


Tropical Cyclone Probabilities
Issued by NWS
Issued by NWS
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015 FONT15 KNHC 200235 PWSAT5 HURRICANE ERIN WIND SPEED PROBABILITIES NUMBER 35 NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025 0300 UTC WED AUG 20 2025 AT 0300Z THE CENTER OF HURRICANE ERIN WAS LOCATED NEAR LATITUDE 27.7 NORTH...LONGITUDE 73.0 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 85 KTS ...100 MPH...155 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 00Z 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 00Z WED 12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN PERIODS TO TO TO TO TO TO TO 12Z WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN 00Z MON FORECAST HOUR (12) (24) (36) (48) (72) (96) (120) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - LOCATION KT HIBERNIA OILFD 34 X X( X) X( X) X( X) X( X) 2( 2) 9(11) HIBERNIA OILFD 50 X X( X) X( X) X( X) X( X) X( X) 3( 3) CAPE RACE NFLD 34 X X( X) X( X) X( X) X( X) 7( 7) 4(11) ILE ST PIERRE 34 X X( X) X( X) X( X) X( X) 6( 6) 1( 7) BURGEO NFLD 34 X X( X) X( X) X( X) X( X) 2( 2) 1( 3) EDDY POINT NS 34 X X( X) X( X) X( X) 1( 1) 4( 5) X( 5) SYDNEY NS 34 X X( X) X( X) X( X) X( X) 4( 4) 1( 5) SABLE ISLAND 34 X X( X) X( X) X( X) 5( 5) 14(19) X(19) SABLE ISLAND 50 X X( X) X( X) X( X) X( X) 5( 5) X( 5) SABLE ISLAND 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1) YARMOUTH NS 34 X X( X) X( X) X( X) 4( 4) 1( 5) X( 5) HYANNIS MA 34 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3) NANTUCKET MA 34 X X( X) X( X) 2( 2) 7( 9) X( 9) X( 9) PROVIDENCE RI 34 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3) MONTAUK POINT 34 X X( X) X( X) 2( 2) 2( 4) X( 4) X( 4) CAPE HENLOPEN 34 X X( X) 2( 2) 2( 4) 1( 5) X( 5) X( 5) OCEAN CITY MD 34 X X( X) 3( 3) 3( 6) 1( 7) X( 7) X( 7) WALLOPS CDA 34 X X( X) 3( 3) 3( 6) 1( 7) X( 7) X( 7) NORFOLK NAS 34 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4) NORFOLK VA 34 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4) OCEANA NAS VA 34 X 1( 1) 6( 7) 2( 9) 1(10) X(10) X(10) ELIZABETH CTY 34 X 1( 1) 4( 5) 1( 6) X( 6) X( 6) X( 6) ROCKY MT NC 34 X X( X) 2( 2) 1( 3) X( 3) X( 3) X( 3) CAPE HATTERAS 34 X 7( 7) 14(21) 3(24) X(24) X(24) X(24) CHERRY PT NC 34 X 3( 3) 4( 7) X( 7) X( 7) X( 7) X( 7) NEW RIVER NC 34 X 3( 3) 3( 6) X( 6) X( 6) X( 6) X( 6) MOREHEAD CITY 34 X 6( 6) 7(13) 1(14) X(14) X(14) X(14) SURF CITY NC 34 X 5( 5) 4( 9) X( 9) X( 9) X( 9) X( 9) WILMINGTON NC 34 X 3( 3) 2( 5) X( 5) X( 5) X( 5) X( 5) BALD HEAD ISL 34 X 5( 5) 3( 8) X( 8) X( 8) X( 8) X( 8) LITTLE RIVER 34 X 3( 3) 2( 5) X( 5) X( 5) X( 5) X( 5) MYRTLE BEACH 34 X 2( 2) 2( 4) X( 4) X( 4) X( 4) X( 4) BERMUDA 34 X X( X) X( X) 4( 4) 4( 8) X( 8) X( 8) $$ FORECASTER BEVEN