000
AXPZ20 KNHC 191605
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Fri Mar 19 2021

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
1545 UTC.

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: Strong high pressure building 
southward in the Gulf of Mexico will funnel winds across Mexico 
into the Gulf of Tehuantepec. These gap winds will remain at gale
force through Sun morning, and peak at 40-45 kt tonight. Maximum
seas may reach 15-18 ft on Sat. Please read the latest NWS High 
Seas Forecast from the National Hurricane Center at the website: 
www.nhc.noaa.gov/text/MIAHSFEP2.shtml for more details.

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

A trough extends from 07N82W to 04N87W. The ITCZ continues from 
04N88W to 02N110W to 04N140W. Scattered moderate isolated strong 
convection is noted from 03N to 08N between 80W and 88W, and
from 0N to 08N between 103W and 137W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Please see Special Features section above for details on a Gale
Warning for the Gulf of Tehuantepec. 

Moderate NW to N winds north of 20N will prevail through tonight.
Fresh to strong NW winds will develop west of Baja California 
this weekend. Large NW swell associated with a weakening cold 
front will reach the waters west of Baja California this weekend,
then linger into Mon. Gap winds across the Gulf of Tehuantepec 
will diminish Sun night and Mon. Gentle to moderate winds are 
expected elsewhere. 

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

Fresh to strong NE to E winds will pulse across the Papagayo 
region through early next week. Moderate to fresh winds will 
pulse in the Gulf of Panama Sat through Mon. Light to gentle 
winds will prevail elsewhere. Large seas from Gulf of Tehuantepec
gales this weekend will spread into the offshore waters of 
Guatemala and El Salvador through Sun. 

REMAINDER OF THE AREA...

Surface high pressure anchored by a 1022 mb high near 27N124W
is ahead of a stationary front that extends from 30N125W to
22N137W. Moderate NE winds are behind of the front with seas in
the 8 to 12 ft range in NW swell. South of 16N, the gradient
between the high and the ITCZ supports moderate NE to E trades W
of 115W with seas to 8 ft. The front will transition to a cold 
front and will continue eastward across the waters north of 23N 
through Sun, while slowly weakening. Moderate to locally fresh 
winds are expected behind the front. NW swell of 8-13 ft 
associated with the front will continue propagating south and 
east through the weekend.

$$
Ramos