000
AXPZ20 KNHC 201000
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED SEP 20 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 IS CENTERED ALONG 11N86W 13N95W 6N115W 9N130W 6N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 7N TO 15N 
BETWEEN 87W AND 95W.

...DISCUSSION...
MID/UPPER TROUGH FROM EXTENDS FROM SOUTHERN CALIFORNIA TO 
32N123W TO 23N135W. A LARGE AREA OF SUBSIDENCE COVERS THE AREA W 
OF A LINE FROM 32N116WE TO 10N135W. AN UPPER ANTICYCLONE IS 
CENTERED OVER WESTERN MEXICO NEAR 23N104W. ANTICYCLONIC FLOW 
COVERS ALL OF MEXICO AND INTO THE PACIFIC N OF 9N E OF 120W.

THE REMNANT LOW OF TROPICAL CYCLONE MIRIAM IS NEAR 24N115W 1012 
MB MOVING N 10 KT AND FORECAST TO DISSIPATE BY 24 HOURS. EARLIER 
CONVECTIVE ACTIVITY HAS DISSIPATED.

ANOTHER 1012 MB LOW PRES IS LOCATED NEAR 16N104W. SCATTERED TO 
NUMEROUS STRONG TSTMS ARE WITH 180 NM NW OF THE LOW CENTER.

ELSEWHERE AT THE SURFACE A RIDGE EXTENDS FROM 32N138W 20N119W. 

$$
DGS