000
AXPZ20 KNHC 300901
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Fri Aug 30 2019

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 0600 UTC surface analysis and satellite imagery through 
0830 UTC. 

...TROPICAL WAVES...

A tropical wave is along 106W, from 04N to 15N, moving W at 15 
to 20 kt. Scattered moderate isolated strong convection is noted 
from 07N to 10N between 107W and 110W.

A tropical wave is along 117W, from 04N to 17N, moving W at 
around 15 kt. Scattered moderate convection is noted from 12N to 
14N between 118W and 122W.

A tropical wave is along 125W, from 03N to 16N, moving W at 15 
kt. Random isolated convection is noted near the wave axis.

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

The monsoon trough extends from near 07N78W to 10N91W to 09N107W 
to 10N117W to 09N132W. The ITCZ axis continues from 09N132W to 
09N140W. Scattered moderate isolated strong convection is noted 
from 06N to 11N between 91W and 103W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A surface trough persists across the Baja California peninsula, 
and is maintaining gentle to moderate southerly winds across the 
Gulf of California. Seas are generally 3 ft or less. Little 
change in marine conditions is expected through the weekend.

Across the offshore waters west of Baja, a broad ridge W of the 
area is supporting gentle to moderate NW winds across the 
waters, along with seas of 3 to 5 ft. Similar conditions will 
persist through the weekend.

Farther south, nocturnal northerly drainage flow in the Gulf of 
Tehuantepec will infrequently pulse to fresh to strong through 
early next week. Seas will increase to 6 to 8 ft at the peak of 
these winds each early morning.

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

Moderate to fresh NE to E gap winds across the Gulf of Papagayo 
region will gradually diminish this evening today. Seas of 4 to 
7 ft is expected through the weekend. Light to gentle winds are 
expected elsewhere N of the monsoon trough, and gentle to 
moderate S to SW winds S of the monsoon trough. 

REMAINDER OF THE AREA...

High pressure is centered near 29N131W. Scatterometer data shows 
mainly gentle to moderate anticyclonic winds north of 20N, and 
moderate trade winds closer to the monsoon trough. Altimeter 
data during the past 6-8 hours showed seas of 4 to 7 ft, likely 
with a component of long period southerly swell.

The high is forecast to linger and weaken through the weekend, 
while a weak cold front stalls near 30N140W. Model guidance 
indicates potential for a weak low pressure area to develop this 
weekend into early next week along a tropical wave as it moves 
through the west central waters. Otherwise, little change in 
marine conditions across the trade wind belt is expected.

$$
Mundell