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TROPICAL STORM TAMMY WIND SPEED PROBABILITIES NUMBER 7
NWS NATIONAL HURRICANE CENTER MIAMI FL AL202023
0300 UTC FRI OCT 20 2023
AT 0300Z THE CENTER OF TROPICAL STORM TAMMY WAS LOCATED NEAR
LATITUDE 13.8 NORTH...LONGITUDE 57.1 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
00Z 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 00Z FRI 12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE
PERIODS TO TO TO TO TO TO TO
12Z FRI 00Z SAT 12Z SAT 00Z SUN 00Z MON 00Z TUE 00Z WED
FORECAST HOUR (12) (24) (36) (48) (72) (96) (120)
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
LOCATION KT
PONCE PR 34 X X( X) 1( 1) 2( 3) 4( 7) 2( 9) X( 9)
AGUADILLA PR 34 X X( X) X( X) 2( 2) 3( 5) 2( 7) X( 7)
SAN JUAN PR 34 X X( X) X( X) 1( 1) 4( 5) 1( 6) X( 6)
VIEQUES PR 34 X X( X) 3( 3) 3( 6) 8(14) 3(17) X(17)
SAINT THOMAS 34 X X( X) 4( 4) 6(10) 11(21) 3(24) X(24)
SAINT THOMAS 50 X X( X) X( X) 1( 1) 4( 5) 1( 6) X( 6)
SAINT THOMAS 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2)
SAINT JOHN 34 X X( X) 5( 5) 7(12) 11(23) 3(26) X(26)
SAINT JOHN 50 X X( X) X( X) 1( 1) 5( 6) 1( 7) X( 7)
SAINT JOHN 64 X X( X) X( X) X( X) 1( 1) 1( 2) X( 2)
SAINT CROIX 34 X X( X) 5( 5) 6(11) 7(18) 3(21) X(21)
SAINT CROIX 50 X X( X) X( X) 1( 1) 2( 3) 1( 4) X( 4)
SAINT MAARTEN 34 X 3( 3) 14(17) 30(47) 12(59) 1(60) X(60)
SAINT MAARTEN 50 X X( X) 2( 2) 17(19) 12(31) X(31) X(31)
SAINT MAARTEN 64 X X( X) X( X) 5( 5) 7(12) 1(13) X(13)
SABA 34 X 3( 3) 15(18) 23(41) 8(49) 2(51) X(51)
SABA 50 X X( X) 2( 2) 13(15) 7(22) X(22) X(22)
SABA 64 X X( X) X( X) 4( 4) 4( 8) X( 8) X( 8)
ST EUSTATIUS 34 X 4( 4) 19(23) 25(48) 7(55) 1(56) X(56)
ST EUSTATIUS 50 X X( X) 3( 3) 18(21) 5(26) 1(27) X(27)
ST EUSTATIUS 64 X X( X) X( X) 6( 6) 4(10) X(10) X(10)
ST KITTS-NEVIS 34 X 5( 5) 26(31) 25(56) 5(61) 1(62) X(62)
ST KITTS-NEVIS 50 X X( X) 7( 7) 20(27) 4(31) 1(32) X(32)
ST KITTS-NEVIS 64 X X( X) 1( 1) 7( 8) 3(11) X(11) X(11)
BARBUDA 34 1 5( 6) 44(50) 28(78) 5(83) X(83) X(83)
BARBUDA 50 X X( X) 16(16) 29(45) 6(51) X(51) X(51)
BARBUDA 64 X X( X) 3( 3) 13(16) 3(19) X(19) X(19)
ANTIGUA 34 X 3( 3) 45(48) 18(66) 3(69) X(69) X(69)
ANTIGUA 50 X X( X) 10(10) 13(23) 2(25) X(25) X(25)
ANTIGUA 64 X X( X) 1( 1) 2( 3) X( 3) X( 3) X( 3)
GUADELOUPE 34 1 16(17) 49(66) 7(73) 2(75) X(75) X(75)
GUADELOUPE 50 X 2( 2) 36(38) 7(45) 1(46) X(46) X(46)
GUADELOUPE 64 X X( X) 9( 9) 5(14) X(14) X(14) X(14)
AVES 34 X 3( 3) 5( 8) 5(13) 3(16) X(16) X(16)
DOMINICA 34 1 18(19) 26(45) 3(48) 1(49) X(49) X(49)
DOMINICA 50 X 2( 2) 12(14) 2(16) X(16) X(16) X(16)
DOMINICA 64 X X( X) 2( 2) 1( 3) X( 3) X( 3) X( 3)
MARTINIQUE 34 X 9( 9) 8(17) 1(18) 1(19) X(19) X(19)
SAINT LUCIA 34 1 4( 5) 5(10) 2(12) 1(13) X(13) X(13)
SAINT VINCENT 34 1 1( 2) 4( 6) 1( 7) 1( 8) X( 8) X( 8)
BARBADOS 34 2 5( 7) 3(10) 1(11) X(11) X(11) X(11)
GRENADA 34 X 2( 2) 1( 3) 1( 4) X( 4) X( 4) X( 4)
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