000
AXPZ20 KNHC 031446
TWDEP

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Fri Dec 3 2021

Tropical Weather Discussion for the eastern Pacific Ocean from
03.4S to 30N, east of 120W including the Gulf of California, and
from the Equator to 30N, between 120W and 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
1440 UTC.

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

The monsoon trough extends from 09N84W to 06N94W. The ITCZ 
continues from 06N94W to 06N107W to 10N128W. It then resumes 
from 10N134W to beyond 09N140W. Scattered moderate isolated
strong convection is noted from 08N to 10N between 115W and 122W,
from 09N to 16N between 122W and 135W, and from 08N to 10N
between 135W and 140W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO

Winds have diminished below gale force over the Gulf of
Tehuantepec. Strong to near- gale winds and seas to 11 ft prevail
over the Tehuantepec region. Moderate to fresh winds prevail over
the southern Gulf of California as well as west of Baja
California Sur. Light to gentle winds prevail elsewhere. Seas 
are in the 4-5 ft range, except 1-3 ft over the northern Gulf of 
California. 

For the forecast, strong to near gale winds over the Gulf of
Tehuantepec will gradually diminish through Sun. Moderate to 
locally fresh NW winds at the entrance of the Gulf of California,
and the southern Gulf of California will prevail through Sun. 
Moderate to locally fresh winds will develop over the waters west
of the Baja California peninsula Sat night through Sun night. 

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

Fresh to strong NE winds, and seas to 8 ft, prevail over the
Gulf of Papagayo. Gentle winds are elsewhere north of the
monsoon trough. Gentle to moderate winds are south of the 
monsoon trough. Seas are in the 4-6 ft range. 

For the forecast, the fresh to strong NE winds in the Papagayo 
region will prevail through Tue night. Gentle to moderate S to 
SW winds are expected S of the monsoon trough through early next 
week. 

REMAINDER OF THE AREA...

High pressure prevails over the waters north of 20N, anchored by
1019 mb high pressure centered near 26N126W. A surface trough
extends from 15N131W to 08N131W. The pressure gradient between
the area of high pressure and the surface trough is supporting
fresh to locally strong winds just NE of the trough. Moderate to
locally fresh winds prevail elsewhere north of the ITCZ to near
20N and west of 115W. Light to gentle winds prevail north of 20N.
South of the ITCZ, moderate to locally fresh winds prevail. Seas
are in the 7-8 ft range over the area of strong winds, and 5-6 ft
elsewhere. 

$$
AL