TCMEP4
TROPICAL STORM NORBERT FORECAST/ADVISORY NUMBER 21
NWS NATIONAL HURRICANE CENTER MIAMI FL EP142026
ISSUED BY THE NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
2100 UTC MON SEP 14 2026
TROPICAL STORM CENTER LOCATED NEAR 19.7N 139.2W AT 14/2100Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 13 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1005 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT.......120NE 0SE 0SW 0NW.
4 M SEAS.... 90NE 0SE 0SW 75NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 19.7N 139.2W AT 14/2100Z
AT 14/1800Z CENTER WAS LOCATED NEAR 19.6N 138.5W
FORECAST VALID 15/0600Z 20.0N 141.3W
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 15/1800Z 20.2N 143.9W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
FORECAST VALID 16/0600Z 20.4N 146.6W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
FORECAST VALID 16/1800Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.7N 139.2W
NEXT ADVISORY AT 15/0300Z
$$
FORECASTER CHENARD/BLAKE=
TCMEP5
TROPICAL DEPRESSION FIFTEEN-E FORECAST/ADVISORY NUMBER 5
NWS NATIONAL HURRICANE CENTER MIAMI FL EP152026
2100 UTC MON SEP 14 2026
TROPICAL DEPRESSION CENTER LOCATED NEAR 16.9N 120.5W AT 14/2100Z
POSITION ACCURATE WITHIN 25 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 8 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT.
4 M SEAS.... 90NE 0SE 0SW 60NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
REPEAT...CENTER LOCATED NEAR 16.9N 120.5W AT 14/2100Z
AT 14/1800Z CENTER WAS LOCATED NEAR 16.9N 120.0W
FORECAST VALID 15/0600Z 16.7N 121.8W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 40SE 0SW 30NW.
FORECAST VALID 15/1800Z 16.6N 123.7W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 40SE 0SW 40NW.
FORECAST VALID 16/0600Z 16.4N 125.4W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 20SE 0SW 30NW.
FORECAST VALID 16/1800Z 16.4N 127.3W
MAX WIND 35 KT...GUSTS 45 KT.
34 KT... 50NE 10SE 0SW 30NW.
FORECAST VALID 17/0600Z 16.6N 129.7W
MAX WIND 35 KT...GUSTS 45 KT.
FORECAST VALID 17/1800Z 16.9N 132.1W...POST-TROP/REMNT LOW
MAX WIND 30 KT...GUSTS 40 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 100 NM
ON DAY 4 AND 125 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 18/1800Z 17.5N 136.4W...POST-TROP/REMNT LOW
MAX WIND 25 KT...GUSTS 35 KT.
OUTLOOK VALID 19/1800Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.9N 120.5W
NEXT ADVISORY AT 15/0300Z
$$
FORECASTER KATZ/BEVEN=
HSFEPI
HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC MON SEP 14 2026
CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
VOSOPS@NOAA.GOV(LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
PACIFIC S OF 67N AND N OF 30N E OF A LINE FROM THE BERING STRAIT
TO 53N172E TO 50N180W TO 30N180W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1800 UTC SEP 14.
24 HOUR FORECAST VALID 1800 UTC SEP 15.
48 HOUR FORECAST VALID 1800 UTC SEP 16.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 58N173W 982 MB MOVING NE 15 KT.
FROM 46N TO 62N BETWEEN 157W AND 178W WINDS 25 TO 40 KT. SEAS 2.5
TO 4.5 M. ELSEWHERE FROM 43N TO 46N W OF 164W WINDS LESS THAN 25
KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 63N168W 982 MB. WITHIN 300 NM S SEMICIRCLE
AND 240 NM NW QUADRANT WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M.
ELSEWHERE N OF 53N BETWEEN 157W AND 180W AND FROM 50N TO 60N
BETWEEN 145W AND 159W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 66N158W 999 MB. N OF 62N W OF ALASKA AND N
OF 55N BETWEEN 136W AND 155W WINDS TO 25 KT. SEAS TO 3.5
M...HIGHEST NEAR 59N146W.
...GALE WARNING...
