000
AXPZ20 KNHC 110403
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT MAR 11 2006

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0345 UTC.

...ITCZ...
ITCZ AXIS MEANDERS FROM 4N77W 5N94W EQUATOR AT 102W. SCATTERED 
MODERATE CONVECTION WITHIN 30 NM OF AXIS FROM 85W TO 89W.

...DISCUSSION...
UPPER LEVEL TROUGH OVER WESTERN UNITED STATES EXTENDS SW TO 
20N120W THEN TO CYCLONIC VORTEX AT 19N144W.  JET CORE WITH 130 
KT SWEEPS WITHIN 180 NM SE OF AXIS ASSOCIATED WITH SHORTWAVE 
TROUGH ADVECTING MOISTURE INTO CENTRAL MEXICO AND NW GULF OF 
MEXICO.  LESSER WINDS 45-50 KT IN LINE WITH JET CORE BRINGING 
MORE UPPER LEVEL MOISTURE ACROSS E PAC FROM N OF 9N140W TO 
21N105W.

MID/UPPER LEVEL RIDGE CONTINUES ITS RETREAT E FORCED BY UPPER 
LEVEL TROUGH.  RIDGE EXTENDS DRY AIRMASS S OF 14N E OF 120W AND 
MOST OF CARIBBEAN SEA.  

AT THE SURFACE...BROAD HIGH PRES RIDGE FROM 30N140W TO 17N112W 
KEEPS LID ON ANY DEEP CONVECTION UNDER ITS UMBRELLA.  BRISK 
TRADES COVER FROM 7N TO 23N W OF 120W WHILE STRONG WINDS ROLL 
DOWN ALONG W COAST INTO BAJA CALIFORNIA WATERS ADDING VERY LARGE 
SWELLS TO SEAS NEXT 24 HRS. 

$$
WALLY BARNES