000
AXPZ20 KNHC 120359
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC MON NOV 12 2007

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...
ITCZ AXIS 9N83W  6N92W  11N118W  8N132W  8N140W.  SCATTERED 
MODERATE TO STRONG CONVECTION WITHIN 120 NM S OF AXIS FROM 115W 
TO 126W.

...DISCUSSION...
WEAK UPPER RIDGE INTRUDES FROM CARIBBEAN INTO SE MEXICO THEN 
EXTENDS NE INTO SE TEXAS.  MODERATE TO STRONG SUBSIDENCE COVERS 
AREA S OF 20N E OF 112W.  UPPER LEVEL TROUGH BRINGS SWATH OF 
MOIST CONVECTIVE DEBRIS NE FROM ITCZ W OF 113W WITH 70 KT JET 
CORE.  DIFFLUENT FLOW ALOFT SE OF TROUGH ENHANCING CONVECTION 
ALONG ITCZ FROM 112W-125W.  VERY DRY W OF TROUGH EXCEPT NEW AREA 
OF SUBTROPICAL MOISTURE APPROACHING NW CORNER BROUGHT IN BY 
UPSTREAM ANTICYCLONE AT 27N150W.

AT THE SURFACE...DIFFUSING COLD FRONT EXTENDS FROM 32N119W 
27N126W.  HIGH PRES CENTER N OF AREA FORCING NW WINDS AGAINST 
CALIFORNIA COAST WITH MODERATE TO LARGE SWELLS MOVING S ALONG 
BAJA CALIFORNIA COAST.  MODERATE TRADES FROM 10N TO 20 N W OF 
130W.  

WEAKENING TEHUANTEPEC NE WINDS OUGHT TO PICK UP AGAIN WITHIN 48 
HRS AS HIGH PRES RIDGE STRENGTHENS OVER GULF OF MEXICO. 

$$
WALLY BARNES