000
AXPZ20 KNHC 250320
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC TUE APR 25 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 7N77W 8N83W 8N100W 8N120W 7N124W 
4N132W 2N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 4N 
TO 8N BETWEEN 85W AND 92W. SCATTERED MODERATE 90 NM EITHER SIDE 
OF AXIS BETWEEN 117W AND 124W AND 75 NM S OF AXIS BETWEEN 132W 
TO 138W.

...DISCUSSION...

N OF 15N...
A MIDDLE/UPPER LEVEL TROUGH AXIS EXTENDS THROUGH 32N132W TO 
15N138W. CYCLONIC FLOW COVERS THE AREA W OF 128W THROUGH 140W. 
EARLIER MENTIONED WEAK LOW HAS FILLED AND OPENED UP INTO A 
TROUGH. JET FINGER IS DOWNSTREAM OF THE TROUGH AXIS NEAR 14N140W 
AND CONTINUES NE TO 20N130W TO 29N112W...THEN BECOMES 
SIGNIFICANTLY WEAKER OVER NORTHERN MEXICO. LARGE PLUME OF MID- 
UPPER TROPOSPHERIC MOISTURE ACCOMPANIES THE JET N OF 15N AS 
WELL AS OVER THE BAJA/NW MEXICO AREA.  

S OF 15N...
WEAK...NARROW...UPPER RIDGE DOMINATES THE DEEP TROPICS W OF 110W 
AND IS ENHANCING THUNDERSTORM ACTIVITY ALONG THE ITCZ. DEEP 
CONVECTION E OF 88W IS ASSISTED ALOFT BY DIFFLUENT WESTERLY FLOW.

$$
ROBERTS