517  
FONT12 KNHC 100833  
PWSAT2  
HURRICANE FRED WIND SPEED PROBABILITIES NUMBER 11  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072009  
0900 UTC THU SEP 10 2009  
 
AT 0900Z THE CENTER OF HURRICANE FRED WAS LOCATED NEAR LATITUDE 15.9  
NORTH...LONGITUDE 34.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 90 KTS   
..105 MPH
 
165 KM/HR.  
 
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)  
ATLANTIC STANDARD TIME (AST)...SUBTRACT 4 HOURS FROM Z TIME  
EASTERN DAYLIGHT TIME (EDT)...SUBTRACT 4 HOURS FROM Z TIME  
CENTRAL DAYLIGHT TIME (CDT)...SUBTRACT 5 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 THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 06Z TUE  
FORECAST HOUR 12 24 36 48 72 96 120  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
DISSIPATED X X 1 2 12 23 30  
TROP DEPRESSION X 1 4 12 27 31 30  
TROPICAL STORM 4 20 49 60 49 40 35  
HURRICANE 96 79 46 26 12 6 6  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
HUR CAT 1 63 59 37 20 10 5 4  
HUR CAT 2 28 15 6 4 2 1 1  
HUR CAT 3 5 4 2 2 1 X X  
HUR CAT 4 1 1 1 X X X X  
HUR CAT 5 1 X X X X X X  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
FCST MAX WIND 80KT 75KT 65KT 55KT 40KT 30KT 25KT  
 
 
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 THU 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 THU 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON  
PERIODS TO TO TO TO TO TO TO  
18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 06Z TUE  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 

 
FORECASTER BLAKE  
 
 
 
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