Atlantic Basin Tropical Cyclones

Hurricane Sam Wind Speed Probabilities


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FONT13 KNHC 292050
PWSAT3

HURRICANE SAM WIND SPEED PROBABILITIES NUMBER  29                   
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL182021               
2100 UTC WED SEP 29 2021                                            

AT 2100Z THE CENTER OF HURRICANE SAM WAS LOCATED NEAR LATITUDE 20.2 
NORTH...LONGITUDE 57.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 115   
KTS...130 MPH...215 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           
        18Z 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 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       18Z WED 06Z THU 18Z THU 06Z FRI 18Z FRI 18Z SAT 18Z SUN
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             06Z THU 18Z THU 06Z FRI 18Z FRI 18Z SAT 18Z SUN 18Z MON

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)   7( 7)

CAPE RACE NFLD 34  X   X( X)   X( X)   X( X)   X( X)   X( X)   5( 5)

BERMUDA        34  X   X( X)   X( X)   4( 4)  19(23)   1(24)   1(25)
BERMUDA        50  X   X( X)   X( X)   X( X)   4( 4)   1( 5)   X( 5)
BERMUDA        64  X   X( X)   X( X)   X( X)   1( 1)   X( 1)   X( 1)

$$                                                                  
FORECASTER PASCH                                                    



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