000
AXPZ20 KNHC 041539
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1605 UTC Sat Apr 4 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
1445 UTC.

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

A trough extends from 09N74W TO 08.5N83W TO 05.5N90W. The ITCZ 
continues from 04N91W TO 05N123W then resumes from 03N129W TO 
01N140W. Widely scattered moderate convection is noted from 02N
TO 05N between 86W AND 98W. Scattered moderate convection is 
noted from 02N TO 09.5N between 122W AND 134W.

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

A surface ridge extends from weakening 1026 mb high pressure 
near 31N140W to just S of the Revillagigedo Islands. The 
pressure gradient between this ridge and a surface trough over 
the Gulf of California is supporting gentle to moderate NW winds 
off Baja California. Light S to SW winds persist across most of 
the Gulf of California, while light to gentle NW to W winds 
prevail from Cabo Corrientes to the Gulf of Tehuantepec. Seas of
7 to 8 ft in NW swell prevail across the near shore waters north
of Punta Eugenia and are 7 to 9 ft across the offshore zones 
within 120 nm of the coast. Farther south, seas of 4 to 6 ft in a
mix of NW and SW swell dominate marine conditions. 

Low pressure will form north of the area over southern 
California early next week. An associated cold front will slowly 
approach Baja California and the Gulf of California through Tue. 
Fresh to strong SW winds will pulse into into the northern Gulf 
of California ahead of the front Sun night and Mon night. 
Otherwise generally quiescent conditions will persist across the 
offshore waters of Mexico.

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

Rather quiet conditions are observed over the Central American 
and equatorial waters, with light to gentle winds and seas in the
3-5 ft range prevailing. These conditions are expected to change
little through tonight. Early next week, a western Caribbean 
high pressure ridge is forecast to build southward. This will 
tighten the pressure gradient over the region and produce fresh 
to strong northeast to east gap winds across the Gulf of 
Papagayo region. Long-period southwest swell will reach the 
waters between Ecuador and the Galapagos Islands on Sun. 

REMAINDER OF THE AREA...

High pressure of 1026 mb is centered well north of the area near
31N140W. The pressure gradient between this area of high 
pressure and lower pressure in the vicinity of the ITCZ is 
supporting fresh to strong winds, and seas in the 7-10 ft range 
north of the ITCZ to near 18N and west of 120W. Gentle to 
moderate winds, and seas of 5-7 ft, prevail elsewhere.

Fresh to strong trades, and seas in the 7 to 9 ft range will 
prevail today. The area of high pressure will weaken and shift 
westward Sun. This will enable a frontal boundary to move into 
the waters north of 25N Sun into early next week. The pressure 
gradient across the tradewind belt will loosen as the area of 
high pressure weakens. This will diminish trade winds to the 
moderate range, and associated seas will decrease over the 
tropical waters Sun through Tue. Fresh trade winds will return 
toward mid week as high pressure builds in the wake of the front.

$$
Stripling