900  
FOPZ12 KNHC 230841  
PWSEP2  
 
TROPICAL DEPRESSION NORMA WIND SPEED PROBABILITIES NUMBER 23  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP172023  
0900 UTC MON OCT 23 2023  
 
AT 0900Z THE CENTER OF TROPICAL DEPRESSION NORMA WAS LOCATED NEAR  
LATITUDE 24.5 NORTH...LONGITUDE 108.4 WEST WITH MAXIMUM SUSTAINED  
WINDS NEAR 30 KTS...35 MPH...55 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  
06Z 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 06Z MON 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI  
PERIODS TO TO TO TO TO TO TO  
18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI 06Z SAT  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
CULIACAN 34 99 X(99) X(99) X(99) X(99) X(99) X(99)  
 

 
FORECASTER BROWN  
 
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