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NHC

Tropical Storm Lala Wind Speed Probabilities

Advisory Number: 20
0900 UTC MON AUG 17 2026

686 
FOPA12 PHFO 170836
PWSCP2

TROPICAL STORM LALA WIND SPEED PROBABILITIES NUMBER 20
NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI CP012026
ISSUED BY NWS NATIONAL HURRICANE CENTER MIAMI FL
0900 UTC MON AUG 17 2026

AT 0900Z THE CENTER OF TROPICAL STORM LALA WAS LOCATED NEAR LATITUDE
20.7 NORTH...LONGITUDE 162.6 WEST WITH MAXIMUM SUSTAINED WINDS NEAR
50 KTS...60 MPH...95 KM/H.

Z INDICATES COORDINATED UNIVERSAL TIME (GREENWICH)
PACIFIC DAYLIGHT TIME (PDT)...SUBTRACT 7 HOURS FROM Z TIME
HAWAIIAN STANDARD TIME (HST)...SUBTRACT 10 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 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 06Z MON 18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI
PERIODS TO TO TO TO TO TO TO
18Z MON 06Z TUE 18Z TUE 06Z WED 06Z THU 06Z FRI 06Z SAT

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

22N 164W 34 28 6(34) X(34) X(34) X(34) X(34) X(34)

20N 165W 34 14 47(61) 1(62) X(62) X(62) X(62) X(62)
20N 165W 50 X 10(10) X(10) X(10) 1(11) X(11) X(11)
20N 165W 64 X 2( 2) X( 2) X( 2) X( 2) X( 2) X( 2)

GARDNER PINN 34 X X( X) X( X) X( X) 2( 2) 1( 3) 3( 6)

20N 170W 34 X X( X) 3( 3) 18(21) 10(31) 1(32) X(32)
20N 170W 50 X X( X) X( X) 4( 4) 4( 8) X( 8) X( 8)
20N 170W 64 X X( X) X( X) 1( 1) 2( 3) X( 3) X( 3)

25N 170W 34 X X( X) X( X) 1( 1) 7( 8) 6(14) 5(19)
25N 170W 50 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)
25N 170W 64 X X( X) X( X) X( X) X( X) 1( 1) X( 1)

30N 170W 34 X X( X) X( X) X( X) X( X) X( X) 16(16)
30N 170W 50 X X( X) X( X) X( X) X( X) X( X) 3( 3)
30N 170W 64 X X( X) X( X) X( X) X( X) X( X) 1( 1)

MARO REEF 34 X X( X) X( X) X( X) 6( 6) 13(19) 10(29)
MARO REEF 50 X X( X) X( X) X( X) X( X) 3( 3) 5( 8)
MARO REEF 64 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)

20N 175W 34 X X( X) X( X) X( X) 1( 1) 1( 2) 1( 3)

25N 175W 34 X X( X) X( X) X( X) 3( 3) 18(21) 7(28)
25N 175W 50 X X( X) X( X) X( X) 1( 1) 3( 4) 2( 6)
25N 175W 64 X X( X) X( X) X( X) X( X) 1( 1) 1( 2)

30N 175W 34 X X( X) X( X) X( X) X( X) 1( 1) 4( 5)

LAYSAN 34 X X( X) X( X) X( X) 6( 6) 32(38) 17(55)
LAYSAN 50 X X( X) X( X) X( X) X( X) 9( 9) 11(20)
LAYSAN 64 X X( X) X( X) X( X) X( X) 3( 3) 6( 9)

LISIANSKI 34 X X( X) X( X) X( X) 3( 3) 30(33) 16(49)
LISIANSKI 50 X X( X) X( X) X( X) X( X) 12(12) 9(21)
LISIANSKI 64 X X( X) X( X) X( X) X( X) 3( 3) 5( 8)

PEARL/HERMES 34 X X( X) X( X) X( X) X( X) 3( 3) 6( 9)

MIDWAY 34 X X( X) X( X) X( X) X( X) 1( 1) 2( 3)

$$
FORECASTER GIBBS/EVANS

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