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NHC

Tropical Storm Norbert Wind Speed Probabilities

Advisory Number: 8
1500 UTC FRI SEP 11 2026

000
FOPZ14 KNHC 111444
PWSEP4

TROPICAL STORM NORBERT WIND SPEED PROBABILITIES NUMBER 8
NWS NATIONAL HURRICANE CENTER MIAMI FL EP142026
1500 UTC FRI SEP 11 2026

AT 1500Z THE CENTER OF TROPICAL STORM NORBERT WAS LOCATED NEAR
LATITUDE 16.6 NORTH...LONGITUDE 124.7 WEST WITH MAXIMUM SUSTAINED
WINDS NEAR 55 KTS...65 MPH...100 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
12Z 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 12Z FRI 00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE
PERIODS TO TO TO TO TO TO TO
00Z SAT 12Z SAT 00Z SUN 12Z SUN 12Z MON 12Z TUE 12Z WED

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

20N 135W 34 X X( X) X( X) X( X) 19(19) 1(20) X(20)
20N 135W 50 X X( X) X( X) X( X) 3( 3) X( 3) X( 3)

20N 140W 34 X X( X) X( X) X( X) 1( 1) 24(25) 1(26)
20N 140W 50 X X( X) X( X) X( X) X( X) 7( 7) 1( 8)
20N 140W 64 X X( X) X( X) X( X) X( X) 2( 2) X( 2)

15N 145W 34 X X( X) X( X) X( X) X( X) X( X) 9( 9)

20N 145W 34 X X( X) X( X) X( X) X( X) 1( 1) 7( 8)

$$
FORECASTER EVANS/HAGEN

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