000
FZPN03 KNHC 202121
HSFEP2

HIGH SEAS FORECAST 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU SEP 20 2007
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS

PAN PAN

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

SYNOPSIS VALID 1800 UTC THU SEP 20
24 HOUR FORECAST VALID 1800 UTC FRI SEP 21
48 HOUR FORECAST VALID 1800 UTC SAT SEP 22
 
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE IVO NEAR 17.8N 113.1W 981 MB AT 2100 UTC SEP 20 
MOVING NNW OR 345 DEG AT 6 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...65 NM SE...30 NM SW...AND 60 NM NW QUADRANTS 
WITH SEAS TO 25 FT.
.24 HOUR FORECAST HURRICANE IVO NEAR 19.5N 113.2W. 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 45 NM NW SEMICIRCLES 
WITH SEAS TO 25 FT.
.48 HOUR FORECAST HURRICANE IVO NEAR 21.2N 112.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E AND 60 NM W SEMICIRCLES. SEAS 12 FT OR GREATER 
WITHIN 120 NM SW AND 60 NM NE SEMICIRCLES WITH SEAS TO 24 FT.
.72 HOUR FORECAST TROPICAL STORM IVO NEAR 22.9N 111.8W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IVO INLAND NEAR 24.5N 111.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 180 NM OF CENTER 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.

.TROPICAL DEPRESSION THIRTEEN-E NEAR 17.7N 130.4W 1008 MB AT 
2100 UTC SEP 20 MOVING W OR 270 DEG AT 4 KT. MAXIMUM SUSTAINED 
WINDS 25 KT GUSTS 35 KT. WITHIN 420 NM NW AND 90 NM SE 
SEMICIRCLES WINDS 20 TO 25 KT SEAS 8 TO 12 FT IN NE SWELL. 
ELSEWHERE N OF 15N W OF 130W NE WINDS 20 TO 25 KT SEAS 8 TO 11 
FT IN NE SWELL.
.24 HOUR FORECAST REMNANT LOW NEAR 17.5N 130.4W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT. FROM 15N TO 24N W OF 124W NE 
WINDS 20 TO 25 KT SEAS 8 TO 12 FT IN NE SWELL.
.48 HOUR FORECAST REMNANT LOW NEAR 17.4N 129.3W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT. FROM 15N TO 23N W OF 123W NE 
WINDS 20 KT SEAS 8 TO 10 FT IN NE SWELL.
.72 HOUR FORECAST...DISSIPATED.

.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 135W 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 23N 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 2100 UTC THU SEP 20...
HURRICANE IVO...SCATTERED MODERATE TO STRONG WITHIN 180 NM NE 
AND 120 NM SW SEMICIRCLES.

TROPICAL DEPRESSION THIRTEEN-E...SCATTERED MODERATE WITHIN 60 NM 
N QUADRANT.

INTERTROPICAL CONVERGENCE ZONE...8N77W 12N92W 10N104W 15N128W 
12N140W. SCATTERED MODERATE WITHIN 150 NM OF AXIS BETWEEN 83W 
AND 86W...AND BETWEEN 92W AND 109W. SCATTERED MODERATE WITHIN 90 
NM OF AXIS BETWEEN 126W AND 138W.

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