030  
FOPZ12 KNHC 212039  
PWSEP2  
 
HURRICANE NORMA WIND SPEED PROBABILITIES NUMBER 17  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP172023  
2100 UTC SAT OCT 21 2023  
 
AT 2100Z THE CENTER OF HURRICANE NORMA WAS LOCATED NEAR LATITUDE  
23.1 NORTH...LONGITUDE 110.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
70 KTS...80 MPH...130 KM/H.  
 
Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)  
PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME  
HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 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 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 18Z SAT 06Z SUN 18Z SUN 06Z MON 18Z MON 18Z TUE 18Z WED  
PERIODS TO TO TO TO TO TO TO  
06Z SUN 18Z SUN 06Z MON 18Z MON 18Z TUE 18Z WED 18Z THU  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
CABO SAN LUCAS 34 99 X(99) X(99) X(99) X(99) X(99) X(99)  
CABO SAN LUCAS 50 99 X(99) X(99) X(99) X(99) X(99) X(99)  
CABO SAN LUCAS 64 6 X( 6) X( 6) X( 6) X( 6) X( 6) X( 6)  
 
SAN JOSE CABO 34 99 X(99) X(99) X(99) X(99) X(99) X(99)  
SAN JOSE CABO 50 58 1(59) X(59) X(59) X(59) X(59) X(59)  
SAN JOSE CABO 64 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 
LA PAZ 34 99 X(99) X(99) X(99) X(99) X(99) X(99)  
LA PAZ 50 22 5(27) X(27) X(27) X(27) X(27) X(27)  
LA PAZ 64 1 1( 2) X( 2) X( 2) X( 2) X( 2) X( 2)  
 
LORETO 34 5 3( 8) 1( 9) X( 9) X( 9) X( 9) X( 9)  
 
GUAYMAS 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 
LOS MOCHIS 34 3 12(15) 2(17) X(17) X(17) X(17) X(17)  
 
CULIACAN 34 2 6( 8) 5(13) 2(15) X(15) X(15) X(15)  
 
ISLAS MARIAS 34 3 1( 4) X( 4) X( 4) X( 4) X( 4) X( 4)  
 
MAZATLAN 34 4 3( 7) 1( 8) 1( 9) X( 9) X( 9) X( 9)  
 
SAN BLAS 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 
20N 110W 34 3 1( 4) X( 4) X( 4) X( 4) X( 4) X( 4)  
 

 
FORECASTER REINHART  
 
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