000
AXPZ20 KNHC 101548
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED NOV 10 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 FROM 08N82W TO 06N92W TO 11N116W TO 09N135W TO 10N140W. 
SCATTERED MODERATE CONVECTION WITHIN 120 NM OF AXIS W OF 100W. 

...DISCUSSION...
UPPER LEVEL TROUGH EXTEND FROM TEXAS ACROSS SOUTHERN BAJA 
CALIFORNIA INTO E PAC TO 13N130W WITH VERY DRY AIR MASS NW OF 
AXIS.  JET CORE OF 70 KT E OF AXIS ADVECTS SWATH OF TROPICAL 
MOISTURE CONVECTIVE DEBRIS FROM ITCZ ACROSS CENTRAL MEXICO TO SE 
TEXAS COAST.  MODERATE DIVERGENT FLOW ALOFT NEAR 116W ENHANCING 
SCATTERED TSTMS ALONG BOTH SIDE OF OTHERWISE WEAK SURFACE TROUGH.

ELSEWHERE AT THE SURFACE...
STATIONARY 1027 MB HIGH PRES CENTERED AT 33N137W HAS RIDGE 
EXTEND TO 19N107W.  PRES GRADIENT BETWEEN RIDGE AND WEAK TROUGH 
ALONG W COAST SUPPORT FRESH N-NW BREEZE ALONG COAST DOWN BAJA 
CALIFORNIA COAST INCLUDING GULF OF CALIFORNIA LIKELY TO LAST 
THROUGH FORECAST PERIOD. 

FRESH E-NE TRADE WINDS FROM 10N TO 27N W OF 122W REMAIN IN PLACE 
THROUGH NEXT 48 HRS...BUT EXPAND IN COVERAGE AS HIGH PRES N OF 
AREA BUILDS TO 1032 MB. 

LARGE NW SWELL CONTINUES TO PROPAGATE SE ACROSS AREA W OF 110W 
AS FRESH NE TRADES MAKES SECONDARY SWELL TRAIN N OF ITCZ.  CROSS 
EQUATORIAL SW SWELLS PREVIOUSLY S OF 10N SUBSIDE BELOW 8 FT THU.

$$
WALLY BARNES