000
AXPZ20 KNHC 220930
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON NOV 22 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 07N101W TO 07N120W TO 09N140W. 
SCATTERED MODERATE CONVECTION WITHIN 45 NM OF AXIS BETWEEN 92W 
AND 101W.

...DISCUSSION...

STRONG HIGH PRESSURE 1036 MB CENTERED NEAR 43N146W WITH RIDGE 
EXTENDING TO 20N110W HAS TIGHTENED THE PRESSURE GRADIENT ACROSS 
THE WESTERN PART OF THE AREA AND FRESHENED TRADES FROM 12N TO 
20N W OF 130W. HIGH PRESSURE CENTER WILL SHIFT SSE IN THE NEXT 
24 HOURS...EXPANDING THE AREA OF FRESH TRADES AND PRODUCING 
FRESH NW WINDS OFF THE WEST COAST OF BAJA CALIFORNIA. LARGE NLY 
SWELLS TO 14 FT BEHIND A DISSIPATING COLD FRONT ARE PROPAGATING 
INTO THE NORTHERN PORTION OF THE AREA BETWEEN 120W AND 140W. 

GAP WINDS
SURFACE AND SCATTEROMETER DATA INDICATE WINDS OVER THE GULF OF 
TEHUANTEPEC ARE LESS THAN 20 KT.

FRESH TO STRONG ELY WINDS OVER THE WESTERN CARIBBEAN CONTINUE TO 
FUNNEL THROUGH THE CENTRAL AMERICA PASSES...BRINGING FRESH WINDS 
INTO THE GULF OF PAPAGAYO. DIURNAL PULSING OF THESE WINDS ARE 
EXPECTED...WITH STRONGEST WINDS LATE AT NIGHT AND EARLY MORNING 
HOURS DUE TO NOCTURNAL DRAINAGE FLOW OFF MOUNTAINOUS TERRAIN. 

$$
MUNDELL