Tropical Depression TWELVE
ZCZC MIAPWSAT2 ALL
TTAA00 KNHC DDHHMM
TROPICAL DEPRESSION TWELVE WIND SPEED PROBABILITIES NUMBER 4
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
0300 UTC TUE AUG 30 2011
AT 0300Z THE CENTER OF TROPICAL DEPRESSION TWELVE WAS LOCATED NEAR
LATITUDE 11.0 NORTH...LONGITUDE 30.0 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
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 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT 00Z SUN
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED 2 1 2 1 1 1 1
TROP DEPRESSION 33 14 11 7 4 3 2
TROPICAL STORM 64 75 70 54 41 28 22
HURRICANE 1 9 17 37 54 68 75
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 1 8 14 29 37 39 36
HUR CAT 2 X 1 2 6 12 19 22
HUR CAT 3 X X 1 2 5 9 16
HUR CAT 4 X X X X 1 2 2
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 35KT 45KT 50KT 60KT 70KT 80KT 90KT
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
00Z TUE 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 00Z TUE 12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT
PERIODS TO TO TO TO TO TO TO
12Z TUE 00Z WED 12Z WED 00Z THU 00Z FRI 00Z SAT 00Z SUN
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
SAINT MAARTEN 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
BARBUDA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
ANTIGUA 34 X X( X) X( X) X( X) X( X) X( X) 5( 5)
GUADELOUPE 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
GUADELOUPE 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)
DOMINICA 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
MARTINIQUE 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
SAINT LUCIA 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
BARBADOS 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
$$
FORECASTER STEWART
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