FOPA14 PHFO 182047
PWSCP4
TROPICAL STORM GUILLERMO WIND SPEED PROBABILITIES NUMBER 27
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI EP102009
1100 am HST Tue Aug 18 2009
AT 2100Z THE CENTER OF TROPICAL STORM GUILLERMO WAS LOCATED NEAR
LATITUDE 27.0 NORTH...LONGITUDE 151.2 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 40 KTS...45 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 8pm Tue 8am Wed 8pm Wed 8am Thu 8am Fri 8am Sat 8am Sun
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED 1 9 15 25 30 38 39
TROP DEPRESSION 38 54 47 44 40 38 37
TROPICAL STORM 60 35 37 29 28 23 24
HURRICANE 1 1 2 2 2 1 1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 1 1 2 2 2 1 1
HUR CAT 2 X X X X X X X
HUR CAT 3 X X X X X X X
HUR CAT 4 X X X X X X X
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 35KT 30KT 30KT 25KT 25KT 20KT 20KT
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
18Z 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 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 8am Tue 8pm Tue 8am Wed 8pm Wed 8am Thu 8am Fri 8am Sat
PERIODS TO TO TO TO TO TO TO
8pm Tue 8am Wed 8pm Wed 8am Thu 8am Fri 8am Sat 8am Sun
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
30N 160W 34 X 1( 1) 13(14) 2(16) X(16) X(16) X(16)
30N 160W 50 X X( X) 2( 2) 1( 3) X( 3) X( 3) X( 3)
30N 175W 34 X X( X) X( X) X( X) X( X) 4( 4) 3( 7)
MIDWAY 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
$$
FORECASTER WROE