000
AXPZ20 KNHC 292153
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC WED MAR 29 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY 
THROUGH 2045 UTC.

...ITCZ...
ITCZ AXIS ALONG 2N78W 4N87W 4N105W 9N120W 7N140W. SCATTERED 
MODERATE ISOLATED STRONG WITHIN 60-75 NM OF THE AXIS BETWEEN 84W 
AND 100W.

...DISCUSSION...

AN UPPER TROUGH EXTENDS FROM CYCLONIC CIRCULATION OVER SRN 
NEVADA SWD TO 26N113W. RIDGE AXIS EXTENDS SE THROUGH 33N135W TO 
18N135W. ZONAL FLOW WITH AREAS OF MODERATE SUBSIDENCE COVERS THE 
TROPICS S OF 14N. AREAS OF SUBSIDENCE WERE INHIBITING CONVECTION 
ALONG THE ITCZ.  AT THE SURFACE A WEAKCOLD FRONT IS FROM  
32N114W TO 23N126W. A LARGE MID/UPPER LEVEL ANTICYCLONE OVER 
VENEZUELA EXTENDS NWWD ACROSS THE CARIBBEAN AND PANAMA. AN UPPER 
LEVEL TROUGH EXTENDING FROM THE ISTHMUS OF TEHUANTEPEC SEWD TO 
6N85W WAS IMPINGING UPON THE RIDGE FROM THE W AND WAS 
ACCOMPANIED BY AN AREA OF STRONG SUBSIDENCE WHICH COVERED THE E 
PACIFIC N OF 5N...CENTRAL AMERICA AND THE NW CARIBBEAN. UPPER 
LEVEL FLOW WAS SOMEWHAT DIFLUENT S OF 5N AND WAS ENHANCING 
CONVECTION ALONG THE ITCZ BETWEEN 84W AND 100W.
A COLD FRONT IS FROM  32N114W TO 23N126W. 
$$
FORRES