000
FOPA11 PHFO 290835
PWSCP1
HURRICANE IONA WIND SPEED PROBABILITIES NUMBER 9
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012025
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC TUE JUL 29 2025
AT 0900Z THE CENTER OF HURRICANE IONA WAS LOCATED NEAR LATITUDE 10.8
NORTH...LONGITUDE 153.2 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
06Z TUE 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 06Z TUE 18Z TUE 06Z WED 18Z WED 06Z THU 06Z FRI 06Z SAT
PERIODS TO TO TO TO TO TO TO
18Z TUE 06Z WED 18Z WED 06Z THU 06Z FRI 06Z SAT 06Z SUN
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
10N 160W 34 X 5( 5) 68(73) 1(74) X(74) X(74) X(74)
10N 160W 50 X X( X) 29(29) 1(30) X(30) X(30) X(30)
10N 160W 64 X X( X) 9( 9) X( 9) X( 9) X( 9) X( 9)
15N 160W 34 X 1( 1) 2( 3) 1( 4) X( 4) X( 4) X( 4)
10N 165W 34 X X( X) 2( 2) 42(44) 6(50) X(50) X(50)
10N 165W 50 X X( X) X( X) 9( 9) 3(12) X(12) X(12)
10N 165W 64 X X( X) X( X) 2( 2) 2( 4) X( 4) X( 4)
15N 165W 34 X X( X) 1( 1) 5( 6) 2( 8) X( 8) X( 8)
JOHNSTON ISL 34 X X( X) X( X) X( X) 4( 4) X( 4) X( 4)
10N 170W 34 X X( X) X( X) 1( 1) 16(17) 1(18) X(18)
15N 170W 34 X X( X) X( X) X( X) 13(13) 1(14) X(14)
10N 175W 34 X X( X) X( X) X( X) 3( 3) 3( 6) X( 6)
15N 175W 34 X X( X) X( X) X( X) 5( 5) 26(31) 1(32)
15N 175W 50 X X( X) X( X) X( X) X( X) 8( 8) X( 8)
15N 175W 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2)
$$
FORECASTER JELSEMA (CPHC)
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