000
AXPZ20 KNHC 120349
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN SEP 12 2010

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...

THE INTERTROPICAL CONVERGENCE ZONE AXIS IS ANALYZED FROM 11N110W 
TO 12N125W TO 12N140W. SCATTERED MODERATE CONVECTION IS LOCATED 
WITHIN A 90 NM RADIUS OF 12.5N122.5W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION IS LOCATED WITHIN A 60 NM RADIUS OF 
12N137W.

...DISCUSSION...

W OF 110W...
A MIDDLE/UPPER LEVEL TROUGH COVERS MOST OF THE AREA N OF ABOUT 
22N W OF 118W AND IS MOVING ENE 10 KT. THE TROUGH AXIS IS 
LOCATED ALONG 125W. WATER VAPOR IMAGERY INDICATES STRONG 
SUBSIDENCE N OF 15N W OF 120W. MODERATE TO STRONG WESTERLY FLOW 
ALOFT IS FORECAST N OF ABOUT 25N W OF 130W WITHIN 36 TO 48 
HOURS. MODERATE SOUTHEASTERLY WINDS ALOFT ARE LOCATED OVER BAJA 
CALIFORNIA WITH SATELLITE DERIVED WINDS INDICATING SPEEDS UP TO 
35 KT. MODERATE EASTERLY WINDS ALOFT ARE LOCATED S OF 10N TO THE 
EQUATOR BETWEEN 110W AND 125W BECOMING LIGHT W OF 125W TO BEYOND 
140W. AT THE SURFACE A 1011 MB LOW IS LOCATED NEAR 13N134W WITH 
SCATTERED STRONG CONVECTION WITHIN A 90 NM RADIUS OF THE CENTER. 
THE LOW IS NEARLY STATIONARY. WINDS ARE 20 TO 25 KT WITHIN 180 
NM NW AND 120 NM SE SEMICIRCLES WITH SEAS TO 9 FT. A 1009 MB 
SURFACE LOW IS ANALYZED NEAR 12N114.5W.

E OF 110W...
FLOW ALOFT IS MOSTLY MODERATE OVER THE EASTERN PART OF THE 
DISCUSSION AREA AND IS FORECAST TO CONTINUE OVER THE NEXT 48 
HOURS.  IN 30 HOURS N WINDS OF 20 KT ARE FORECAST OVER THE GULF 
OF TEHUANTEPEC. A SURFACE TROUGH IS LOCATED FROM 12N96W TO 
10N106W.

$$
CAB