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HURRICANE NEKI WIND SPEED PROBABILITIES NUMBER 18
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP032009
500 pm HST Thu Oct 22 2009
AT 0300Z THE CENTER OF HURRICANE NEKI WAS LOCATED NEAR LATITUDE 22.1
NORTH...LONGITUDE 166.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 85
KTS...100 MPH.
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
I. MAXIMUM WIND SPEED (INTENSITY) PROBABILITY TABLE
CHANCES THAT THE MAXIMUM SUSTAINED (1-MINUTE AVERAGE) WIND SPEED OF
THE TROPICAL CYCLONE WILL BE WITHIN ANY OF THE FOLLOWING CATEGORIES
AT EACH OFFICIAL FORECAST TIME DURING THE NEXT 5 DAYS.
PROBABILITIES ARE GIVEN IN PERCENT. X INDICATES PROBABILITIES LESS
THAN 1 PERCENT.
- - - MAXIMUM WIND SPEED (INTENSITY) PROBABILITIES - - -
VALID TIME 2am Fri 2pm Fri 2am Sat 2pm Sat 2pm Sun 2pm Mon 2pm Tue
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED X X X 1 8 20 30
TROP DEPRESSION X X 3 7 27 35 35
TROPICAL STORM 3 20 51 59 55 40 32
HURRICANE 97 80 46 33 10 5 2
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 67 61 37 26 9 4 2
HUR CAT 2 27 15 6 5 1 X X
HUR CAT 3 3 4 2 2 X X X
HUR CAT 4 1 X X X X X X
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 80KT 75KT 65KT 60KT 45KT 35KT 30KT
II. WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST
...34 KT (39 MPH)...
...50 KT (58 MPH)...
...64 KT (74 MPH)...
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS
PROBABILITIES FOR LOCATIONS ARE GIVEN AS IP(CP) WHERE
IP IS THE PROBABILITY OF THE EVENT BEGINNING DURING
AN INDIVIDUAL TIME PERIOD (INDIVIDUAL PROBABILITY)
(CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN
00Z FRI 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 64 KT ARE SHOWN WHEN THE 5-DAY CUMULATIVE
PROBABILITY IS AT LEAST 1 PERCENT.
- - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -
FROM FROM FROM FROM FROM FROM FROM
TIME 2pm Thu 2am Fri 2pm Fri 2am Sat 2pm Sat 2pm Sun 2pm Mon
PERIODS TO TO TO TO TO TO TO
2am Fri 2pm Fri 2am Sat 2pm Sat 2pm Sun 2pm Mon 2pm Tue
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
25N 160W 34 1 4( 5) 4( 9) 1(10) X(10) X(10) X(10)
30N 160W 34 X X( X) 7( 7) 24(31) 15(46) X(46) X(46)
30N 160W 50 X X( X) X( X) 5( 5) 7(12) X(12) X(12)
30N 160W 64 X X( X) X( X) 1( 1) 3( 4) X( 4) X( 4)
35N 160W 34 X X( X) X( X) 1( 1) 16(17) 6(23) 1(24)
35N 160W 50 X X( X) X( X) X( X) 3( 3) 1( 4) X( 4)
35N 160W 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1)
BUOY 51001 34 12 8(20) 2(22) 1(23) X(23) X(23) X(23)
FR FRIG SHOALS 34 92 2(94) X(94) X(94) X(94) X(94) X(94)
FR FRIG SHOALS 50 58 5(63) X(63) X(63) X(63) X(63) X(63)
FR FRIG SHOALS 64 20 6(26) X(26) X(26) X(26) X(26) X(26)
MARO REEF 34 2 1( 3) 1( 4) X( 4) X( 4) X( 4) X( 4)
NIHOA 34 6 6(12) 2(14) X(14) X(14) X(14) X(14)
$$
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