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Eastern North Pacific Tropical Weather Discussion (Text)



000
AXPZ20 KNHC 220944
TWDEP 

Tropical Weather Discussion
NWS National Hurricane Center Miami FL
1005 UTC Fri Feb 22 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 
0900 UTC.

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

A surface trough extends from 08N78W to 04N93W. The ITCZ extends 
from 04N93W to 03N100W to 05N117W to 02N140W. Scattered moderate 
isolated strong rain showers within an area bounded by 14N110W 
to 05N105W to 3N111W to 04N118W to 14N110W.

...DISCUSSION...

OFFSHORE WATERS WITHIN 250 NM OF MEXICO...  

An weakening cold front extending from the northern Gulf of 
California to 327N120W. Scatterometer data shows fresh to strong 
northerly winds behind it. Large NW swell associated with the 
front is spreading into the waters off Baja California Norte. 
Combined seas will peak near 14 ft this morning then start to 
subside. Seas 8 ft or greater will cover the offshore waters of 
Baja California by Sat morning, then subside Sun.

Gulf of California: Fresh to strong winds and seas of 8 to 10 ft 
will prevail across the northern Gulf of California this morning 
then decrease this afternoon.

Gulf of Tehuantepec: The next gap wind event in the Gulf of 
Tehuantepec is expected to begin Sun, with gale conditions
possible Sun night. 

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

Gulf of Papagayo: Fresh winds will prevail across the Gulf of 
Papagayo through Sun, pulsing to strong tonight and Sat night.
Winds will then strengthen Sun night through Tue night.

Gulf of Panama: Gentle to moderate northerly winds are expected 
across the Gulf of Panama through Mon with seas less than 5 ft.
Wind will increase slightly Mon night through Tue night as the 
local pressure gradient tightens.

REMAINDER OF THE AREA... 

A ridge of high pressure extends across the northern waters. The
pressure gradient between the ridge and lower pressure in the
vicinity of the ITCZ is supporting moderate to fresh winds N of
the ITCZ to around 20N. Seas over this area are in the 7 to 10 
ft range. NW swell has propagated into the northern waters N of 
25N E of 134W. The swell will continue to propagate southward, 
with seas greater than 8 ft covering much of the waters N of 20N 
and E of 130W by late tonight before starting to subside. 

$$
Mundell

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Page last modified: Friday, 22-Feb-2019 09:45:00 UTC