000
AXPZ20 KNHC 190259
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC WED APR 19 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 
0230 UTC.

...ITCZ...
ITCZ AXIS IS CENTERED ALONG 6N78W 8N90W 5N110W 3N140W. SCATTERED 
MODERATE 60 NM WIDE 84W TO 90W AND 110W TO 115W.

...DISCUSSION...
BROAD RIDGE OVER THE WESTERN PORTION OF THE AREA W OF 120W...
WITH A UPPER LEVEL ANTICYCLONIC CIRCULATION NEAR 8N130W. STRONG 
JET STREAM EXTENDS THROUGH 20N140W TO 19N132W TO 15N125W. BROAD 
AND WEAKENING MID/UPPER LEVEL TROUGH IS OVER THE NE PORTION OF 
THE AREA N OF 21N BETWEEN 110W AND 127W. DRY AIR AND ASSOCIATED 
MODERATE TO STRONG SUBSIDENCE IS NOTED NORTH OF 11N BETWEEN 110W 
AND 135W. MID/UPPER LEVEL RIDGE WITH AXIS FROM CENTRAL AMERICA 
ACROSS EASTERN MEXICO THEN INTO TEXAS. EXCEPT FOR SOME HIGH 
LEVEL MOISTURE OVER NORTHERN MEXICO STRONG SUBSIDENCE AND DRY 
AIR IS NOTED N OF THE ITCZ E OF 110W. SURFACE HIGH PRES RIDGE 
COVERS THE AREA N OF 13N W OF 110W. BROKEN TO OVERCAST STRATUS 
AND STRATOCUMULUS CLOUDS IS WITHIN THE RIDGE. 
 
$$