000
AXPZ20 KNHC 242123
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC MON APR 24 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 
2100 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 10N86W 8N86W 7N100W 7N117W 3N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 5N TO 9N 
BETWEEN 81W AND 86W. SCATTERED MODERATE 85 NM EITHER SIDE OF 
AXIS BETWEEN 94W AND 105W. SCATTERED MODERATE WITHIN 80 NM 
RADIUS OF 9N109W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
90 NM EITHER SIDE OF AXIS BETWEEN 116W TO 130W.

...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 DEVELOPMENT OF SCATTERED MODERATE TO STRONG 
CONVECTION ALONG THE ITCZ. DEEP CONVECTION E OF 88W IS ASSISTED 
ALOFT BY DIFFLUENT WESTERLY FLOW.

$$
ROBERTS