Tropical Storm KATIA
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TROPICAL STORM KATIA WIND SPEED PROBABILITIES NUMBER 8
NWS NATIONAL HURRICANE CENTER MIAMI FL AL122011
0300 UTC WED AUG 31 2011
AT 0300Z THE CENTER OF TROPICAL STORM KATIA WAS LOCATED NEAR
LATITUDE 13.3 NORTH...LONGITUDE 37.5 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 50 KTS...60 MPH...95 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 WED 00Z THU 12Z THU 00Z FRI 00Z SAT 00Z SUN 00Z MON
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED X X X X X X X
TROP DEPRESSION 1 1 1 1 1 1 1
TROPICAL STORM 67 35 18 12 10 6 12
HURRICANE 32 64 81 87 89 93 88
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 30 52 50 37 29 23 29
HUR CAT 2 2 10 22 28 28 26 25
HUR CAT 3 X 2 8 18 24 31 24
HUR CAT 4 X 1 2 4 7 12 8
HUR CAT 5 X X X X 1 2 1
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 60KT 70KT 80KT 90KT 100KT 110KT 110KT
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 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 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
PONCE 34 X X( X) X( X) X( X) X( X) X( X) 3( 3)
SAN JUAN 34 X X( X) X( X) X( X) X( X) X( X) 4( 4)
SAINT THOMAS 34 X X( X) X( X) X( X) X( X) 1( 1) 5( 6)
SAINT CROIX 34 X X( X) X( X) X( X) X( X) 1( 1) 4( 5)
SAINT MAARTEN 34 X X( X) X( X) X( X) X( X) 3( 3) 8(11)
SAINT MAARTEN 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
SAINT MAARTEN 64 X X( X) X( X) X( X) X( X) X( X) 2( 2)
ST KITTS-NEVIS 34 X X( X) X( X) X( X) X( X) 3( 3) 6( 9)
ST KITTS-NEVIS 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
ST KITTS-NEVIS 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)
BARBUDA 34 X X( X) X( X) X( X) X( X) 7( 7) 7(14)
BARBUDA 50 X X( X) X( X) X( X) X( X) 1( 1) 3( 4)
BARBUDA 64 X X( X) X( X) X( X) X( X) X( X) 2( 2)
ANTIGUA 34 X X( X) X( X) X( X) X( X) 6( 6) 5(11)
ANTIGUA 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
ANTIGUA 64 X X( X) X( X) X( X) X( X) X( X) 2( 2)
GUADELOUPE 34 X X( X) X( X) X( X) X( X) 4( 4) 4( 8)
GUADELOUPE 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
GUADELOUPE 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)
AVES 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
DOMINICA 34 X X( X) X( X) X( X) X( X) 3( 3) 2( 5)
MARTINIQUE 34 X X( X) X( X) X( X) X( X) 3( 3) X( 3)
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FORECASTER BROWN
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