184  
FONT14 KNHC 290852  
PWSAT4  
 
TROPICAL STORM IMELDA WIND SPEED PROBABILITIES NUMBER 11  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092025  
0900 UTC MON SEP 29 2025  
 
AT 0900Z THE CENTER OF TROPICAL STORM IMELDA WAS LOCATED NEAR  
LATITUDE 25.5 NORTH...LONGITUDE 77.1 WEST WITH MAXIMUM SUSTAINED  
WINDS NEAR 40 KTS...45 MPH...75 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  
06Z MON 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 06Z MON 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI  
PERIODS TO TO TO TO TO TO TO  
18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI 06Z SAT  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
HIBERNIA OILFD 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
CAPE RACE NFLD 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
COCOA BEACH FL 34 1 4( 5) 2( 7) X( 7) X( 7) X( 7) X( 7)  
 
PATRICK AFB 34 1 4( 5) 2( 7) X( 7) X( 7) X( 7) X( 7)  
 
FT PIERCE FL 34 1 5( 6) 3( 9) X( 9) X( 9) X( 9) X( 9)  
 
W PALM BEACH 34 2 4( 6) 4(10) X(10) X(10) X(10) X(10)  
 
FT LAUDERDALE 34 2 3( 5) 3( 8) X( 8) X( 8) X( 8) X( 8)  
 
NAPLES FL 34 1 1( 2) 1( 3) X( 3) X( 3) X( 3) X( 3)  
 
BERMUDA 34 X X( X) X( X) X( X) 74(74) 3(77) X(77)  
BERMUDA 50 X X( X) X( X) X( X) 42(42) 3(45) X(45)  
BERMUDA 64 X X( X) X( X) X( X) 18(18) 1(19) X(19)  
 
GRAND BAHAMA 34 14 11(25) 6(31) X(31) X(31) X(31) X(31)  
 
NEW PROVIDENCE 34 60 3(63) 2(65) X(65) X(65) X(65) X(65)  
 
ANDROS 34 7 3(10) 3(13) X(13) X(13) X(13) X(13)  
 
GREAT EXUMA 34 7 3(10) 1(11) X(11) X(11) X(11) X(11)  
 
SAN SALVADOR 34 12 5(17) 3(20) X(20) X(20) X(20) X(20)  
 
 
FORECASTER BLAKE  
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