297  
FOPZ11 KNHC 161121  
PWSEP1  
TROPICAL DEPRESSION SIXTEEN-E  
SPECIAL WIND SPEED PROBABILITIES NUMBER 1  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL EP162009  
1130 UTC WED SEP 16 2009  
 
AT 1130Z THE CENTER OF TROPICAL DEPRESSION SIXTEEN-E WAS LOCATED  
NEAR LATITUDE 18.7 NORTH...LONGITUDE 112.6 WEST WITH MAXIMUM  
SUSTAINED WINDS NEAR 30 KTS...35 MPH...55 KM/HR.  
 
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 18Z WED 06Z THU 18Z THU 06Z FRI 06Z SAT 06Z SUN 06Z MON  
FORECAST HOUR 12 24 36 48 72 96 120  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
DISSIPATED 1 3 15 29 42 40 NA  
TROP DEPRESSION 39 27 49 45 38 38 NA  
TROPICAL STORM 60 68 36 26 19 21 NA  
HURRICANE X 2 1 1 1 1 NA  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
HUR CAT 1 X 2 1 1 1 1 NA  
HUR CAT 2 X X X X X X NA  
HUR CAT 3 X X X X X X NA  
HUR CAT 4 X X X X X X NA  
HUR CAT 5 X X X X X X NA  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
FCST MAX WIND 35KT 40KT 30KT 25KT 20KT 20KT NA  
 
 
II. WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS  
 
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST  
...34 KT (39 MPH... 63 KPH)...  
...50 KT (58 MPH... 93 KPH)...  
...64 KT (74 MPH...119 KPH)...  
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  
06Z 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 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 06Z WED 18Z WED 06Z THU 18Z THU 06Z FRI 06Z SAT 06Z SUN  
PERIODS TO TO TO TO TO TO TO  
18Z WED 06Z THU 18Z THU 06Z FRI 06Z SAT 06Z SUN 06Z MON  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
ISLA SOCORRO 34 1 5( 6) 1( 7) X( 7) X( 7) X( 7) X( 7)  
 
ISLA CLARION 34 1 4( 5) 1( 6) 1( 7) X( 7) X( 7) X( 7)  
 
 
FORECASTER AVILA  
 
 
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