000
AXPZ20 KNHC 302143
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU MAR 30 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 1545 UTC.

...ITCZ...
ITCZ AXIS ALONG 4N77W 5N110W 3N125W 4N140W. 
SCATTERED MODERATE TO STRONG WITHIN 120 NM OF AXIS BETWEEN 
81W AND 87W...AND WITHIN 60-90 NM OF THE COAST OF COLOMBIA FROM 
5N TO 8N.

...DISCUSSION...

BROAD MID/UPPER LEVEL RIDGE WITH AXIS ALONG 134W OVER AREA W OF 
128W. A LARGE AREA OF MODERATE SUBSIDENCE S OF 20N W OF 118W 
WHICH IS INHIBITING CONVECTION ALONG THE ITCZ. A MID/UPPER 
TROUGH EXTENDS FROM 30N124W TO 27N123W AND TO 17N118W. RIDGE 
COVERS MEXICO N OF 18N WITH MEAN AXIS ALONG 112W AND WAS 
ACCOMPANIED BY STRONG SUBSIDENCE OVER N-CENTRAL MEXICO. AT THE 
SURFACE 1018 MB HIGH CENTERED NEAR 26N131W DOMINATES THE AREA N 
OF 12N W OF 110W. LOW PRES W OF THE AREA NEAR 28N145W IS 
EXPECTED TO MOVE INTO THE AREA WITHIN THE NEXT 12-18 HOURS AND 
DRAG ANOTHER COLD FRONT ACROSS THE FAR NW PORTION OF THE AREA. 
STATIONARY ANTICYCLONE OVER NRN SOUTH AMERICA EXTENDS WWD AND N  
CARIBBEAN S OF 20N. LARGE AREA OF STRONG SUBSIDENCE COVERS 
CENTRAL AMERICA AND INTO THE E PACIFIC N OF 5N E OF 110W. UPPER 
LEVEL DIFLUENT FLOW S OF 5N IS ENHANCING CONVECTION ALONG THE 
ITCZ BETWEEN 82W AND 88W AND WITHIN 60-90 NM OF THE COAST OF 
COLOMBIA.  
 NE WINDS 20 TO 25 KT ALONG EL GOLFO DE PAPAGAYO. WILL 
CONTINUE FOR
NEXT 48 HOURS. 

$$
COBB