000
AXPZ20 KNHC 282200
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU AUG 28 2008

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2115 UTC.

...TROPICAL WAVES...

A TROPICAL WAVE ALONG 98W N OF 09N IS MOVING W ABOUT 10 KT. THE 
WAVE IS WEAK AND LITTLE ORGANIZED CONVECTION IS ASSOCIATED WITH 
IT. FURTHER N OVER MEXICO AND THE SW BAY OF CAMPECHE A BROAD 
AREA OF CYCLONIC TURNING AT THE LOW AND MIDDLE LEVELS IS 
CENTERED IN THE VICINITY OF 19N96W. 
     
...ITCZ...

ITCZ AXIS IS CENTERED ALONG 09N80W TO 13N93W TO 11N108W TO 
14N117W TO 10N130W TO 10N140W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS LOCATED FROM 05N TO 11N BETWEEN 78W AND 
94W. SCATTERED MODERATE CONVECTION IS LOCATED FROM 07N TO 14N 
BETWEEN 96W AND 113W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION IS LOCATED WITHIN 120 NM OF AXIS W OF 126W.

...DISCUSSION...

W OF 105W...
A MIDDLE/UPPER LEVEL TROUGH HAS ITS AXIS LOCATED ALONG 135W N OF 
20N. THE TROUGH IS MOVING W 10 TO 15 KT AND CYCLONIC FLOW IS 
LOCATED N OF 20N W OF 130W. MOVING DOWNSTREAM A LARGE 
MIDDLE/UPPER LEVEL ANTICYCLONIC CIRCULATION IS CENTERED NEAR 
24N122W. EASTERLY FLOW ALOFT EXTENDS S OF 22N TO THE EQUATOR 
WITH SATELLITE CLOUD DRIFT WINDS MEASURING IN THE 30 TO 40 KT 
RANGE. A MIDDLE/UPPER LEVEL TROUGH IS LOCATED OVER NW MEXICO 
WITH THE AXIS TILTED FROM 32N115W TO 23N105W. AT THE SURFACE A 
WEAK 1008 MB LOW IS CENTERED NEAR 15N116W. SOUTHERLY SWELLS TO 
10 FT ARE LOCATED S OF A LINE FROM 10N91W TO 10N100W TO 00N120W.

E OF 105W...
EASTERLY TO NORTHEASTERLY FLOW ALOFT COVERS THE E PART OF THE 
DISCUSSION AREA WITH SATELLITE CLOUD DRIFT WINDS MEASURING AS 
HIGH AS 50 KT. 

$$
CAB