000
AXPZ20 KNHC 220323 RRA
TWDEP 

Tropical Weather Discussion 
NWS National Hurricane Center Miami FL
0405 UTC Thu Mar 22 2018

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 0000 UTC surface analysis and satellite imagery through 
0300 UTC. 

...SPECIAL FEATURES...

Gulf of Tehuantepec Gale Warning: High pressure in southern 
Mexico behind a frontal system across the Yucatan Peninsula is 
supporting strong to near-gale north winds into the gulf. Winds 
in Tehuantepec will strengthen to minimal gale force overnight 
and pulse again Thu night, with seas building to a max of 13 ft.

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

A surface trough extends from 07N77W to 04N87W to 05N94W. The 
ITCZ axis continues from 05N94W to 08N110W to 07N140W. Scattered 
moderate convection is within 75 nm either side of this axis 
between 88W and 100W. Scattered moderate isolated strong 
convection is from 05N to 08N between 116W and 125W.

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...

Please see see Special Features Section above for details on 
gale force winds expected to affect the Gulf of Tehuantepec.

Weak high pressure is centered W of the Baja peninsula near 27N 
120W. The high will support gentle northerly winds in the Baja 
offshore waters through Thursday. Moderate northerly winds will 
develop Fri morning as a strong ridge builds NW of the forecast 
area behind a cold front moving into southern California.
  
Gulf of California: Light to gentle variable winds will dominate 
the gulf waters through the weekend.

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

Gulf of Papagayo: Fresh to strong northeast winds will resume 
downstream the Gulf of Papagayo late tonight, reaching near 92W 
Friday. This wind episode will continue through Sun with max 
seas building to 10-11 ft. 

Fresh to strong northerly winds are also expected downstream of 
the Gulf of Panama starting tonight through Friday evening. 
Light to gentle offshore flow will prevail elsewhere.

REMAINDER OF THE AREA... 

A low pres system well N of the area extends a surface trough 
from 30N135W to 22N140W. Ahead of the trough, a cold front 
extends from 30N125W to 19N138W. Fresh to strong northerly winds 
are expected behind the trough through Thu morning with seas to 
14 ft. The low will continue to lift N-NE away from the area 
Thu. Large NW swell associated with this system will propagate 
southeastward across the NW forecast waters through Sat.

$$
Mundell