000
AXPZ20 KNHC 230937
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE NOV 23 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...
AXIS EXTENDS W FROM 09N84W TO 08N103W TO 09N130W TO 08N140W. 
SCATTERED MODERATE CONVECTION WITHIN 30 NM OF LINE FROM 08N130W 
TO 11N133W. 

...DISCUSSION...
1034 MB HIGH PRESSURE CENTERED NEAR 40N143W WITH RIDGE EXTENDING 
SE ACROSS N PART OF THE AREA TO NEAR 20N111W. PRESSURE GRADIENT 
BETWEEN RIDGE AND LOW PRES ASSOCIATED WITH ITCZ IS MAINTAINING 
FRESH TRADES FROM 12N TO 22N W OF 117W. TIGHT PRESSURE GRADIENT 
BETWEEN THE RIDGE AND TROUGH OF LOW PRESSURE OVER SIERRA MADRE 
IS PRODUCING FRESH WINDS OFF THE WEST COAST OF BAJA CALIFORNIA. 
HIGH PRES WILL REMAIN NEARLY STATIONARY AND CONTINUE TO MAINTAIN 
FRESH WINDS OVER A LARGE PORTION OF AREA THROUGH FORECAST PERIOD.

ELY WINDS OVER THE WESTERN CARIBBEAN ARE FUNNELING THROUGH THE 
CENTRAL AMERICA PASSES BRINGING 20 KT WINDS INTO THE GULF OF 
PAPAGAYO. THESE WINDS WILL PULSE WITH THE STRONGEST WINDS DURING 
THE OVERNIGHT AND EARLY MORNING HOURS WITH THE AID OF NOCTURNAL 
DRAINAGE FLOW OFF THE MOUNTAINOUS TERRAIN. 

FRESH TO STRONG NW WINDS W OF CALIFORNIA COAST WED WILL GENERATE 
ANOTHER SURGE OF NW SWELL IN NORTHERN PORTION OF FORECAST AREA TO
12 FT WED NIGHT AND THU. 20-30 KT WINDS ARE EXPECTED TO DEVELOP 
IN THE GULF OF CALIFORNIA THU NIGHT AND FRI WITH SEAS TO 9 FT.

$$
MUNDELL