.LOW 33N176W 1004 MB MOVING S 05 KT. FROM 34N TO 43N W OF 174W
WINDS 20 TO 30 KT SEAS TO 3.5 M. ELSEWHERE S OF 43N W OF 168W
WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 33N176W 1004 MB. WITHIN 300 NM NW OF A LINE
FROM 30N178W TO 43N169W NE TO N WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M. ELSEWHERE S OF 45N W OF 165W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW MOVED SW OF AREA. S OF 45N W OF 164W WINDS
LESS THAN 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.FROM 30N TO 43N BETWEEN 119W AND 128W N TO NW WINDS 20 TO 30 KT.
SEAS TO 3 M.
.24 HOUR FORECAST FROM 30N TO 43N BETWEEN 120W AND 128W N TO NW
WINDS TO 25 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST FROM 34N TO 52N BETWEEN 124W AND 131W WINDS TO
25 KT. SEAS TO 3.5 M.
.LOW 36N143W 1022 MB MOVING W 10 KT. FROM 35N TO 41N BETWEEN 142W
AND 157W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW DISSIPATED. FROM 36N TO 40N BETWEEN 145W
AND 153W WINDS LESS THAN 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.24 HOUR FORECAST LOW WELL NW OF AREA. FROM 51N TO 57N W OF 178E
S WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW NW OF AREA NEAR 58N174E 1000 MB. FROM 49N
TO 60N W OF 168W WINDS TO 25 KT. SEAS TO 3.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 61N
BETWEEN 160W AND 177W AND FROM 43N TO 55N BETWEEN 168W AND 174W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 53N BETWEEN 156W AND 163W
AND FROM 63N TO 65N BETWEEN 169W AND 172W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
42N165W TO 51N150W AND WITHIN 90 NM OF 65N169W.
.FORECASTER JOSEPH. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W
SYNOPSIS VALID 1800 UTC MON SEP 14.
24 HOUR FORECAST VALID 1800 UTC TUE SEP 15.
48 HOUR FORECAST VALID 1800 UTC WED SEP 16.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM NORBERT NEAR 19.7N 139.2W 1005 MB AT 2100 UTC
SEP 14 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 35
KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 120 NM NE QUADRANT. SEAS 4 M OR GREATER WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO
5.5 M. WITHIN 26N134W TO 27N139W TO 25N140W TO 18N140W TO
19N135W TO 21N132W TO 26N134W WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
.12 HOUR FORECAST TROPICAL DEPRESSION NORBERT NEAR 20.0N
141.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NORBERT W OF AREA
NEAR
20.2N 143.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER
FORECAST WATERS WITHIN 25N134W TO 26N140W TO 19N140W TO 18N136W
TO 21N133W TO 25N134W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
MIXED SWELL.
.36 HOUR FORECAST POST-TROPICAL REMNANT LOW NORBERT NEAR 20.4N
146.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER FORECAST
WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST...DISSIPATED.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIFTEEN-E NEAR 16.9N 120.5W 1006 MB AT 2100
UTC SEP 14 MOVING W OR 280 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. SEAS 4 M OR GREATER WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 60 NM NW QUADRANT WITH SEAS
TO 4.5 M.
.12 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.7N 121.8W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.6N 123.7W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 40 NM NW AND SE QUADRANTS...50 NM NE QUADRANT AND 0
NM SW QUADRANT. SEAS 4 M OR GREATER WITHIN 150 NM NE QUADRANT...
60 NM SE QUADRANT...75 NM SW QUADRANT AND 90 NM NW QUADRANT WITH
SEAS TO 5.0 M. WITHIN 18N117W TO 21N121W TO 22N125W TO 18N129W
TO 13N125W TO 14N118W TO 18N117W WINDS 20 TO 33 KT. SEAS 2.5 TO
4.5 M.
.48 HOUR FORECAST TROPICAL STORM FIFTEEN-E NEAR 16.4N 127.3W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NE QUADRANT...10 NM SE QUADRANT...0 NM SW
QUADRANT...AND 30 NM NW QUADRANT. SEAS 4 M OR GREATER
WITHIN 150 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 4.5
M. WITHIN 23N122W TO 24N132W TO 20N136W TO 15N135W TO 13N129W
TO 17N118W TO 23N122W NE TO E WINDS 20 TO 33 KT. SEAS 2.5 TO 4.5
M.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO 15N94W TO
16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NE WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N96W TO 12N96W TO
13N95W TO 14N95W TO 16N94W...INCLUDING THE GULF OF
TEHUANTEPEC... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.WITHIN 30N118W TO 30N124W TO 29N123W TO 28N122W TO 28N120W TO
29N119W TO 30N118W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.03 HOUR FORECAST WITHIN 12N86W TO 12N87W TO 11N87W TO 10N87W TO
10N86W TO 11N86W TO 12N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N89W TO 10N89W TO
10N87W TO 10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
CONVECTION VALID AT 2150 UTC MON SEP 14...
