000
AXPZ20 KNHC 061507
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SAT NOV 06 2010

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...ITCZ...
AXIS IS ALONG 10N86W 8N100W 11N125W 7N140W. NO SIGNIFICANT 
CONVECTION.

...DISCUSSION...
UPPER LEVEL TROUGH EXTENDS FROM 32N124W TO 19N140W. A 40-55 KT 
SW WIND MAX IS SE OF THE TROUGH AXIS FROM 14N138W TO 25N124W TO 
THE N COAST OF BAJA CALIFORNIA. A NARROW BAND OF CIRRUS CLOUDS
IS SE OF THE WIND MAX. MODERATE TO STRONG SUBSIDENCE IS W OF THE 
WIND MAX. DOWNSTREAM UPPER LEVEL RIDGE EXTENDS FROM NW MEXICO 
ACROSS CENTRAL BAJA CALIFORNIA TO 10N120W. MODERATE TO STRONG 
SUBSIDENCE WITH DRY AND STABLE AIR AT THE MIDDLE AND UPPER 
LEVELS COVERS THE AREA N OF THE ITCZ E OF RIDGE AXIS. DEEP LAYER 
TROUGH FROM THE SE U.S. ACROSS THE GULF OF MEXICO INTO CENTRAL 
MEXICO...WITH RIDGE EXTENDING FROM THE SW CARIBBEAN ACROSS 
CENTRAL AMERICA TO 10N95W.

STRONG HIGH PRES OVER THE GULF OF MEXICO HAS TIGHTENED THE 
PRES GRADIENT OVER SOUTHERN MEXICO AND GALE FORCE WINDS ARE 
BLOWING THROUGH THE GULF OF TEHUANTEPEC. THESE WINDS ARE 
EXPECTED TO CONTINUE THROUGH EARLY MON.

DISSIPATING COLD FRONT EXTENDS FROM 32N120W TO 26N132W. NO 
SIGNIFICANT WEATHER ASSOCIATED WITH THE FRONT. SURFACE TROUGH
IS ANALYZED ALONG THE ITCZ FROM 14N106W TO A 1010 LOW PRES NEAR
10N107W TO 7N108W. SCATTERED MODERATE CONVECTION IS WITHIN 140 
NM NE OF THE LOW. LARGE NW SWELL CONTINUE TO PROPAGATE SE ACROSS 
THE AREA W OF 105W.

$$
DGS