Tropical Storm HARVEY Advisory Sat Aug 26

ZCZC MIAPWSAT4 ALL
TTAA00 KNHC DDHHMM

HURRICANE HARVEY WIND SPEED PROBABILITIES NUMBER  20
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL092017
0900 UTC FRI AUG 25 2017

AT 0900Z THE CENTER OF HURRICANE HARVEY WAS LOCATED NEAR LATITUDE
25.9 NORTH...LONGITUDE 95.4 WEST WITH MAXIMUM SUSTAINED WINDS NEAR
90 KTS...105 MPH...165 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
        06Z FRI 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       06Z FRI 18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE
PERIODS         TO      TO      TO      TO      TO      TO      TO
             18Z FRI 06Z SAT 18Z SAT 06Z SUN 06Z MON 06Z TUE 06Z WED

FORECAST HOUR    (12)   (24)    (36)    (48)    (72)    (96)   (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION       KT

STENNIS MS     34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   2( 4)

BURAS LA       34  X   X( X)   X( X)   X( X)   1( 1)   2( 3)   2( 5)

GFMX 280N 890W 34  X   X( X)   X( X)   X( X)   X( X)   2( 2)   1( 3)

NEW ORLEANS LA 34  X   X( X)   X( X)   X( X)   1( 1)   4( 5)   2( 7)

GFMX 280N 910W 34  1   X( 1)   X( 1)   1( 2)   3( 5)   8(13)   1(14)

BATON ROUGE LA 34  X   X( X)   X( X)   1( 1)   2( 3)   5( 8)   3(11)

MORGAN CITY LA 34  X   X( X)   1( 1)   1( 2)   2( 4)   7(11)   2(13)

ALEXANDRIA LA  34  X   1( 1)   1( 2)   2( 4)   3( 7)   4(11)   4(15)

LAFAYETTE LA   34  X   1( 1)   2( 3)   1( 4)   5( 9)   6(15)   3(18)

NEW IBERIA LA  34  X   1( 1)   2( 3)   1( 4)   5( 9)   7(16)   3(19)

GFMX 280N 930W 34  2   2( 4)   3( 7)   5(12)  13(25)  14(39)   3(42)
GFMX 280N 930W 50  X   X( X)   X( X)   1( 1)   2( 3)   8(11)   1(12)
GFMX 280N 930W 64  X   X( X)   X( X)   X( X)   X( X)   4( 4)   X( 4)

SHREVEPORT LA  34  X   X( X)   2( 2)   2( 4)   3( 7)   2( 9)   3(12)

FORT POLK LA   34  X   2( 2)   3( 5)   3( 8)   5(13)   5(18)   4(22)

LAKE CHARLES   34  1   3( 4)   3( 7)   4(11)   7(18)   8(26)   3(29)
LAKE CHARLES   50  X   X( X)   X( X)   X( X)   1( 1)   2( 3)   X( 3)
LAKE CHARLES   64  X   X( X)   X( X)   X( X)   X( X)   1( 1)   X( 1)

CAMERON LA     34  1   3( 4)   3( 7)   5(12)   9(21)  10(31)   3(34)
CAMERON LA     50  X   X( X)   X( X)   X( X)   2( 2)   3( 5)   1( 6)
CAMERON LA     64  X   X( X)   X( X)   X( X)   X( X)   2( 2)   X( 2)

JASPER TX      34  1   3( 4)   3( 7)   4(11)   8(19)   5(24)   4(28)

KOUNTZE TX     34  1   4( 5)   6(11)   6(17)  13(30)   6(36)   3(39)
KOUNTZE TX     50  X   X( X)   1( 1)   X( 1)   2( 3)   2( 5)   1( 6)

PORT ARTHUR TX 34  2   4( 6)   5(11)   7(18)  12(30)   9(39)   2(41)
PORT ARTHUR TX 50  X   X( X)   1( 1)   X( 1)   2( 3)   3( 6)   X( 6)
PORT ARTHUR TX 64  X   X( X)   X( X)   X( X)   X( X)   2( 2)   X( 2)

GALVESTON TX   34  3  25(28)   8(36)  10(46)  18(64)   8(72)   X(72)
GALVESTON TX   50  X   1( 1)   2( 3)   3( 6)   8(14)   6(20)   1(21)
GALVESTON TX   64  X   X( X)   X( X)   1( 1)   3( 4)   3( 7)   X( 7)

HOUSTON TX     34  2  31(33)  12(45)  11(56)  15(71)   4(75)   1(76)
HOUSTON TX     50  X   1( 1)   2( 3)   3( 6)   6(12)   4(16)   X(16)
HOUSTON TX     64  X   X( X)   X( X)   1( 1)   X( 1)   1( 2)   X( 2)

AUSTIN TX      34  1  22(23)  22(45)  13(58)  12(70)   1(71)   X(71)
AUSTIN TX      50  X   1( 1)   4( 5)   4( 9)   3(12)   1(13)   X(13)
AUSTIN TX      64  X   X( X)   X( X)   1( 1)   1( 2)   X( 2)   X( 2)

