Post-Tropical Cyclone IRENE
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POST-TROPICAL CYCLONE IRENE WIND SPEED PROBABILITIES NUMBER 35
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011
0300 UTC MON AUG 29 2011
AT 0300Z THE CENTER OF POST-TROPICAL CYCLONE IRENE WAS LOCATED NEAR
LATITUDE 45.3 NORTH...LONGITUDE 71.3 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 45 KTS...50 MPH...85 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 MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI 00Z SAT
FORECAST HOUR 12 24 36 48 72 96 120
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
DISSIPATED 1 4 10 13 14 18 20
TROP DEPRESSION 23 31 32 29 25 30 31
TROPICAL STORM 75 62 54 52 53 46 43
HURRICANE 2 3 4 7 8 6 6
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
HUR CAT 1 2 3 3 6 7 5 5
HUR CAT 2 X X X 1 1 1 1
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 40KT 40KT 40KT 40KT 35KT 35KT
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 MON 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 MON 12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI
PERIODS TO TO TO TO TO TO TO
12Z MON 00Z TUE 12Z TUE 00Z WED 00Z THU 00Z FRI 00Z SAT
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
HALIFAX NS 34 3 X( 3) X( 3) X( 3) X( 3) X( 3) X( 3)
YARMOUTH NS 34 17 X(17) X(17) X(17) X(17) X(17) X(17)
MONCTON NB 34 17 1(18) X(18) X(18) X(18) X(18) X(18)
ST JOHN NB 34 27 1(28) X(28) X(28) X(28) X(28) X(28)
EASTPORT ME 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
BAR HARBOR ME 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
AUGUSTA ME 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
PORTLAND ME 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
CONCORD NH 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
BOSTON MA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
HYANNIS MA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
NANTUCKET MA 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
PROVIDENCE RI 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
HARTFORD CT 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
MONTAUK POINT 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
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FORECASTER BERG/STEWART
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