000
AXPZ20 KNHC 220306
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON NOV 22 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...
AXIS IS ALONG 09N84W TO 07N98W TO 09N113W TO 08N119W TO 10N125W 
TO 07N133W TO 08N140W. SCATTERED MODERATE CONVECTION WITHIN 90 
NM N AND 30 NM S OF AXIS BETWEEN 90W AND 100W.

...DISCUSSION...

STRONG HIGH PRESSURE 1036 MB CENTERED NEAR 44N146W WITH RIDGE 
EXTENDING TO 20N110W HAS TIGHTENED THE PRESSURE GRADIENT ACROSS 
THE WESTERN PART OF THE AREA AND HAVE FRESHENED THE TRADES FROM 
12N TO 20N W OF 130W. THE HIGH PRESSURE CENTER WILL SHIFT SE 
OVER THE NEXT 24 HOURS...EXPANDING THE AREA OF FRESH TRADES. 
THIS WILL ALSO PRODUCE FRESH NW WINDS OFF THE WEST COAST OF BAJA 
CALIFORNIA. LARGE NLY SWELLS TO 11 FT ARE PROPAGATING ACROSS THE 
WESTERN PORTION OF THE AREA W OF 116W. 

GAP WINDS
WINDS OVER THE GULF OF TEHUANTEPEC ARE FORECAST TO GRADUALLY 
WEAKEN OVER THE NEXT DAY TO LESS THAN 20 KT BY MON EVENING.

FRESH TO STRONG ELY WINDS OVER THE WESTERN CARIBBEAN ARE 
FUNNELING THROUGH THE CENTRAL AMERICA PASSES BRINGING FRESH 
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. 

$$
AL