000
AXPZ20 KNHC 191605
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Fri Jun 19 2020

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.

...TROPICAL WAVES...

A tropical wave is analyzed along 94W, moving west at 15 kt. 
Scattered moderate and isolated strong convection is noted from 
11N to 15N between 93W and 98W. 

A tropical wave is analyzed along 103W, moving west at 10 kt. 
Scattered moderate convection is noted from 13N to 17N between
98W and 103W.

A tropical wave is analyzed along 124W, moving west at 10 kt. 
Scattered moderate and isolated strong convection is noted from 
09N to 14N between 122W and 126W.

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

The monsoon trough extends from 11N86W to 10N100W to 12N120W to
low pressure to 12N130W to 10N140W. Scattered moderate and
isolated strong convection is noted within 240 nm S of Central
America E of 92W, from 06N to 11N between 97W and 114W, from 09N
to 13N between 115W and 121W, from 12N to 14N between 121W and
126W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A deep layer ridge west of the area is building eastward 
following a sharp trough extending from the southern Rockies 
through central Baja California to 22N128W. The associated 
pressure gradient supports moderate to fresh NW winds from Punta 
Eugenia to Cabo San Lucas west of Baja California. The gradient
across the northern Gulf of California will relax today as the 
ridge builds eastward. NW swell producing 6-7 ft seas W of Baja 
California Norte will subside this morning. Elsewhere, mainly 
light to gentle winds and 4-7 ft seas prevail.

Looking ahead, moderate to fresh NW winds are expected across 
the waters of Baja California S of Punta Eugenia this weekend
into early next week. These winds should diminish slightly by
Tue.

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

Moderate to fresh SW monsoon flow prevails south of the monsoon 
trough along with 6-9 ft southerly cross-equatorial swell. Gentle
to moderate winds north of the trough axis along with seas of 4-6
ft, except fresh to locally strong NE-E winds and seas up to 7 ft 
were noted in the Papagayo Region this morning. 

The winds in the Papagayo Region will diminish this afternoon,
then return at fresh to strong Sun night into early Mon. The 
southerly swell will decay today and tonight. The moderate to 
fresh SW monsoon flow will spread to the coasts between Panama 
and Costa Rica.

REMAINDER OF THE AREA...

A ridge extends E-SE from high pressure centered near 34N141W to
just north of the Revillagigedo Islands. The associated pressure
gradient is supporting fresh trade winds from 10N to 20N west of
120W. Seas are 6-8 ft across this area in mixed swell. Moderate 
to fresh trade winds and 5-7 ft seas prevail elsewhere north of 
the convergence zone, west of 120W.
 
Moderate southerly flow prevails south of the monsoon trough. 
Long-period southerly swell dominates the waters south of 12N 
and east of 115W, in 6 to 8 ft seas. Another round of southerly 
swell will enter the area later today, and raise sea heights 1-2 
ft across the waters south of 10N.

$$
Lewitsky/Torres