449 
FZPN03 KNHC 152209
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED AUG 15 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1800 UTC WED AUG 15.
24 HOUR FORECAST VALID 1800 UTC THU AUG 16.
48 HOUR FORECAST VALID 1800 UTC FRI AUG 17.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM LANE NEAR 10.6N 124.5W 1005 MB AT 2100 UTC AUG 
15 MOVING W OR 265 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 40 KT 
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 30 NM OF CENTER 
IN SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 45 NM E SEMICIRCLE 
WITH SEAS TO 13 FT. ELSEWHERE WITHIN 60 NM E SEMICIRCLE AND 30 
NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE LANE NEAR 10.7N 128.4W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS 
WITHIN 30 NM NW AND SE QUADRANTS...40 NM NE QUADRANT AND 20 NM 
SW QUADRANT. SEAS 12 FT OR GREATER 90 NM IN N SEMICIRCLE AND 60 
NM IN S SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 90 NM N 
SEMICIRCLE AND 60 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT.
.48 HOUR FORECAST HURRICANE LANE NEAR 11.6N 133.6W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM NW AND SE QUADRANTS...60 NM NE QUADRANT AND 40 NM 
SW QUADRANT. SEAS 12 FT OR GREATER 120 NM N SEMICIRCLE AND 90 NM 
S SEMICIRCLE WITH SEAS TO 24 FT. ELSEWHERE WITHIN 120 NM N 
SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 
12 FT.
.72 HOUR FORECAST HURRICANE LANE NEAR 12.6N 138.7W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LANE NEAR 14.0N 143.6W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LANE NEAR 15.2N 148.2W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.

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.

.S OF 12N E OF 120W...EXCEPT IN LEE OF GALAPAGOS ISLANDS...WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.LOW PRES NEAR 17N137W 1012 MB. FROM 18N TO 21N W OF 132W WINDS 
20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.24 HOUR FORECAST LOW TO DISSIPATE. FROM 18N TO 22N W OF 137W 
WINDS 20 KT OR LESS. SEAS TO 8 FT IN E SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 14N BETWEEN 94W AND 
96W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N WIND WAVES AND 
S SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 2130 UTC WED AUG 15...

TROPICAL STORM LANE IS CENTERED NEAR 10.6N 124.5W...SCATTERED 
MODERATE AND ISOLATED STRONG CONVECTION IS OCCURRING WITHIN 120 
NM OF THE CENTER, AND WIDELY SCATTERED MODERATE CONVECTION IS 
OCCURRING BETWEEN 120-240 NM FROM THE CENTER.

LOW PRES NEAR 17N137W...SCATTERED MODERATE CONVECTION IS 
OBSERVED CONTINUES WITHIN 120 NM OF THE CENTER IN THE NORTHERN 
SEMICIRCLE. 

SCATTERED MODERATE ISOLATED STRONG CONVECTION IS WITHIN 150 NM 
OF MEXICAN COAST FROM 25N109W TO TO 28N112W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
THE MONSOON TROUGH EXTENDS FROM NEAR THE PANAMA-COLOMBIA BORDER 
TO 11N115W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS 
OCCURRING WITHIN 180 NM SOUTH OF THE AXIS BETWEEN 82W AND 88W. 
WIDELY SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS 
OCCURING WITHIN 120 NM NORTH OF THE AXIS BETWEEN 95W AND 110W.  

$$

.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.