000
FZPN03 KNHC 181515
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT NOV 18 2006

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 1200 UTC SAT NOV 18
24 HOUR FORECAST VALID 1200 UTC SUN NOV 19
48 HOUR FORECAST VALID 1200 UTC MON NOV 20

.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM SERGIO NEAR 15.2N 104.1W 1000 MB AT 1500 UTC NOV
18 MOVING NW OR 315 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM S 
SEMICIRCLE...60 NM NE QUADRANT AND 45 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 75 NM OF CENTER EXCEPT 60 NM SW QUADRANT WITH 
SEAS TO 13 FT.
.24 HOUR FORECAST TROPICAL STORM SERGIO NEAR 16.5N 105.8W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. LITTLE CHANGE IN 
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
SEAS TO 14 FT. 
.48 HOUR FORECAST TROPICAL DEPRESSION SERGIO NEAR 16.5N 108.0W. 
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 12 FT OR GREATER 
WITHIN 90 NM OF CENTER WITH SEAS TO 15 FT.
.72 HOUR FORECAST REMNANT LOW SERGIO NEAR 16.5N 110.0W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT.

...GALE WARNING...
.36 HOUR FORECAST WITHIN 60 NM OF LINE 16N94.5W 13N97W INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 25 TO 35 KT SEAS 9 TO 
12 FT.
.48 HOUR FORECAST WITHIN 60 NM OF LINE 16N94.5W 13N97W INCLUDING 
THE GULF OF TEHUANTEPEC...N TO NE WINDS 30 TO 40 KT SEAS 10 TO 
15 FT.

.SYNOPSIS AND FORECAST.
.EXCEPT AS NOTED IN SERGIO WARNINGS...WITHIN 150 OF CENTER WINDS 
20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 180 NM OF CENTER WINDS 20 TO 33 KT  
SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 150 NM OF CENTER  WINDS 20 TO 25 KT  
SEAS 8 TO 12 FT.

.N OF 14N BETWEEN 94W AND 96W INCLUDING THE GULF OF 
TEHUANTEPEC...N WINDS 20 TO 25 KT SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 120 NM EITHER SIDE OF LINE 16N94.5W 
12N97W INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 
30 KT SEAS 8 TO 10 FT.
.36 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM 
EITHER SIDE OF LINE 16N94.5W 13N97W 11N99W NE WINDS 20 TO 25 KT  
SEAS 8 TO 10 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 120 NM 
EITHER SIDE OF LINE 16N94.5W 13N97W 11N101W NE TO E WINDS 20 TO 
30 KT SEAS 8 TO 11 FT.

.LOW PRES 10N115W 1008 MB. WITHIN 180 NM OF CENTER WINDS TO 20 
SEAS TO 9 FT. ELSEWHERE FROM 5N TO 11N BETWEEN 117W AND 102W SW 
WINDS TO 20 KT SEAS 8 TO 10 FT PRIMARILY IN SW SWELL.
.24 HOUR FORECAST LOW PRES 11N116W 1008 MB. WITHIN 300M NM SE 
SEMICIRCLE WINDS TO 20 KT SEAS TO 9 FT.
.48 HOUR FORECAST LOW PRES 11N117W 1008 MB. WITHIN 240 NM SE 
SEMICIRCLE SW WINDS TO 20 KT SEAS TO 8 FT.

.FROM 13N TO 23N W OF 130W NE WINDS TO 20 KT SEAS TO 8 FT.
N OF 28N W OF 118W NE TO E WINDS TO 20 KT SEAS TO 8 FT.
.24 HOUR FORECAST COLD FRONT APPROACH NW PORTION. NW OF LINE 
17N140W 30N118W WINDS LESS THAN 20 KT SEAS TO 9 FT IN NW SWELL. 
.36 HOUR FORECAST COLD FRONT 30N137W 28N140W. NW OF FRONT NW TO 
N WINDS TO 20 KT SEAS 8 TO 10 FT. ELSEWHERE NW OF LINE 15N140W 
20N125W 30N118W WINDS LESS THAN 20 KT SEAS TO 8 FT PRIMARILY IN 
NW SWELL.  
.48 HOUR FORECAST COLD FRONT 30N135W 27N140W. NW OF FRONT N 
WINDS TO 20 KT SEAS 8 TO 11 FT IN NW SWELL. FROM 13N TO 20N W OF 
125W WINDS LESS THAN 20 KT SEAS TO 8 FT PRIMARILY IN NW SWELL.  

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

CONVECTION VALID 1500 UTC SAT NOV 18...
TROPICAL STORM SERGIO...NUMEROUS STRONG WITHIN 90 NM NE 
QUADRANT. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE FROM 14N 
TO 17N BETWEEN 101W AND 105W.

INTERTROPICAL CONVERGENCE ZONE...AXIS 9N83W 8N93W 13N110W 9N120W 
8N140W. ISOLATED MODERATE AND STRONG N OF 4N BETWEEN 88W AND 93W 
AND WITHIN 120 NM OF LINE 11N106W 8N120W 10N128W...AND WITHIN 60 
NM OF 11N140W.

FORECASTER NELSON
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH