Tropical Storm BERTHA
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TROPICAL STORM BERTHA WIND SPEED PROBABILITIES NUMBER 54
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
1500 UTC WED JUL 16 2008
AT 1500Z THE CENTER OF TROPICAL STORM BERTHA WAS LOCATED NEAR
LATITUDE 36.6 NORTH...LONGITUDE 60.7 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 60 KTS...70 MPH...110 KM/HR.
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
I. MAXIMUM WIND SPEED (INTENSITY) PROBABILITY TABLE
CHANCES THAT THE MAXIMUM SUSTAINED (1-MINUTE AVERAGE) WIND SPEED OF
THE TROPICAL CYCLONE WILL BE WITHIN ANY OF THE FOLLOWING CATEGORIES
AT EACH OFFICIAL FORECAST TIME DURING THE NEXT 5 DAYS.
PROBABILITIES ARE GIVEN IN PERCENT. X INDICATES PROBABILITIES LESS
THAN 1 PERCENT.
- - - MAXIMUM WIND SPEED (INTENSITY) PROBABILITIES - - -
VALID TIME 00Z THU 12Z THU 00Z FRI 12Z FRI 12Z SAT 12Z SUN 12Z MON
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED X X 1 1 5 9 12
TROP DEPRESSION X 2 5 7 17 21 22
TROPICAL STORM 63 58 56 53 54 50 45
HURRICANE 37 40 38 39 24 19 21
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 35 35 32 30 18 15 17
HUR CAT 2 1 3 4 7 4 3 3
HUR CAT 3 X 1 2 2 2 1 2
HUR CAT 4 1 X X 1 X X X
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 60KT 60KT 60KT 60KT 50KT 45KT 45KT
II. WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST
...34 KT (39 MPH... 63 KPH)...
...50 KT (58 MPH... 93 KPH)...
...64 KT (74 MPH...119 KPH)...
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS
PROBABILITIES FOR LOCATIONS ARE GIVEN AS IP(CP) WHERE
IP IS THE PROBABILITY OF THE EVENT BEGINNING DURING
AN INDIVIDUAL TIME PERIOD (INDIVIDUAL PROBABILITY)
(CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN
12Z 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 64 KT ARE SHOWN WHEN THE 5-DAY CUMULATIVE
PROBABILITY IS AT LEAST 1 PERCENT.
- - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -
FROM FROM FROM FROM FROM FROM FROM
TIME 12Z WED 00Z THU 12Z THU 00Z FRI 12Z FRI 12Z SAT 12Z SUN
PERIODS TO TO TO TO TO TO TO
00Z THU 12Z THU 00Z FRI 12Z FRI 12Z SAT 12Z SUN 12Z MON
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
HIBERNIA OILFD 34 X X( X) X( X) X( X) 1( 1) 6( 7) 4(11)
CAPE RACE NFLD 34 X X( X) X( X) X( X) X( X) 3( 3) 1( 4)
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FORECASTER BLAKE
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