SAN ANTONIO TX 34  1  41(42)  21(63)   9(72)  11(83)   1(84)   X(84)
SAN ANTONIO TX 50  X   3( 3)   8(11)  10(21)   6(27)   X(27)   1(28)
SAN ANTONIO TX 64  X   1( 1)   1( 2)   3( 5)   2( 7)   X( 7)   X( 7)

FREEPORT TX    34 14  53(67)   6(73)   8(81)  10(91)   2(93)   X(93)
FREEPORT TX    50  1   4( 5)   4( 9)   7(16)  13(29)   7(36)   X(36)
FREEPORT TX    64  X   1( 1)   1( 2)   3( 5)   7(12)   5(17)   X(17)

GFMX 280N 950W 34 85   5(90)   1(91)   2(93)   4(97)   X(97)   1(98)
GFMX 280N 950W 50  1   4( 5)   3( 8)   6(14)  17(31)  12(43)   1(44)
GFMX 280N 950W 64  X   X( X)   X( X)   4( 4)   8(12)  11(23)   X(23)

HIGH ISLAND TX 34  2   9(11)   8(19)  10(29)  16(45)  10(55)   1(56)
HIGH ISLAND TX 50  X   1( 1)   1( 2)   1( 3)   5( 8)   5(13)   1(14)
HIGH ISLAND TX 64  X   X( X)   X( X)   X( X)   2( 2)   2( 4)   1( 5)

MATAGORDA TX   34 48  47(95)   1(96)   1(97)   2(99)   X(99)   X(99)
MATAGORDA TX   50  1  22(23)   7(30)  10(40)  19(59)   4(63)   X(63)
MATAGORDA TX   64  X   6( 6)   4(10)   6(16)  12(28)   5(33)   X(33)

PORT O CONNOR  34 77  22(99)   X(99)   1(99)   X(99)   X(99)   X(99)
PORT O CONNOR  50  2  60(62)   6(68)   9(77)  11(88)   1(89)   X(89)
PORT O CONNOR  64  X  29(29)   8(37)   7(44)  15(59)   3(62)   X(62)

ROCKPORT TX    34 83  17(99)   X(99)   X(99)   X(99)   X(99)   X(99)
ROCKPORT TX    50  4  88(92)   3(95)   1(96)   1(97)   X(97)   X(97)
ROCKPORT TX    64  1  75(76)   6(82)   2(84)   3(87)   1(88)   X(88)

CORPUS CHRISTI 34 64  35(99)   1(99)   X(99)   X(99)   X(99)   X(99)
CORPUS CHRISTI 50  2  79(81)   4(85)   1(86)   4(90)   X(90)   X(90)
CORPUS CHRISTI 64  X  54(54)   7(61)   1(62)   8(70)   1(71)   X(71)

GFMX 270N 960W 34 99   X(99)   X(99)   X(99)   X(99)   X(99)   X(99)
GFMX 270N 960W 50 94   2(96)   X(96)   1(97)   X(97)   X(97)   X(97)
GFMX 270N 960W 64 78   4(82)   1(83)   1(84)   1(85)   1(86)   X(86)

MCALLEN TX     34  3  10(13)   7(20)   8(28)  25(53)   5(58)   X(58)
MCALLEN TX     50  1   1( 2)   1( 3)   1( 4)   6(10)   3(13)   X(13)
MCALLEN TX     64  X   X( X)   1( 1)   X( 1)   X( 1)   1( 2)   X( 2)

HARLINGEN TX   34 12  12(24)   7(31)   6(37)  25(62)   5(67)   1(68)
HARLINGEN TX   50  2   2( 4)   1( 5)   2( 7)  11(18)   4(22)   X(22)
HARLINGEN TX   64  X   1( 1)   X( 1)   X( 1)   4( 5)   2( 7)   X( 7)

BROWNSVILLE TX 34 10   8(18)   6(24)   6(30)  25(55)   6(61)   1(62)
BROWNSVILLE TX 50  2   1( 3)   1( 4)   1( 5)   9(14)   5(19)   X(19)
BROWNSVILLE TX 64  X   X( X)   1( 1)   X( 1)   3( 4)   3( 7)   X( 7)

GFMX 250N 960W 34  3   2( 5)   4( 9)   4(13)  17(30)  10(40)   1(41)
GFMX 250N 960W 50  1   X( 1)   X( 1)   X( 1)   4( 5)   5(10)   1(11)
GFMX 250N 960W 64  X   X( X)   X( X)   X( X)   1( 1)   3( 4)   X( 4)

LA PESCA MX    34  1   1( 2)   2( 4)   2( 6)   6(12)   4(16)   1(17)

TAMPICO MX     34  X   X( X)   X( X)   X( X)   2( 2)   2( 4)   X( 4)

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