000
FZPN03 KNHC 210317
HSFEP2

HIGH SEAS FORECAST 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 21 2007
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

PAN PAN

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

SYNOPSIS VALID 0000 UTC FRI SEP 21
24 HOUR FORECAST VALID 0000 UTC SAT SEP 22
48 HOUR FORECAST VALID 0000 UTC SUN SEP 23
 
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE IVO NEAR 18.8N 113.4W 981 MB AT 0300 UTC SEP 21 
MOVING N OR 350 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 
85 KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM NE...65 NM 
SE...30 NM SW...AND 60 NM NW QUADRANTS. SEAS 12 FT OR GREATER 
WITHIN 75 NM NE AND SW...60 NM NW AND 90 NM SE QUADRANTS WITH 
SEAS TO 26 FT.
.24 HOUR FORECAST HURRICANE IVO NEAR 20.6N 113.1W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE...45 NM SW AND 75 NM NW QUADRANTS. 
SEAS 12 FT OR GREATER WITHIN 75 NM SE AND 60 NM NW SEMICIRCLES 
WITH SEAS TO 26 FT.
.48 HOUR FORECAST TROPICAL STORM IVO NEAR 22.0N 112.5W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM E SEMICIRCLE...60 NM SW QUADRANT AND 75 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 75 NM SE AND 60 NM NW 
SEMICIRCLES WITH SEAS TO 21 FT.
.72 HOUR FORECAST TROPICAL STORM IVO NEAR 23.5N 112.0W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IVO INLAND NEAR 25.0N 111.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION IVO INLAND NEAR 26.5N 
111.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.
.EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 210 NM SE AND 180 NM 
NW SEMICIRCLES WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 180 
NM OF CENTER WINDS 20 TO 33 KT SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 240 
NM NW AND 180 NM SE SEMICIRCLES WINDS 20 TO 33 KT SEAS 8 TO 12 
FT.

.LOW...REMNANT OF TROPICAL DEPRESSION THIRTEEN-E...18N131W 1008 
MB DRIFTING NW. WITHIN 240 NM OF CENTER WINDS 20 TO 25 KT SEAS 8 
TO 12 FT IN NE SWELL. ELSEWHERE FROM 16N TO 25N W OF 123W NE 
WINDS 20 TO 25 KT SEAS 8 TO 11 FT IN NE SWELL. N OF 25N W OF 
130W N TO NE WINDS 20 KT SEAS TO 8 FT.
.24 HOUR FORECAST LOW 17N130W 1009 MB. WITHIN 240 NM OF CENTER 
WINDS 20 KT SEAS 8 TO 11 FT IN NE SWELL. ELSEWHERE FROM 15N TO 
22N W OF 124W NE WINDS 20 TO 25 KT SEAS 8 TO 12 FT IN NE SWELL.
.48 HOUR FORECAST LOW 17N129W 1011 MB. FROM 17N TO 24N W OF 120W 
NE WINDS TO 20 KT SEAS 8 TO 10 FT IN MIXED NE AND NW SWELL.

.WITHIN 30 NM OF LINE 16N95W 14N95W...INCLUDING GULF OF 
TEHAUNTEPEC...N WINDS 20 KT SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.S OF 8N BETWEEN W OF 95W S WINDS TO 20 KT SEAS TO 8 FT IN SW 
SWELL.
.24 HOUR FORECAST S OF 8N BETWEEN 90W AND 130W S WINDS TO 20 KT 
SEAS 8 TO 10 FT IN SW SWELL.
.48 HOUR FORECAST S OF 8N BETWEEN 85W AND 125W S WINDS TO 20 KT 
SEAS 8 TO 10 FT IN SW SWELL.

.24 HOUR FORECAST N OF 25N W OF 118W WINDS LESS THAN 20 KT SEAS 
8 TO 13 FT IN NW TO N SWELL.
.48 HOUR FORECAST N OF 24N W OF 118W WINDS LESS THAN 20 KT SEAS 
8 TO 10 FT IN NW TO N SWELL.

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

CONVECTION VALID 0300 UTC FRI SEP 21...
HURRICANE IVO...NUMEROUS MODERATE TO STRONG FROM 17N TO 22N 
BETWEEN 111W AND 114W.

REMNANT OF TROPICAL DEPRESSION THIRTEEN-E...SCATTERED MODERATE 
TO STRONG FROM 17N TO 19N BETWEEN 129W AND 132W.

INTERTROPICAL CONVERGENCE ZONE...8N77W 12N92W 10N104W 15N128W 
12N140W. SCATTERED MODERATE FROM 6N TO 12N BETWEEN 84W AND 87W. 
SCATTERED MODERATE FROM 9N TO 13N BETWEEN 90W AND 97W. SCATTERED 
MODERATE FROM 13N TO 18N BETWEEN 124W AND 129W.

$$
FORECASTER BERG
TROPICAL PREDICTION CENTER
TROPICAL ANALYSIS AND FORECAST BRANCH