063 
FONT12 KNHC 120839 
PWSAT2 
 
HURRICANE OPHELIA WIND SPEED PROBABILITIES NUMBER 13 
NWS NATIONAL HURRICANE CENTER MIAMI FL AL172017 
0900 UTC THU OCT 12 2017 
 
AT 0900Z THE CENTER OF HURRICANE OPHELIA WAS LOCATED NEAR LATITUDE 
30.3 NORTH...LONGITUDE 35.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 
75 KTS...85 MPH...140 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 
 06Z THU 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 THU 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 
PERIODS TO TO TO TO TO TO TO 
 18Z THU 06Z FRI 18Z FRI 06Z SAT 06Z SUN 06Z MON 06Z TUE 
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) 
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
LOCATION KT 
 
PONTA DELGADA 34 X X( X) X( X) 3( 3) 28(31) 1(32) X(32) 
PONTA DELGADA 50 X X( X) X( X) X( X) 10(10) X(10) X(10) 
PONTA DELGADA 64 X X( X) X( X) X( X) 3( 3) X( 3) X( 3)