369  
FONT15 KNHC 150843  
PWSAT5  
 
TROPICAL STORM ERIN WIND SPEED PROBABILITIES NUMBER 16  
NWS NATIONAL HURRICANE CENTER MIAMI FL AL052025  
0900 UTC FRI AUG 15 2025  
 
AT 0900Z THE CENTER OF TROPICAL STORM ERIN WAS LOCATED NEAR LATITUDE  
17.8 NORTH...LONGITUDE 54.4 WEST WITH MAXIMUM SUSTAINED WINDS NEAR  
60 KTS...70 MPH...110 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 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 06Z FRI 18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE  
PERIODS TO TO TO TO TO TO TO  
18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE 06Z WED  
 
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)  
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
LOCATION KT  
 
OCEAN CITY MD 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
WALLOPS CDA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
OCEANA NAS VA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
CAPE HATTERAS 34 X X( X) X( X) X( X) X( X) X( X) 6( 6)  
CAPE HATTERAS 50 X X( X) X( X) X( X) X( X) X( X) 2( 2)  
CAPE HATTERAS 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)  
 
CHERRY PT NC 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
NEW RIVER NC 34 X X( X) X( X) X( X) X( X) X( X) 6( 6)  
 
MOREHEAD CITY 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)  
 
SURF CITY NC 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)  
 
BALD HEAD ISL 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)  
 
LITTLE RIVER 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
MYRTLE BEACH 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)  
 
BERMUDA 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)  
 
GRAND BAHAMA 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)  
 
NEW PROVIDENCE 34 X X( X) X( X) X( X) X( X) 2( 2) 3( 5)  
 
ANDROS 34 X X( X) X( X) X( X) X( X) 2( 2) 3( 5)  
 
GREAT EXUMA 34 X X( X) X( X) X( X) X( X) 7( 7) 3(10)  
 
SAN SALVADOR 34 X X( X) X( X) X( X) 1( 1) 15(16) 8(24)  
SAN SALVADOR 50 X X( X) X( X) X( X) X( X) 5( 5) 3( 8)  
SAN SALVADOR 64 X X( X) X( X) X( X) X( X) 2( 2) 2( 4)  
 
MAYAGUANA 34 X X( X) X( X) X( X) 7( 7) 16(23) 3(26)  
MAYAGUANA 50 X X( X) X( X) X( X) X( X) 7( 7) 2( 9)  
MAYAGUANA 64 X X( X) X( X) X( X) X( X) 4( 4) 1( 5)  
 
GRAND TURK 34 X X( X) X( X) X( X) 20(20) 12(32) 2(34)  
GRAND TURK 50 X X( X) X( X) X( X) 5( 5) 7(12) 1(13)  
GRAND TURK 64 X X( X) X( X) X( X) 2( 2) 4( 6) 1( 7)  
 
PORT-AU-PRINCE 34 X X( X) X( X) X( X) 2( 2) 1( 3) 1( 4)  
 
PUERTO PLATA 34 X X( X) X( X) X( X) 10(10) 5(15) 1(16)  
PUERTO PLATA 50 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3)  
PUERTO PLATA 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1)  
 
SANTO DOMINGO 34 X X( X) X( X) 1( 1) 6( 7) 1( 8) 1( 9)  
 
PONCE PR 34 X X( X) 3( 3) 4( 7) 4(11) 1(12) X(12)  
 
AGUADILLA PR 34 X X( X) 2( 2) 5( 7) 6(13) 1(14) X(14)  
 
SAN JUAN PR 34 X X( X) 2( 2) 3( 5) 4( 9) 1(10) X(10)  
 
VIEQUES PR 34 X X( X) 4( 4) 7(11) 3(14) X(14) 1(15)  
 
SAINT THOMAS 34 X 1( 1) 4( 5) 10(15) 3(18) X(18) 1(19)  
SAINT THOMAS 50 X X( X) 1( 1) 2( 3) 1( 4) X( 4) 1( 5)  
 
SAINT JOHN 34 X 1( 1) 4( 5) 11(16) 2(18) 1(19) X(19)  
SAINT JOHN 50 X X( X) 1( 1) 3( 4) X( 4) 1( 5) X( 5)  
 
SAINT CROIX 34 X 1( 1) 3( 4) 5( 9) 2(11) 1(12) X(12)  
 
SAINT MAARTEN 34 X 2( 2) 10(12) 5(17) 1(18) X(18) X(18)  
SAINT MAARTEN 50 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4)  
SAINT MAARTEN 64 X X( X) 1( 1) X( 1) X( 1) X( 1) X( 1)  
 
SABA 34 X 1( 1) 6( 7) 3(10) 1(11) 1(12) X(12)  
 
ST EUSTATIUS 34 X 1( 1) 5( 6) 3( 9) 1(10) 1(11) X(11)  
 
ST KITTS-NEVIS 34 X 1( 1) 5( 6) 2( 8) 1( 9) X( 9) X( 9)  
 
BARBUDA 34 X 2( 2) 7( 9) 2(11) X(11) X(11) X(11)  
 
ANTIGUA 34 X 1( 1) 2( 3) 1( 4) X( 4) X( 4) X( 4)  
 
GUADELOUPE 34 X 1( 1) 3( 4) 1( 5) X( 5) X( 5) X( 5)  
 
AVES 34 X X( X) 3( 3) X( 3) 1( 4) X( 4) X( 4)  
 
DOMINICA 34 X 1( 1) 2( 3) X( 3) X( 3) X( 3) X( 3)  
 

 
FORECASTER KELLY  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page