165W 34 X X( X) X( X) X( X) X( X) 3( 3) X( 3) 35N 165W 34 X X( X) X( X) X( X) X( X) 13(13) 6(19) 35N 165W 50 X X( X) X( X) X( X) X( X) 2( 2) 2( 4) 40N 165W 34 X X( X) X( X) X( X) X( X) 1( 1) 16(17) 40N 165W 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) 40N 170W 34 X X( X) X( X) X( X) X( X) X( X) 3( 3) $$ FORECASTER GIBBS (CPHC)