Tropical Cyclone Probabilities
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3
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)