000
FZPN03 KNHC 200949
HSFEP2

HIGH SEAS FORECAST 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU SEP 20
24 HOUR FORECAST VALID 0600 UTC FRI SEP 21
48 HOUR FORECAST VALID 0600 UTC SAT SEP 22
 
.WARNINGS.
...HURRICANE WARNING...
.HURRICANE IVO NEAR 16.5N 112.5W 987 MB AT 0900 UTC SEP 20 MOVING
NNW OR 330 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 
KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM NE QUADRANT...65 NM 
SE QUADRANT...30 NM SW QUADRANT...AND 60 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 75 NM NE QUADRANT...65 NM SE QUADRANT...30 
NM SW QUADRANT...AND 60 NM NW QUADRANT WITH SEAS TO 24 FT.
.24 HOUR FORECAST HURRICANE IVO NEAR 18.3N 113.3W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM OF CENTER EXCEPT 60 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 90 NM NE QUADRANT...75 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 24 FT.
.48 HOUR FORECAST HURRICANE IVO NEAR 20.3N 112.7W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM E SEMICIRCLE AND 75 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 90 NM NE QUADRANT...75 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 24 FT.
.72 HOUR FORECAST HURRICANE IVO NEAR 22.0N 111.5W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IVO NEAR 23.5N 110.5W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM IVO NEAR 25.5N 109.5W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT.

.SYNOPSIS AND FORECAST.
.TROPICAL DEPRESSION THIRTEEN E NEAR 17.8N 129.8W 1007 MB AT 0900
UTC SEP 20 MOVING WNW OR 285 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. WITHIN 240 NM N AND 120 NM S SEMICIRCLES 
WINDS 20 TO 30 KT SEAS 8 TO 11 FT.  
.24 HOUR FORECAST TROPICAL DEPRESSION E NEAR 17.0N 130.8W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 240 NM N AND 
120 NM S SEMICIRCLES WINDS 20 TO 30 KT SEAS 8 TO 11 FT.
.48 HOUR FORECAST REMNANT LOW NEAR 16.7N 129.8W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 25 KT. WITHIN 120 NM N AND 60 NM S 
SEMICIRCLES WINDS TO 20 KT SEAS TO 10 FT.
.72 HOUR FORECAST REMNANT LOW NEAR 17.0N 129.0W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 25 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST REMNANT LOW NEAR 17.5N 128.5W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 25 KT.

.EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 150 NM OF CENTER WINDS 
20 TO 33 KT SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 150 
NM OF CENTER EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT SEAS 8 
TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN IVO WARNINGS...WITHIN 150 
NM OF CENTER EXCEPT 90 NM SW QUADRANT WINDS 20 TO 33 KT SEAS 8 
TO 12 FT.

.ELSEWHERE FROM 15N TO 28N W OF 124W NE WINDS 20 TO 25 KT SEAS 
TO 10 FT IN NE SWELL.
.24 HOUR FORECAST ELSEWHERE FROM 16N TO 26N W OF 124W NE WINDS 
20 TO 25 KT SEAS 8 TO 11 FT IN NE SWELL. N OF 29N W OF 125W N TO 
NE WINDS TO 20 KT SEAS TO 10 FT IN N SWELL.
.48 HOUR FORECAST ELSEWHERE FROM 15N TO 24N W OF 123W NE WINDS 
20 KT SEAS 8 TO 11 FT IN NE SWELL. N OF 25N W OF 118W WINDS LESS 
THAN 20 KT SEAS 8 TO 11 FT IN N SWELL.

.S OF 8N BETWEEN 95W AND 125W WINDS LESS THAN 20 KT SEAS TO 9 FT 
IN SW SWELL.
.24 HOUR FORECAST S OF 8N W OF 95W WINDS LESS THAN 20 KT SEAS TO 
9 FT IN SW SWELL.
.48 HOUR FORECAST S OF 8N BETWEEN 90W AND 135W SE TO S WINDS TO 
20 KT SEAS 8 TO 10 FT IN SW SWELL.

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

CONVECTION VALID 0900 UTC THU SEP 20...
HURRICANE IVO...NUMEROUS MODERATE TO STRONG WITHIN 150 NM OF 
CENTER.

TROPICAL DEPRESSION THIRTEEN-E...SCATTERED MODERATE FROM 18N TO 
21N BETWEEN 123W AND 129W.

INTERTROPICAL CONVERGENCE ZONE...8N78W 11N90W 10N100W 17N108W 
17N128W 12N140W. SCATTERED MODERATE FROM 9N TO 11N BETWEEN 92W 
AND 100W. SCATTERED MODERATE WITHIN 90 NM OF AXIS W OF 115W.

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