000
AXPZ20 KNHC 070924
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN NOV 07 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 05.5N78W TO 
09N111W TO 12.5N125W TO 08N140W. SCATTERED MODERATE CONVECTION 
WITHIN 60 NM OF AXIS BETWEEN 109W AND 115W. SCATTERED MODERATE 
CONVECTION WITHIN 210 NM N OF AXIS BETWEEN 122W AND 126W.  

...DISCUSSION...
A HIGH PRES RIDGE PREVAILS ACROSS THE N PART OF THE FORECAST 
AREA. THE PRESSURE GRADIENT BETWEEN THE RIDGE AND LOWER 
PRESSURES NEAR THE ITCZ ARE SUPPORTING FRESH TO STRONG TRADE 
WINDS FROM 10N TO 24N W OF 128W...WHICH ARE INDICATED ON THE 
LATEST ASCAT PASS. THE AREAL COVERAGE OF THE TRADES ARE EXPECTED 
TO EXPAND EASTWARD TO NEAR 125W BY LATE TODAY AND PERSIST 
THROUGH AT LEAST TUE MORNING. 

LARGE NW SWELLS CONTINUE TO PREVAIL ACROSS THE WATERS W OF 105W. 
THESE SWELLS WILL PREVAIL THROUGH MONDAY...AND START TO SUBSIDE 
EARLY TUESDAY. 

GAP WINDS...
GALE FORCE NORTHERLY WINDS CONTINUE TO SURGE INTO THE GULF OF 
TEHUANTEPEC AS INDICATED BY THE LATEST ASCAT PASS. THESE WINDS 
ARE EXPECTED TO REMAIN AT GALE FORCE THROUGH AT LEAST LATE 
SUNDAY/EARLY MONDAY...THEN DIMINISH BELOW GALE FORCE BY MONDAY 
EVENING. 

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 48 
HOURS...PEAKING IN THE EARLY MORNING HOURS WITH THE AID OF 
NOCTURNAL DRAINAGE FLOW OFF THE MOUNTAINOUS TERRAIN.

$$
AL