Hurricane Erin Wind Speed Probabilities Number 21

By | August 16, 2025

Issued at 1500 UTC SAT AUG 16 2025

926 
FONT15 KNHC 161432
PWSAT5
                                                                    
HURRICANE ERIN WIND SPEED PROBABILITIES NUMBER  21                  
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL052025               
1500 UTC SAT AUG 16 2025                                            
                                                                    
AT 1500Z THE CENTER OF HURRICANE ERIN WAS LOCATED NEAR LATITUDE 19.7
NORTH...LONGITUDE 62.8 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 135   
KTS...155 MPH...250 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           
        12Z SAT 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       12Z SAT 00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED
PERIODS         TO      TO      TO      TO      TO      TO      TO  
             00Z SUN 12Z SUN 00Z MON 12Z MON 12Z TUE 12Z WED 12Z THU
                                                                    
FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION       KT                                                   
                                                                    
SABLE ISLAND   34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
YARMOUTH NS    34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
HYANNIS MA     34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
NANTUCKET MA   34  X   X( X)   X( X)   X( X)   X( X)   X( X)   6( 6)
 
PROVIDENCE RI  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   4( 4)
 
MONTAUK POINT  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   4( 4)
 
NYC JFK AIRPRT 34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
CAPE HENLOPEN  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
OCEAN CITY MD  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
WALLOPS CDA    34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)
 
OCEANA NAS VA  34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   3( 4)
 
ELIZABETH CTY  34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   2( 3)
 
CAPE HATTERAS  34  X   X( X)   X( X)   X( X)   X( X)   3( 3)   6( 9)
CAPE HATTERAS  50  X   X( X)   X( X)   X( X)   X( X)   X( X)   2( 2)
CAPE HATTERAS  64  X   X( X)   X( X)   X( X)   X( X)   X( X)   1( 1)
 
CHERRY PT NC   34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   1( 3)
 
MOREHEAD CITY  34  X   X( X)   X( X)   X( X)   X( X)   3( 3)   3( 6)
 
SURF CITY NC   34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   2( 4)
 
BALD HEAD ISL  34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   1( 3)
 
BERMUDA        34  X   X( X)   X( X)   X( X)   X( X)   7( 7)  23(30)
BERMUDA        50  X   X( X)   X( X)   X( X)   X( X)   1( 1)   9(10)
BERMUDA        64  X   X( X)   X( X)   X( X)   X( X)   X( X)   5( 5)
 
NEW PROVIDENCE 34  X   X( X)   X( X)   X( X)   2( 2)   1( 3)   X( 3)
 
GREAT EXUMA    34  X   X( X)   X( X)   X( X)   5( 5)   X( 5)   X( 5)
 
SAN SALVADOR   34  X   X( X)   1( 1)   3( 4)  12(16)   2(18)   1(19)
SAN SALVADOR   50  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)
 
MAYAGUANA      34  X   X( X)   3( 3)   8(11)   8(19)   1(20)   X(20)
MAYAGUANA      50  X   X( X)   X( X)   1( 1)   3( 4)   X( 4)   X( 4)
 
GRAND TURK     34  X   2( 2)   9(11)  15(26)   5(31)   1(32)   X(32)
GRAND TURK     50  X   X( X)   2( 2)   4( 6)   2( 8)   X( 8)   X( 8)
GRAND TURK     64  X   X( X)   X( X)   1( 1)   1( 2)   X( 2)   X( 2)
 
PORT-AU-PRINCE 34  X   X( X)   2( 2)   X( 2)   1( 3)   X( 3)   X( 3)
 
PUERTO PLATA   34  X   2( 2)   3( 5)   3( 8)   2(10)   1(11)   X(11)
 
SANTO DOMINGO  34  X   2( 2)   2( 4)   1( 5)   1( 6)   X( 6)   X( 6)
 
PONCE PR       34  1   3( 4)   1( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
AGUADILLA PR   34  1   3( 4)   2( 6)   1( 7)   X( 7)   X( 7)   X( 7)
 
SAN JUAN PR    34  1   2( 3)   1( 4)   X( 4)   X( 4)   X( 4)   X( 4)
 
VIEQUES PR     34  2   2( 4)   1( 5)   X( 5)   X( 5)   X( 5)   X( 5)
 
SAINT THOMAS   34  3   3( 6)   X( 6)   X( 6)   X( 6)   X( 6)   X( 6)
 
SAINT JOHN     34  3   2( 5)   1( 6)   X( 6)   X( 6)   X( 6)   X( 6)
 
SAINT CROIX    34  2   1( 3)   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)
 
SAINT MAARTEN  34  2   1( 3)   X( 3)   X( 3)   X( 3)   X( 3)   X( 3)
 
$$                                                                  
FORECASTER BEVEN

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