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TROPICAL STORM BETA WIND SPEED PROBABILITIES NUMBER 12
NWS NATIONAL HURRICANE CENTER MIAMI FL AL222020
1500 UTC SUN SEP 20 2020
AT 1500Z THE CENTER OF TROPICAL STORM BETA WAS LOCATED NEAR LATITUDE
27.2 NORTH...LONGITUDE 93.0 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
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
12Z SUN 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 12Z SUN 00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU
PERIODS TO TO TO TO TO TO TO
00Z MON 12Z MON 00Z TUE 12Z TUE 12Z WED 12Z THU 12Z FRI
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
MOBILE AL 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
GULFPORT MS 34 X X( X) X( X) X( X) 1( 1) 1( 2) 1( 3)
STENNIS MS 34 X X( X) 1( 1) X( 1) 1( 2) 2( 4) 1( 5)
BURAS LA 34 X 1( 1) X( 1) X( 1) 1( 2) 2( 4) 1( 5)
GFMX 280N 890W 34 1 X( 1) 1( 2) X( 2) X( 2) 2( 4) X( 4)
JACKSON MS 34 X X( X) X( X) X( X) 1( 1) 2( 3) 2( 5)
NEW ORLEANS LA 34 1 X( 1) X( 1) 1( 2) 2( 4) 2( 6) 1( 7)
GFMX 280N 910W 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
BATON ROUGE LA 34 1 X( 1) 1( 2) 1( 3) 3( 6) 3( 9) 2(11)
MORGAN CITY LA 34 2 X( 2) 1( 3) 1( 4) 3( 7) 3(10) 1(11)
ALEXANDRIA LA 34 X 1( 1) 2( 3) 2( 5) 5(10) 3(13) 1(14)
LAFAYETTE LA 34 2 1( 3) 1( 4) 2( 6) 5(11) 2(13) 1(14)
NEW IBERIA LA 34 3 1( 4) 1( 5) 1( 6) 5(11) 2(13) 1(14)
GFMX 280N 930W 34 99 X(99) X(99) X(99) X(99) X(99) X(99)
GFMX 280N 930W 50 38 1(39) 1(40) X(40) X(40) X(40) X(40)
GFMX 280N 930W 64 1 X( 1) X( 1) X( 1) X( 1) X( 1) X( 1)
SHREVEPORT LA 34 X 1( 1) 1( 2) 2( 4) 4( 8) 2(10) 1(11)
FORT POLK LA 34 1 1( 2) 2( 4) 3( 7) 7(14) 2(16) 1(17)
LAKE CHARLES 34 4 4( 8) 2(10) 4(14) 7(21) 2(23) 1(24)
LAKE CHARLES 50 X X( X) X( X) X( X) 2( 2) 1( 3) X( 3)
CAMERON LA 34 30 9(39) 2(41) 2(43) 5(48) 2(50) X(50)
CAMERON LA 50 X 1( 1) X( 1) 1( 2) 2( 4) 2( 6) X( 6)
CAMERON LA 64 X X( X) X( X) X( X) 1( 1) X( 1) X( 1)
JASPER TX 34 1 3( 4) 2( 6) 6(12) 9(21) 1(22) 1(23)
JASPER TX 50 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3)
KOUNTZE TX 34 3 6( 9) 6(15) 8(23) 7(30) 1(31) 1(32)
KOUNTZE TX 50 X X( X) 1( 1) 1( 2) 3( 5) X( 5) 1( 6)
PORT ARTHUR TX 34 8 10(18) 5(23) 5(28) 5(33) 2(35) X(35)
PORT ARTHUR TX 50 X X( X) 1( 1) 1( 2) 3( 5) 1( 6) X( 6)
GALVESTON TX 34 39 23(62) 9(71) 2(73) 1(74) 1(75) X(75)
GALVESTON TX 50 1 7( 8) 6(14) 2(16) 3(19) X(19) 1(20)
GALVESTON TX 64 X X( X) 1( 1) 1( 2) X( 2) 1( 3) X( 3)
HOUSTON TX 34 4 20(24) 10(34) 10(44) 6(50) 1(51) X(51)
HOUSTON TX 50 X X( X) 3( 3) 5( 8) 3(11) X(11) X(11)
HOUSTON TX 64 X X( X) 1( 1) X( 1) 1( 2) X( 2) X( 2)
AUSTIN TX 34 X 2( 2) 3( 5) 9(14) 4(18) X(18) X(18)
SAN ANTONIO TX 34 X 2( 2) 2( 4) 6(10) 3(13) X(13) X(13)
FREEPORT TX 34 20 40(60) 9(69) 3(72) 1(73) 1(74) X(74)
FREEPORT TX 50 X 4( 4) 6(10) 4(14) 3(17) X(17) X(17)
FREEPORT TX 64 X X( X) 1( 1) 1( 2) 1( 3) X( 3) X( 3)
GFMX 280N 950W 34 63 19(82) 4(86) 1(87) 1(88) 1(89) X(89)
GFMX 280N 950W 50 1 25(26) 6(32) 2(34) 1(35) 1(36) X(36)
GFMX 280N 950W 64 X 5( 5) 1( 6) 1( 7) X( 7) X( 7) X( 7)
HIGH ISLAND TX 34 21 19(40) 6(46) 3(49) 5(54) 1(55) X(55)
HIGH ISLAND TX 50 X 1( 1) 2( 3) 2( 5) 2( 7) X( 7) 1( 8)
MATAGORDA TX 34 20 35(55) 13(68) 4(72) 3(75) X(75) X(75)
MATAGORDA TX 50 X 6( 6) 12(18) 5(23) 2(25) X(25) X(25)
MATAGORDA TX 64 X X( X) 3( 3) 1( 4) X( 4) X( 4) X( 4)
PORT O CONNOR 34 11 28(39) 15(54) 5(59) 4(63) X(63) X(63)
PORT O CONNOR 50 X 3( 3) 8(11) 5(16) 2(18) X(18) 1(19)
PORT O CONNOR 64 X X( X) 2( 2) 2( 4) X( 4) X( 4) X( 4)
ROCKPORT TX 34 1 6( 7) 10(17) 8(25) 5(30) X(30) X(30)
ROCKPORT TX 50 X X( X) 1( 1) 3( 4) 1( 5) X( 5) X( 5)
CORPUS CHRISTI 34 1 1( 2) 5( 7) 7(14) 5(19) X(19) X(19)
CORPUS CHRISTI 50 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3)
GFMX 270N 960W 34 8 11(19) 8(27) 4(31) 3(34) 1(35) X(35)
GFMX 270N 960W 50 X 2( 2) 2( 4) 2( 6) 1( 7) X( 7) 1( 8)
GFMX 270N 960W 64 X X( X) X( X) 1( 1) X( 1) X( 1) X( 1)
MCALLEN TX 34 X 1( 1) X( 1) 2( 3) 2( 5) X( 5) X( 5)
HARLINGEN TX 34 X 1( 1) 1( 2) 1( 3) 3( 6) X( 6) X( 6)
BROWNSVILLE TX 34 X 1( 1) 1( 2) 1( 3) 3( 6) X( 6) X( 6)
GFMX 250N 960W 34 1 1( 2) 2( 4) 1( 5) 2( 7) 1( 8) X( 8)
KEESLER AB 34 X 1( 1) X( 1) X( 1) X( 1) 2( 3) 1( 4)
$$
FORECASTER STEWART
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