000
AXPZ20 KNHC 262145
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI AUG 26 2011

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/MONSOON TROUGH...

MONSOON TROUGH 11N88W TO LOW PRES 18N114W TO 10N125W TO 10N140W. 
SCATTERED MODERATE TO STRONG CONVECTION IS LOCATED FROM 10N TO 
14N BETWEEN 95W AND 100W...FROM 13N TO 17N BETWEEN 100W AND 
108W...AND WITHIN A 60 NM RADIUS OF 19N116W.

...DISCUSSION...

A MIDDLE/UPPER LEVEL TROUGH COVERS THE AREA N OF 20N W OF 123W 
WITH THE AXIS ORIENTED NE TO SW FROM BEYOND 32N128W TO NEAR 
20N137W. WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE IN THIS 
AREA. FURTHER DOWNSTREAM BROAD RIDGING ALOFT IS LOCATED N OF 20N 
E OF 120W INTO NORTHERN MEXICO. OVER THE TROPICS MOSTLY LIGHT 
EASTERLY WINDS ALOFT ARE LOCATED S OF 18N TO THE EQUATOR W OF 
120W. AT THE SURFACE A 1006 MB LOW IS LOCATED NEAR 18N114W AND 
IS MOVING W ABOUT 10 KT. A 1024 MB HIGH IS LOCATED IN THE 
VICINITY OF 35N140W WITH A RIDGE EXTENDING SE TO 22N122W. 

OVER THE EASTERN PART OF THE DISCUSSION AREA...S OF 15N E OF 
110W...WINDS ALOFT ARE EASTERLY TO NORTHEASTERLY WITH SATELLITE 
DERIVED WINDS INDICATING SPEEDS UP TO 45 KT. EASTERLIES ARE 
FORECAST TO EXPAND WESTWARD TO 120W OVER THE NEXT 48 HOURS.

$$
CAB