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
357
FONT13 KNHC 061436
PWSAT3

TROPICAL DEPRESSION CHANTAL WIND SPEED PROBABILITIES NUMBER   8
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL032025
1500 UTC SUN JUL 06 2025

AT 1500Z THE CENTER OF TROPICAL DEPRESSION CHANTAL WAS LOCATED NEAR
LATITUDE 34.4 NORTH...LONGITUDE 79.2 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 30 KTS...35 MPH...55 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
        12Z SUN 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       12Z SUN 00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU
PERIODS         TO      TO      TO      TO      TO      TO      TO
             00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU 12Z FRI

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

RALEIGH NC     34  1   3( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)

ROCKY MT NC    34  X   4( 4)   X( 4)   X( 4)   X( 4)   X( 4)   X( 4)

FAYETTEVILLE   34  5   1( 6)   X( 6)   X( 6)   X( 6)   X( 6)   X( 6)

LITTLE RIVER   34 52   X(52)   X(52)   X(52)   X(52)   X(52)   X(52)

MYRTLE BEACH   34 33   X(33)   X(33)   X(33)   X(33)   X(33)   X(33)

$$
FORECASTER BROWN