307
FOPA11 PHFO 300247
PWSCP1

HURRICANE IONA WIND SPEED PROBABILITIES NUMBER  12
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI   CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0300 UTC WED JUL 30 2025

AT 0300Z THE CENTER OF HURRICANE IONA WAS LOCATED NEAR LATITUDE 11.0
NORTH...LONGITUDE 157.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 100
KTS...115 MPH...185 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 WED 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 WED 12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN
PERIODS         TO      TO      TO      TO      TO      TO      TO
             12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN 00Z MON

FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION       KT

10N 160W       34 17  18(35)   X(35)   X(35)   X(35)   X(35)   X(35)
10N 160W       50  1   2( 3)   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)

10N 165W       34  X   2( 2)  22(24)   1(25)   X(25)   X(25)   X(25)

15N 165W       34  X   1( 1)   3( 4)   1( 5)   X( 5)   X( 5)   X( 5)

JOHNSTON ISL   34  X   X( X)   X( X)   2( 2)   1( 3)   X( 3)   X( 3)

10N 170W       34  X   X( X)   2( 2)   9(11)   3(14)   X(14)   X(14)

15N 170W       34  X   X( X)   1( 1)   6( 7)   5(12)   X(12)   X(12)

10N 175W       34  X   X( X)   X( X)   X( X)   5( 5)   X( 5)   X( 5)

15N 175W       34  X   X( X)   X( X)   X( X)  32(32)   4(36)   X(36)
15N 175W       50  X   X( X)   X( X)   X( X)   9( 9)   1(10)   X(10)
15N 175W       64  X   X( X)   X( X)   X( X)   1( 1)   1( 2)   X( 2)

$$
FORECASTER JELSEMA (CPHC)