Post-Tropical Cyclone Isaias Wind Speed Probabilities Number 32

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Issued at 0300 UTC WED AUG 05 2020


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FONT14 KNHC 050246
PWSAT4

POST-TROPICAL CYCLONE ISAIAS WIND SPEED PROBABILITIES NUMBER 32
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092020
0300 UTC WED AUG 05 2020

AT 0300Z THE CENTER OF POST-TROPICAL CYCLONE ISAIAS WAS LOCATED NEAR
LATITUDE 45.3 NORTH...LONGITUDE 72.5 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 40 KTS...45 MPH...75 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

PORTLAND ME 34 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3)

CONCORD NH 34 99 X(99) X(99) X(99) X(99) X(99) X(99)

PORTSMOUTH NH 34 6 X( 6) X( 6) X( 6) X( 6) X( 6) X( 6)

$$
FORECASTER BEVEN

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