000
AXPZ20 KNHC 140330
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC TUE DEC 14 2010

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE AXIS EXTENDS FROM 08N81W TO 
05N95W TO 08N117W TO 06N125W TO 08N140W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION...

A WEAKENING 1021 MB SURFACE HIGH LOCATED NEAR 29N134W EXTENDS A 
RIDGE OVER THE FORECAST WATERS N OF 15N AND W OF 110W. A WEAK 
INVERTED TROUGH IS EVIDENT ALONG 130W. SCATTEROMETER DATA SHOWS 
VERY LITTLE IF ANY WINDS MORE THAN 20 KT EXCEPT FOR FAVORED GAP 
WIND LOCATIONS NOTED BELOW. THE HIGH WILL SHIFT W TOWARD THE NW 
CORNER OF THE FORECAST AREA TUE AND WED. A LOW PRES SYSTEM WILL
APPROACH THE NW CORNER OF THE AREA WED.

BY WED AFTERNOON WINDS ACROSS ENTIRE FORECAST AREA EXPECTED TO 
BE 20 KT OR LESS WITH SEAS 8 FT OR LESS.

GAP WINDS...
WEAKENING HIGH PRES OVER E MEXICO CONTINUES TO FUNNEL STRONG N
WINDS THROUGH THE CHIVELA PASS INTO THE GULF OF TEHUANTEPEC. THE 
ONLY SURFACE OBSERVATIONS AVAILABLE OVER THE PAST 12 HOURS WERE 
FROM IXTEPEC IN OAXACA MEXICO WHICH HAS SHOWN WINDS DIMINISHING 
FROM 40 KT WITH GUSTS TO 50 KT AT 1300 UTC TO 25 KT GUSTS TO 35 
KT AT 0100 UTC. GALE FORCE WINDS ARE EXPECTED IN THE GULF OF 
TEHUANTEPEC ANOTHER 12-18 HOURS UNTIL TUE MORNING. SEAS PEAKED 
AT AROUND 18 FT EARLIER TODAY.

SCAT PASS SHOWS NE WINDS 20-25 KT FUNNELING INTO THE GULF OF 
FONSECA AS THE WIND SURGE FROM A GOLD FRONT IN THE WESTERN 
CARIBBEAN MOVES FURTHER SOUTH. FRESH TO STRONG NE WINDS ARE 
EXPECTED OVER THE GULFS OF FONSECA AND PAPAGAYO THROUGH WED. THE 
GULF OF PANAMA WILL SEE WINDS TO 20 KT BY EARLY TUE MORNING.

$$
MUNDELL