274  
FONT14 KNHC 240255  
PWSAT4  
 
TROPICAL STORM LEE WIND SPEED PROBABILITIES NUMBER 23  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL142017  
0300 UTC SUN SEP 24 2017  
 
AT 0300Z THE CENTER OF TROPICAL STORM LEE WAS LOCATED NEAR LATITUDE  
31.9 NORTH...LONGITUDE 50.1 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
45 KTS...50 MPH...85 KM/H.  
 
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  
 
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  
00Z SUN 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 00Z SUN 12Z SUN 00Z MON 12Z MON 00Z TUE 00Z WED 00Z THU  
PERIODS TO TO TO TO TO TO TO  
12Z SUN 00Z MON 12Z MON 00Z TUE 00Z WED 00Z THU 00Z FRI  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
CAPE RACE NFLD 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
ILE ST PIERRE 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
SABLE ISLAND 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 

 
FORECASTER ZELINSKY  
 
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