000
AXPZ20 KNHC 080929
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON NOV 08 2010

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...
THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG 06N77W TO 
11N128W TO 08N140W. SCATTERED MODERATE CONVECTION WITHIN 90 NM S 
OF AXIS BETWEEN 122W AND 128W.

...DISCUSSION...
A HIGH PRES RIDGE DOMINATES THE N WATERS. THE PRESSURE GRADIENT 
BETWEEN THE RIDGE AND LOWER PRESSURES NEAR THE ITCZ ARE 
SUPPORTING FRESH TO STRONG TRADE WINDS FROM 12N TO 25N W OF 
125W...WHICH ARE INDICATED ON THE LATEST ASCAT PASS AND SHIP 
OBSERVATIONS. FRESH TO STRONG TRADES WILL PREVAIL OVER THIS AREA 
OVER THE NEXT COUPLE OF DAYS. 

LARGE NW SWELLS CONTINUE TO PREVAIL ACROSS THE REGIONAL WATERS W 
OF 115W. THIS SWELL IS MIXING WITH MODERATE...SHORTER PERIOD 
TRADE WIND WAVES OVER THE REGION MENTIONED ABOVE.

GAP WINDS...
GALE FORCE NORTHERLY WINDS CONTINUE TO SURGE INTO THE GULF OF 
TEHUANTEPEC. WINDS OVER THE GULF OF MEXICO WILL VEER THIS 
AFTERNOON. THIS WILL DECREASE THE WINDS FUNNELING THROUGH THE 
ISTHMUS OF TEHUANTEPEC AND GALE FORCE WINDS OVER THE GULF OF 
TEHUANTEPEC WILL THEN DIMINISH BELOW 35 KT BY THIS EVENING...AND 
BELOW 20 KT WITHIN 48 HOURS. 

STRONG WINDS OVER THE WESTERN CARIBBEAN ARE FUNNELING THROUGH 
THE CENTRAL AMERICA PASSES BRINGING FRESH TO STRONG WINDS INTO 
THE GULF OF PAPAGAYO. THIS FLOW WILL MAINTAIN OVER THE NEXT 
24-36 HOURS...PEAKING IN THE EARLY MORNING HOURS WITH THE AID OF 
NOCTURNAL DRAINAGE FLOW OFF THE MOUNTAINOUS TERRAIN. 

$$
AL