000
AXPZ20 KNHC 020331
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC WED DEC 2 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 W FROM 09N84W TO 
07N93W TO LOW PRES NEAR 10N111W TO 10N121W TO 07N140W. SCATTERED 
MODERATE CONVECTION WITHIN 60 NM OF AXIS BETWEEN 108W AND 112W.

...DISCUSSION...

1023 MB HIGH PRES NEAR 29N127W WILL WEAKEN AS A COLD FRONT IN 
FAR NW PORTION OF DISCUSSION AREA MOVES SE. FRESH NW WINDS IN 
GULF OF CALIFORNIA WILL CONTINUE TO WEAKEN AS PRESSURE GRADIENT 
RELAXES...WITH SEAS SUBSIDING BELOW 8 FT. AREA OF FRESH TRADES 
FROM 10N TO 21N W OF 114W WILL BE 15 KT BY THU MORNING WITH MAX 
SEAS TO 8 FT AS APPROACHING COLD FRONT WEAKENS HIGH PRES RIDGE 
ACROSS THE REGION. WINDS WILL BE 20-30 KT WITH N TO NW SWELL TO 
13 FT BEHIND THE COLD FRONT.

SW MONSOON FLOW WILL INCREASE S OF PANAMA AND COSTA RICA AS LOW 
PRES LINGERS N OF PANAMA IN SW CARIBBEAN SEA. 20-25 KT DIURNAL 
WINDS ARE EXPECTED TO DEVELOP ON EITHER SIDE OF A MONSOON TROUGH 
EXTENDING SW FROM THE GULF OF PAPAGAYO TO NEAR 05N90W. 

GAP WINDS...
STRONG HIGH PRES OVER SOUTHERN MEXICO FUNNELING STORM FORCE WINDS
INTO THE GULF OF TEHUANTEPEC. IXTEPEC ON THE TEHUANTEPEC COAST 
OF MEXICO REPORTED 40 KT SUSTAINED WINDS WITH GUSTS TO 50 KT FOR 
11 STRAIGHT HOURS FROM 14Z TO 01Z. WINDS DIMINISH BELOW STORM 
FORCE WITHIN THE NEXT 12 HOURS WITH MINIMAL GALE FORCE CONDITIONS
EXPECTED THROUGH 30 HOURS.

$$
MUNDELL