Tropical Storm ISAAC
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TROPICAL STORM ISAAC WIND SPEED PROBABILITIES NUMBER 36
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012
0300 UTC THU AUG 30 2012
AT 0300Z THE CENTER OF TROPICAL STORM ISAAC WAS LOCATED NEAR
LATITUDE 30.3 NORTH...LONGITUDE 91.2 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 THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON 00Z TUE
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED 1 14 32 52 85 95 97
TROP DEPRESSION 24 55 51 48 15 6 3
TROPICAL STORM 73 30 17 X X X X
HURRICANE 2 X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 2 X X X X X X
HUR CAT 2 X X X X X X X
HUR CAT 3 X X X X X X X
HUR CAT 4 X X X X X X X
HUR CAT 5 X X X X X X X
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FCST MAX WIND 40KT 30KT 25KT 20KT 15KT 15KT 15KT
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 THU 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 THU 12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON
PERIODS TO TO TO TO TO TO TO
12Z THU 00Z FRI 12Z FRI 00Z SAT 00Z SUN 00Z MON 00Z TUE
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
MOBILE AL 34 2 1( 3) X( 3) X( 3) X( 3) X( 3) X( 3)
GULFPORT MS 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
STENNIS MS 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
BURAS LA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
JACKSON MS 34 12 2(14) X(14) X(14) X(14) X(14) X(14)
NEW ORLEANS LA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
NEW ORLEANS LA 50 99 X(99) X(99) X(99) X(99) X(99) X(99)
BATON ROUGE LA 34 97 X(97) X(97) X(97) X(97) X(97) X(97)
BATON ROUGE LA 50 10 X(10) X(10) X(10) X(10) X(10) X(10)
NEW IBERIA LA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
NEW IBERIA LA 50 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3)
SHREVEPORT LA 34 3 11(14) 2(16) X(16) X(16) X(16) X(16)
PORT ARTHUR TX 34 5 X( 5) X( 5) X( 5) X( 5) X( 5) X( 5)
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