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TROPICAL STORM HARVEY WIND SPEED PROBABILITIES NUMBER 34
NWS NATIONAL HURRICANE CENTER MIAMI FL AL092017
2100 UTC MON AUG 28 2017
AT 2100Z THE CENTER OF TROPICAL STORM HARVEY WAS LOCATED NEAR
LATITUDE 28.5 NORTH...LONGITUDE 95.7 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 40 KTS...45 MPH...75 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
WIND SPEED PROBABILITY TABLE FOR SPECIFIC LOCATIONS
CHANCES OF SUSTAINED (1-MINUTE AVERAGE) WIND SPEEDS OF AT LEAST
...34 KT (39 MPH... 63 KM/H)...
...50 KT (58 MPH... 93 KM/H)...
...64 KT (74 MPH...119 KM/H)...
FOR LOCATIONS AND TIME PERIODS DURING THE NEXT 5 DAYS
PROBABILITIES FOR LOCATIONS ARE GIVEN AS OP(CP) WHERE
OP IS THE PROBABILITY OF THE EVENT BEGINNING DURING
AN INDIVIDUAL TIME PERIOD (ONSET PROBABILITY)
(CP) IS THE PROBABILITY OF THE EVENT OCCURRING BETWEEN
18Z 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 34...50...64 KT SHOWN WHEN THE 5-DAY
64-KT CUMULATIVE PROBABILITY IS AT LEAST 1 PERCENT.
- - - - WIND SPEED PROBABILITIES FOR SELECTED LOCATIONS - - - -
FROM FROM FROM FROM FROM FROM FROM
TIME 18Z MON 06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI
PERIODS TO TO TO TO TO TO TO
06Z TUE 18Z TUE 06Z WED 18Z WED 18Z THU 18Z FRI 18Z SAT
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
MOBILE AL 34 X X( X) X( X) 1( 1) 2( 3) 1( 4) X( 4)
GULFPORT MS 34 X X( X) 1( 1) 2( 3) 2( 5) 1( 6) X( 6)
STENNIS MS 34 X 1( 1) 1( 2) 2( 4) 2( 6) 1( 7) X( 7)
BURAS LA 34 X 1( 1) 1( 2) 2( 4) 2( 6) X( 6) X( 6)
GFMX 280N 890W 34 X X( X) 1( 1) 1( 2) 1( 3) X( 3) X( 3)
JACKSON MS 34 X X( X) 1( 1) 2( 3) 6( 9) 1(10) 1(11)
NEW ORLEANS LA 34 1 1( 2) 2( 4) 3( 7) 2( 9) 1(10) X(10)
GFMX 280N 910W 34 2 3( 5) 3( 8) 2(10) 1(11) X(11) X(11)
BATON ROUGE LA 34 1 3( 4) 3( 7) 6(13) 4(17) X(17) X(17)
MORGAN CITY LA 34 2 4( 6) 6(12) 4(16) 2(18) X(18) X(18)
ALEXANDRIA LA 34 2 3( 5) 3( 8) 12(20) 8(28) X(28) 1(29)
ALEXANDRIA LA 50 X X( X) X( X) 1( 1) 2( 3) X( 3) 1( 4)
LAFAYETTE LA 34 3 6( 9) 9(18) 8(26) 4(30) X(30) X(30)
NEW IBERIA LA 34 3 7(10) 8(18) 8(26) 2(28) X(28) X(28)
GFMX 280N 930W 34 33 16(49) 6(55) 2(57) X(57) X(57) X(57)
GFMX 280N 930W 50 X 1( 1) 2( 3) X( 3) X( 3) X( 3) X( 3)
SHREVEPORT LA 34 1 1( 2) 1( 3) 6( 9) 7(16) 1(17) X(17)
SHREVEPORT LA 50 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3)
