000
AXPZ20 KNHC 140933
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI APR 14 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY 
THROUGH 0845 UTC.

...ITCZ AXIS 7N77W 5N100W 11N120W 5N140W. SCATTERED MODERATE 
CONVECTION WITHIN 90 NM N OF THE ITCZ W OF 133W.
 
...DISCUSSION...

HIGH-AMPLITUDE UPPER LEVEL PATTERN CONTINUES OVER THE 
DISCUSSION AREA COMPRISED OF A SHARP TROUGH EXTENDING FROM THE W 
CARIBBEAN OVER CENTRAL AMERICA NEAR HONDURAS/NICARAGUA INTO THE 
PACIFIC TO NEAR 5N100W...A RIDGE FROM 10N130W NEWD OVER MEXICO 
INTO THE CENTRAL UNITED STATES...AND A LARGE CUTOFF LOW 
APPROXIMATELY 300-400 NM WSW OF SAN DIEGO CALIFORNIA NEAR 
31N125W.  CONFLUENT FLOW ALOFT AND STRONG SUBSIDENCE DOMINATES 
MUCH OF THE AREA SE OF THE UPPER RIDGE AXIS INCLUDING S MEXICO 
AND CENTRAL AMERICA N OF PANAMA.  SIMILARLY.. CONFLUENT FLOW 
INTO THE BASE OF THE UPPER LOW OFF THE CALIFORNIA COAST IS 
CREATING SUBSIDENCE AND DRY/STABLE CONDITIONS ALOFT NW OF A LINE 
FROM 14N140W TO 30N120W.  OVER N MEXICO...HIGH LEVEL MOISTURE 
AND CLOUDINESS IS NOTED ALONG AND SE OF A 90-140 KT SUBTROPICAL 
JET FROM 20N130W NEWD INTO S CALIFORNIA. AT THE 
SURFACE...WEAKENING COLD FRONT ENTERS AREA NEAR 32N121W AND 
EXTENDS SWD ALONG 25N121W 20N125W 15N130W. BROKEN TO OVERCAST 
LOW CLOUDS AND SCATTERED SHOWERS ARE OBSERVED WITHIN 60 NM 
EITHER SIDE OF THE FRONT ESPECIALLY N OF 20N.  ELSEWHERE AT THE 
SURFACE...THE SIGNIFICANT SWD PROGRESS OF THE AFOREMENTIONED 
COLD FRONT COUPLED WITH LOW PRES JUST N OF THE AREA HAS WEAKENED 
THE SUBTROPICAL PACIFIC RIDGE AND THE STRONGEST ELY TRADES ARE 
NOW CONFINED W OF 130W.  OVER THE DEEP TROPICAL PACIFIC...THE 
ITCZ IS MOST ACTIVE W OF 130W.  

$$
RHOME