878  
FOPZ15 KNHC 292044  
PWSEP5  
 
HURRICANE MIRIAM WIND SPEED PROBABILITIES NUMBER 15  
NWS NATIONAL HURRICANE CENTER MIAMI FL EP152018  
2100 UTC WED AUG 29 2018  
 
AT 2100Z THE CENTER OF HURRICANE MIRIAM WAS LOCATED NEAR LATITUDE  
14.0 NORTH...LONGITUDE 139.7 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
65 KTS...75 MPH...120 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 WED 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 WED 06Z THU 18Z THU 06Z FRI 18Z FRI 18Z SAT 18Z SUN  
PERIODS TO TO TO TO TO TO TO  
06Z THU 18Z THU 06Z FRI 18Z FRI 18Z SAT 18Z SUN 18Z MON  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
10N 140W 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)  
 
15N 140W 34 92 1(93) 1(94) X(94) X(94) X(94) X(94)  
15N 140W 50 23 6(29) X(29) X(29) X(29) X(29) X(29)  
15N 140W 64 1 1( 2) X( 2) X( 2) X( 2) X( 2) X( 2)  
 
20N 140W 34 X 1( 1) 4( 5) 14(19) 14(33) X(33) X(33)  
20N 140W 50 X X( X) X( X) 1( 1) 4( 5) X( 5) X( 5)  
 
25N 140W 34 X X( X) X( X) X( X) 1( 1) 2( 3) X( 3)  
 
15N 145W 34 2 3( 5) 3( 8) 1( 9) X( 9) X( 9) X( 9)  
 
20N 145W 34 X X( X) 2( 2) 2( 4) 7(11) 1(12) X(12)  
 
25N 145W 34 X X( X) X( X) X( X) 2( 2) 9(11) 2(13)  
 
25N 150W 34 X X( X) X( X) X( X) X( X) 1( 1) 3( 4)  
 

 
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