Tropical Cyclone Probabilities
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
839
FONT15 KNHC 182044
PWSAT5

HURRICANE ERIN WIND SPEED PROBABILITIES NUMBER  30
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL052025
2100 UTC MON AUG 18 2025

AT 2100Z THE CENTER OF HURRICANE ERIN WAS LOCATED NEAR LATITUDE 24.0
NORTH...LONGITUDE 71.3 WEST WITH MAXIMUM SUSTAINED WINDS NEAR 120
KTS...140 MPH...220 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
        18Z 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       18Z MON 06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI
PERIODS         TO      TO      TO      TO      TO      TO      TO
             06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI 18Z SAT

FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION       KT

HIBERNIA OILFD 34  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)   X( X)   5( 5)

ILE ST PIERRE  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   6( 6)

BURGEO NFLD    34  X   X( X)   X( X)   X( X)   X( X)   X( X)   4( 4)

PTX BASQUES    34  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)

EDDY POINT NS  34  X   X( X)   X( X)   X( X)   X( X)   X( X)   7( 7)

SYDNEY NS      34  X   X( X)   X( X)   X( X)   X( X)   X( X)   6( 6)

SABLE ISLAND   34  X   X( X)   X( X)   X( X)   X( X)   2( 2)  15(17)
SABLE ISLAND   50  X   X( X)   X( X)   X( X)   X( X)   X( X)   7( 7)
SABLE ISLAND   64  X   X( X)   X( X)   X( X)   X( X)   X( X)   3( 3)

HALIFAX NS     34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   2( 3)

YARMOUTH NS    34  X   X( X)   X( X)   X( X)   X( X)   4( 4)   3( 7)

ST JOHN NB     34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   2( 3)

EASTPORT ME    34  X   X( X)   X( X)   X( X)   X( X)   1( 1)   2( 3)

HYANNIS MA     34  X   X( X)   X( X)   X( X)   X( X)   3( 3)   X( 3)

NANTUCKET MA   34  X   X( X)   X( X)   X( X)   X( X)   9( 9)   1(10)

PROVIDENCE RI  34  X   X( X)   X( X)   X( X)   X( X)   5( 5)   X( 5)

MONTAUK POINT  34  X   X( X)   X( X)   X( X)   1( 1)   5( 6)   X( 6)

NYC JFK AIRPRT 34  X   X( X)   X( X)   X( X)   1( 1)   3( 4)   X( 4)

CAPE HENLOPEN  34  X   X( X)   X( X)   X( X)   5( 5)   2( 7)   X( 7)

OCEAN CITY MD  34  X   X( X)   X( X)   X( X)   8( 8)   2(10)   X(10)

WALLOPS CDA    34  X   X( X)   X( X)   X( X)   8( 8)   2(10)   X(10)

NORFOLK NAS    34  X   X( X)   X( X)   X( X)   4( 4)   1( 5)   X( 5)

NORFOLK VA     34  X   X( X)   X( X)   X( X)   5( 5)   X( 5)   X( 5)

OCEANA NAS VA  34  X   X( X)   X( X)   X( X)  12(12)   1(13)   X(13)

ELIZABETH CTY  34  X   X( X)   X( X)   X( X)   7( 7)   X( 7)   X( 7)

ROCKY MT NC    34  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

CAPE HATTERAS  34  X   X( X)   X( X)   4( 4)  28(32)   1(33)   X(33)
CAPE HATTERAS  50  X   X( X)   X( X)   X( X)   7( 7)   X( 7)   X( 7)
CAPE HATTERAS  64  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

FAYETTEVILLE   34  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

CHERRY PT NC   34  X   X( X)   X( X)   2( 2)   6( 8)   X( 8)   X( 8)

NEW RIVER NC   34  X   X( X)   X( X)   1( 1)   6( 7)   X( 7)   X( 7)

MOREHEAD CITY  34  X   X( X)   X( X)   4( 4)  17(21)   X(21)   X(21)
MOREHEAD CITY  50  X   X( X)   X( X)   X( X)   3( 3)   X( 3)   X( 3)

SURF CITY NC   34  X   X( X)   X( X)   3( 3)  10(13)   1(14)   X(14)

WILMINGTON NC  34  X   X( X)   X( X)   1( 1)   5( 6)   X( 6)   X( 6)

BALD HEAD ISL  34  X   X( X)   X( X)   4( 4)   8(12)   X(12)   X(12)

LITTLE RIVER   34  X   X( X)   X( X)   2( 2)   6( 8)   X( 8)   X( 8)

MYRTLE BEACH   34  X   X( X)   X( X)   2( 2)   4( 6)   1( 7)   X( 7)

CHARLESTON SC  34  X   X( X)   X( X)   1( 1)   1( 2)   1( 3)   X( 3)

BERMUDA        34  X   X( X)   X( X)   X( X)   3( 3)  12(15)   1(16)

GRAND BAHAMA   34  X   1( 1)   3( 4)   1( 5)   X( 5)   X( 5)   X( 5)

NEW PROVIDENCE 34  1   4( 5)   3( 8)   X( 8)   X( 8)   X( 8)   X( 8)

ANDROS         34  1   1( 2)   1( 3)   X( 3)   X( 3)   X( 3)   X( 3)

GREAT EXUMA    34  4   3( 7)   2( 9)   X( 9)   X( 9)   X( 9)   X( 9)

SAN SALVADOR   34 23   8(31)   3(34)   1(35)   X(35)   X(35)   X(35)
SAN SALVADOR   50  2   2( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)

MAYAGUANA      34 18   3(21)   X(21)   X(21)   X(21)   X(21)   X(21)

GRAND TURK     34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)

$$
FORECASTER PASCH