.T.S. NORBERT...NUMEROUS MODERATE FROM 18N TO 23N BETWEEN 134W
AND 139W.
.T.D. FIFTEEN-E...NUMEROUS MODERATE TO ISOLATED STRONG FROM 13N
TO 19N BETWEEN 114W AND 121W WITH SCATTERED MODERATE ELSEWHERE
FROM 09N TO 14N BETWEEN 111W AND 127W.
.TROPICAL WAVE NEAR 101W...NUMEROUS MODERATE ISOLATED STRONG
FROM 04N TO 15N BETWEEN 91W AND 108W.
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 09N97W TO 06N122W TO
12N140W. SCATTERED MODERATE TO ISOLATED STRONG FROM 04N TO 15N E
OF 93W...AND FROM 00N TO 07N BETWEEN 106W AND 136W.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
NATIONAL WEATHER SERVICE HONOLULU HI
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1800 UTC SEP 14 2026.
24 HOUR FORECAST VALID 1800 UTC SEP 15 2026.
48 HOUR FORECAST VALID 1800 UTC SEP 16 2026.
.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM NORBERT EAST OF AREA NEAR 19.7N 139.3W 1005 MB AT
2100 UTC SEP 14 MOVING W OR 280 DEG AT 13 KT. MAXIMUM SUSTAINED
WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM
NE QUADRANT AND 70 NM NW QUADRANT. SEAS 4 M OR GREATER WITHIN 90
NM NE QUADRANT AND 75 NM NW QUADRANT WITH SEAS TO 4 M. OTHERWISE
ASSOCIATED WINDS AND SEAS E OF AREA.
.12 HOUR FORECAST TROPICAL DEPRESSION NORBERT NEAR 20.0N 141.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WINDS 20 TO 30 KT AND
SEAS 2.5 TO 4 M FROM 20N TO 24 E OF 142W.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW NORBERT NEAR 20.2N
143.9W. WINDS 20 TO 30 KT AND SEAS SEAS 2.5 TO 3.5 M FROM 20N TO
25N BETWEEN 140W AND 145W.
.48 HOUR FORECAST...LOW DISSIPATED. TROUGH 26N149W 18N150W. WINDS
20 TO 25 KT AND SEAS 2.5 TO 3 M FROM 20N TO 25N BETWEEN 146W AND
151W.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.TROUGH 15N154W 12N154W 11N152W.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 30N148W 21N151W. SECOND TROUGH 30N154W 27N154W. TROUGHS
MOVING
NW SLOWLY.
.24 HOUR FORECAST TROUGH 30N152W 25N153W. SECOND TROUGH
DISSIPATED.
.48 HOUR FORECAST TROUGH DISSIPATED.
.COMPLEX FRONT 30N174W 27N176W 25N180W MOVING SE SLOWLY. SECOND
FRONT 30N176W 28N180W MOVING SE 10 KT. TROUGH 30N170W 27N171W
21N180W NEARLY STATIONARY. ISOLATED MODERATE TSTMS WITHIN 120 NM
OF TROUGH.
.24 HOUR FORECAST SECOND FRONT MERGED WITH FIRST FRONT 30N174W
25N177W 22N180W. TROUGH ABSORBED BY FIRST FRONT.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH AND MOVED W OF AREA.
.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER REMAINDER OF
FORECAST AREA.
.MONSOON TROUGH 06N180W 09N171W 08N161W 12N140W. ISOLATED MODERATE
TSTMS WITHIN 300 NM OF TROUGH.
.ISOLATED MODERATE TSTMS S OF 06N E OF 148W.
$$
.FORECASTER ALMANZA. HONOLULU HI.=