000
AXPZ20 KNHC 310910
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC FRI MAR 31 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 0900 UTC.

...ITCZ...
ITCZ AXIS ALONG 8N78W 4N95W 4N129W 2N140W.
SCATTERED MODERATE TO STRONG WITHIN 90 NM EITHER SIDE OF AXIS 
FROM 81W TO 84W. WIDELY SCATTERED MODERATE WITHIN 60 NM OF AXIS 
FROM 91W TO 95W.

...DISCUSSION...
MID/UPPER LEVEL TROUGH HAS ENTERED THE NW PORTION OF THE AREA 
AND IS N OF 26N W OF 130W. A 90-95 KT JET STREAM ENTERS THE AREA 
FROM 27N140W TO 32N128W. A NARROW BAND OF SUBSIDENCE IS WITHIN 
60 NM N OF THE JET. BROAD UPPER LEVEL RIDGE WITH AXIS FROM 
30N118W 20N128W TO 14N140W. A LARGE AREA OF MODERATE SUBSIDENCE 
S OF 20N W OF 118W WHICH IS INHIBITING CONVECTION ALONG THE 
ITCZ. A MID/UPPER TROUGH EXTENDS N OF 18N BETWEEN 110W AND 116W. 
RIDGE COVERS MEXICO N OF 18N IS ACCOMPANIED BY STRONG SUBSIDENCE 
OVER SOUTHERN MEXICO S TO HONDURAS. STATIONARY UPPER LEVEL 
ANTICYCLONE OVER NRN SOUTH AMERICA EXTENDS WWD S OF PANAMA INTO 
THE PACIFIC NEAR 7N93W. UPPER LEVEL DIFLUENT FLOW ENHANCING 
CONVECTION OFF THE COASTS OF PANAMA AND COSTA RICA. A 1019 MB 
SURFACE HIGH PRES IS CENTERED NEAR 25N126W.

$$
DGS