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High Seas Forecast (Tropical NE Pacific) (Text)



000
FZPN03 KNHC 290901
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU SEP 29 2016

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 0600 UTC THU SEP 29.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 30.
48 HOUR FORECAST VALID 0600 UTC SAT OCT 01.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM ULIKA NEAR 16.0N 139.1W 1001 MB AT 0900 UTC SEP
29 MOVING NNW OR 340 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM N
SEMICIRCLE AND 20 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN
60 NM N SEMICIRCLE AND 45 NM S SEMICIRCLES WITH SEAS TO 16 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 90 NM OF CENTER WINDS 20
TO 33 KT. SEAS 9 TO 11 FT. REMAINDER OF FORECAST WATERS WITHIN
150 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 10 FT PRIMARILY IN
MIXED SWELL.
.24 HOUR FORECAST TROPICAL DEPRESSION ULIKA NEAR 17.4N 140.7W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER WITH
SEAS TO  12 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 60 NM OF
CENTER WINDS 20 TO 30 KT. SEAS TO 11 FT. REMAINDER OF FORECAST
WATERS WITHIN 150 NM OF CENTER WINDS 20 KT OR LESS. SEAS TO 9
PRIMARILY IN MIXED SWELL.
.48 HOUR FORECAST POST TROPICAL REMNANT LOW ULIKA NEAR 17.5N
144.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT W OF AREA NEAR
CENTER. OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS
THAN 8 FT. 
.72 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.

.SYNOPSIS AND FORECAST.

.TROPICAL DEPRESSION ROSLYN NEAR 22.7N 115.3W 1008 MB AT 0900
UTC SEP 29 MOVING NNW OR 345 DEG AT 6 KT. WITHIN 60 NM N
SEMICIRCLE OF CENTER NE TO E WINDS 20 TO 25 KT. SEAS TO 10 FT.
ELSEWHERE WITHIN 45 NM E AND 150 NM W SEMICIRCLES OF CENTER
WINDS 20 KT OR LESS. SEAS TO 8 FT.  
.24 HOUR FORECAST POST TROPICAL REMNANT LOW ROSLYN NEAR 23.8N
116.7W. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST...DISSIPATED.

.06 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO
14.5N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 40 NM OF LINE FROM 16N95W TO 14N95.5W
...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 30 NM OF LINE FROM 15N95W TO 14N95W
...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25 KT.
SEAS TO 9 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 0900 UTC THU SEP 29...

.TROPICAL STORM ULIKA...SCATTERED MODERATE TO STRONG WITHIN 60
NM OF LINE FROM 16.5N137W TO 15.5N139.5W 

.ISOLATED MODERATE AND STRONG WITHIN 120 NM OF LINE FROM 12N95W
TO 19N108W. SCATTERED MODERATE AND STRONG WITHIN 60 NM OF
22N106W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 11N101W TO 09N120W TO 14N134W.
SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF 10.5N87W...
WITHIN 75 NM OF LINE FROM 09N104W TO 10N113W TO 08N123W.  

$$ 
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.

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Page last modified: Thursday, 29-Sep-2016 09:01:36 UTC