Tropical Storm BERTHA
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TROPICAL STORM BERTHA WIND SPEED PROBABILITIES NUMBER 42
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL022008
1500 UTC SUN JUL 13 2008
AT 1500Z THE CENTER OF TROPICAL STORM BERTHA WAS LOCATED NEAR
LATITUDE 30.2 NORTH...LONGITUDE 63.0 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 55 KTS...65 MPH...100 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 MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU 12Z FRI
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED X 1 2 3 5 6 9
TROP DEPRESSION 2 7 11 14 17 17 19
TROPICAL STORM 91 79 69 61 53 49 45
HURRICANE 7 14 18 23 26 27 27
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 6 12 16 18 20 21 19
HUR CAT 2 1 1 2 3 4 4 5
HUR CAT 3 1 1 1 2 2 2 2
HUR CAT 4 X X X X X X 1
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 50KT 50KT 50KT 50KT 50KT 50KT 50KT
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 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 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 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
SABLE ISLAND 34 X X( X) X( X) X( X) X( X) 3( 3) 1( 4)
BERMUDA 34 10 28(38) 18(56) 4(60) 3(63) 1(64) X(64)
BERMUDA 50 X 8( 8) 7(15) 4(19) 3(22) 1(23) X(23)
BERMUDA 64 X 1( 1) 2( 3) 2( 5) X( 5) 1( 6) X( 6)
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FORECASTER AVILA
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