000
AXPZ20 KNHC 221002
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI JUN 22 2012

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0915 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 19N109W TO 06N127W THEN ITCZ TO 03N133W TO 
03N140W.  ISOLATED MODERATE WITHIN 120 NM OF AXIS FROM 113W-132W.

...DISCUSSION...
MID TO UPPER LEVEL ANTICYCLONE AT 22N134W MAINTAINS VERY DRY AIR 
MASS UNDER VERY STRONG SUBSIDENCE N OF 15N W OF 110W.  NOT EVEN 
WEAKENING UPPER LEVEL CYCLONE AT 20N115W IS ABLE TO PROVOKE ANY 
SIGNIFICANT CONVECTION DUE TO LACK OF MOISTURE.  ANTICYCLONE 
OVER SOUTHERN MEXICO COMPLETES THE UPPER SCENARIO ACROSS E PAC.

AT THE LOWER LEVELS...
HIGH PRES CENTER 1030 MB WELL NW OF BASIN HAS RIDGE EXTEND TO 
22N120W FORCES FRESH NW WINDS ALONG W COAST OF CALIFORNIA AND 
THE BAJA PENINSULA N OF 27N AND ASSOCIATED SEAS TO 8 FT.  

MODEL GUIDANCE INDICATES LITTLE CHANGE TO PRESENT SCENARIO.  IF 
ANYTHING...THE CALIFORNIA WINDS DIMINISH TO A MODERATE BREEZE BY 
SUN.

$$
WALLY BARNES