FORT POLK LA 34 3 5( 8) 7(15) 14(29) 6(35) X(35) 1(36)
FORT POLK LA 50 X X( X) X( X) 3( 3) 1( 4) X( 4) 1( 5)
FORT POLK LA 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1)
LAKE CHARLES 34 11 14(25) 13(38) 10(48) 3(51) X(51) X(51)
LAKE CHARLES 50 X X( X) 1( 1) 3( 4) 1( 5) X( 5) X( 5)
CAMERON LA 34 25 16(41) 11(52) 7(59) 2(61) X(61) X(61)
CAMERON LA 50 X 1( 1) 3( 4) 2( 6) 1( 7) X( 7) X( 7)
JASPER TX 34 4 7(11) 7(18) 13(31) 4(35) X(35) X(35)
JASPER TX 50 X X( X) 1( 1) 3( 4) 1( 5) X( 5) X( 5)
JASPER TX 64 X X( X) X( X) 1( 1) X( 1) X( 1) X( 1)
KOUNTZE TX 34 33 7(40) 7(47) 6(53) 2(55) X(55) X(55)
KOUNTZE TX 50 X X( X) 2( 2) 3( 5) 1( 6) X( 6) X( 6)
PORT ARTHUR TX 34 46 8(54) 6(60) 5(65) 1(66) X(66) X(66)
PORT ARTHUR TX 50 X 1( 1) 3( 4) 3( 7) X( 7) X( 7) X( 7)
PORT ARTHUR TX 64 X X( X) 1( 1) X( 1) X( 1) X( 1) X( 1)
GALVESTON TX 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
GALVESTON TX 50 3 4( 7) 3(10) 1(11) X(11) X(11) X(11)
GALVESTON TX 64 X 1( 1) X( 1) 1( 2) X( 2) X( 2) X( 2)
HOUSTON TX 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
HOUSTON TX 50 1 X( 1) 1( 2) 2( 4) X( 4) X( 4) X( 4)
AUSTIN TX 34 1 1( 2) 1( 3) 1( 4) 1( 5) X( 5) X( 5)
SAN ANTONIO TX 34 1 1( 2) 1( 3) X( 3) 1( 4) X( 4) X( 4)
FREEPORT TX 34 85 3(88) 1(89) 1(90) X(90) X(90) X(90)
FREEPORT TX 50 5 2( 7) 2( 9) X( 9) X( 9) X( 9) X( 9)
GFMX 280N 950W 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
GFMX 280N 950W 50 8 4(12) 2(14) X(14) X(14) X(14) X(14)
GFMX 280N 950W 64 1 X( 1) 1( 2) X( 2) X( 2) X( 2) X( 2)
HIGH ISLAND TX 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
HIGH ISLAND TX 50 1 4( 5) 4( 9) 2(11) X(11) X(11) X(11)
HIGH ISLAND TX 64 X X( X) 1( 1) X( 1) 1( 2) X( 2) X( 2)
MATAGORDA TX 34 48 11(59) 2(61) 1(62) X(62) X(62) X(62)
MATAGORDA TX 50 3 1( 4) 1( 5) 1( 6) X( 6) X( 6) X( 6)
PORT O CONNOR 34 52 4(56) 1(57) X(57) 1(58) X(58) X(58)
PORT O CONNOR 50 2 X( 2) 1( 3) X( 3) X( 3) X( 3) X( 3)
ROCKPORT TX 34 16 4(20) 1(21) 1(22) X(22) X(22) X(22)
CORPUS CHRISTI 34 7 2( 9) 1(10) 1(11) X(11) X(11) X(11)
GFMX 270N 960W 34 38 4(42) 1(43) 1(44) X(44) X(44) X(44)
MCALLEN TX 34 1 1( 2) 1( 3) X( 3) X( 3) X( 3) X( 3)
HARLINGEN TX 34 3 1( 4) X( 4) 1( 5) X( 5) X( 5) X( 5)
BROWNSVILLE TX 34 3 1( 4) X( 4) 1( 5) X( 5) X( 5) X( 5)
GFMX 250N 960W 34 2 2( 4) X( 4) X( 4) X( 4) X( 4) X( 4)
$$
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