Hurricane Tammy Wind Speed Probabilities Number 19

By | October 23, 2023

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FONT15 KNHC 230236
PWSAT5

HURRICANE TAMMY WIND SPEED PROBABILITIES NUMBER  19                 
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL202023               
0300 UTC MON OCT 23 2023                                            

AT 0300Z THE CENTER OF HURRICANE TAMMY WAS LOCATED NEAR LATITUDE    
20.8 NORTH...LONGITUDE 64.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
75 KTS...85 MPH...140 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 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       00Z MON 12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI 00Z SAT

FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   

BERMUDA        34  X   X( X)   X( X)   X( X)   X( X)   7( 7)  15(22)
BERMUDA        50  X   X( X)   X( X)   X( X)   X( X)   1( 1)   4( 5)
BERMUDA        64  X   X( X)   X( X)   X( X)   X( X)   X( X)   1( 1)

VIEQUES PR     34  2   1( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)

SAINT THOMAS   34  2   2( 4)   2( 6)   X( 6)   X( 6)   X( 6)   X( 6)

SAINT JOHN     34  2   2( 4)   2( 6)   X( 6)   X( 6)   X( 6)   X( 6)

SAINT CROIX    34  2   1( 3)   X( 3)   1( 4)   X( 4)   X( 4)   X( 4)

SAINT MAARTEN  34  2   3( 5)   1( 6)   1( 7)   X( 7)   X( 7)   X( 7)

SABA           34  2   1( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)

ST EUSTATIUS   34  2   1( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)

ST KITTS-NEVIS 34  1   1( 2)   1( 3)   X( 3)   X( 3)   X( 3)   X( 3)

BARBUDA        34  1   2( 3)   X( 3)   1( 4)   X( 4)   X( 4)   X( 4)

$$                                                                  
FORECASTER PASCH                                                    

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