426  
FOPZ12 KNHC 201457  
PWSEP2  
 
HURRICANE NORMA WIND SPEED PROBABILITIES NUMBER 12  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP172023  
1500 UTC FRI OCT 20 2023  
 
AT 1500Z THE CENTER OF HURRICANE NORMA WAS LOCATED NEAR LATITUDE  
19.4 NORTH...LONGITUDE 109.2 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
95 KTS...110 MPH...175 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  
12Z FRI 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 FRI 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE  
PERIODS TO TO TO TO TO TO TO  
00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE 12Z WED  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
CABO SAN LUCAS 34 24 62(86) 9(95) 1(96) X(96) X(96) X(96)  
CABO SAN LUCAS 50 3 32(35) 28(63) 2(65) X(65) X(65) X(65)  
CABO SAN LUCAS 64 X 8( 8) 17(25) X(25) X(25) X(25) X(25)  
 
SAN JOSE CABO 34 16 64(80) 13(93) 2(95) X(95) X(95) X(95)  
SAN JOSE CABO 50 2 22(24) 34(58) 2(60) 1(61) X(61) X(61)  
SAN JOSE CABO 64 X 5( 5) 18(23) X(23) X(23) X(23) X(23)  
 
LA PAZ 34 5 26(31) 27(58) 5(63) 1(64) X(64) X(64)  
LA PAZ 50 X 3( 3) 6( 9) 3(12) 1(13) X(13) X(13)  
LA PAZ 64 X X( X) 1( 1) X( 1) 1( 2) X( 2) X( 2)  
 
LORETO 34 X 6( 6) 4(10) 2(12) 1(13) X(13) X(13)  
 
GUAYMAS 34 X X( X) 2( 2) 1( 3) X( 3) X( 3) X( 3)  
 
HUATABAMPO 34 X 1( 1) 2( 3) X( 3) X( 3) X( 3) X( 3)  
 
LOS MOCHIS 34 1 3( 4) 3( 7) 3(10) 2(12) X(12) X(12)  
 
CULIACAN 34 2 3( 5) 2( 7) 5(12) 7(19) X(19) X(19)  
 
ISLAS MARIAS 34 6 7(13) 2(15) 1(16) 2(18) X(18) X(18)  
 
MAZATLAN 34 4 7(11) 4(15) 4(19) 5(24) 1(25) X(25)  
 
SAN BLAS 34 4 4( 8) 2(10) X(10) 1(11) X(11) X(11)  
 
P VALLARTA 34 3 1( 4) 1( 5) X( 5) X( 5) X( 5) X( 5)  
 
BARRA NAVIDAD 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 
20N 110W 34 99 X(99) X(99) X(99) X(99) X(99) X(99)  
20N 110W 50 73 1(74) X(74) X(74) X(74) X(74) X(74)  
20N 110W 64 12 1(13) X(13) X(13) X(13) X(13) X(13)  
 
ISLA SOCORRO 34 12 3(15) 2(17) X(17) X(17) X(17) X(17)  
ISLA SOCORRO 50 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 

 
FORECASTER REINHART  
 
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