000
AXPZ20 KNHC 021557
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1544 UTC Fri Feb 2 2018

Tropical Weather Discussion for the eastern Pacific Ocean from
the Equator to 32N, east of 140W. The following information is
based on satellite imagery, weather observations, radar, and
meteorological analysis.

Based on 1200 UTC surface analysis and satellite imagery through
1500 UTC.

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: High pressure building behind 
a cold front moving into the northern Gulf of Mexico will induce 
a brief period of gale force winds through Tehuantepec from 21Z 
this evening until 18Z Sat, with winds becoming light Sun and 
Mon. Please refer to the East Pacific High Seas Forecast under 
AWIPS/WMO headers HSFEP2/FZPN03 KNHC for more details.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 

A surface trough extends from 05N78W to 06N85W to 04N95W to
06N101W. The ITCZ continues from 06N101W to 08N120W to 06N140W. 
Scattered moderate to isolated strong convection is from 07N to 
14N between 113W and 118W. Scattered moderate convection is from 
06N to 09N between 124W and 131W.

...DISCUSSION...
 
OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Gulf of Tehuantepec: Please refer to special features section 
for more information on the next gale force gap wind event. 

Elsewhere over the open waters, seas are expected to remain at 
4 to 6 ft through Mon as a fairly tranquil pattern prevails. 

OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND 
WITHIN 750 NM OF ECUADOR... 

Nocturnal winds will pulse to fresh to strong each night over 
the Gulf of Papagayo through Wed night. Elsewhere N of 09N, 
gentle to moderate offshore flow will prevail. Moderate to fresh 
winds will pulse to strong during overnight hours in the Gulf of 
Panama as well during the next few days. Elsewhere, gentle to 
moderate S to SW winds will prevail S of 09N this weekend.

REMAINDER OF THE AREA...

A mix of NE and NW swell located south of 10N between 104W and 
118W will slowly subside through the weekend. Another pulse of 
NE swell generated from the next Gulf of Tehuantepec gap wind 
event will propagate across the waters S of 14N and E of 115W. 
Elsewhere, a ridge of high pressure extending SW across the NW 
part of the discussion area will persist the next several days. 
NW swell associated with a nearly stationary frontal boundary W 
of the area will build between 130W-140W Sun and Mon.

$$
Formosa