000
AXPZ20 KNHC 261528
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SUN AUG 26 2007

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1515 UTC.

...TROPICAL WAVES...

A TROPICAL WAVE LOCATED ALONG 85W/86W N OF 5N IS MOVING W ABOUT 
10 KT. ONLY ISOLATED MODERATE CONVECTION IS ASSOCIATED WITH THIS 
FEATURE. 

A TROPICAL WAVE LOCATED ALONG 98W/99W N OF 5N INTO MEXICO IS 
MOVING W ABOUT 10 KT. SCATTERED MODERATE TO STRONG CONVECTION IS 
ASSOCIATED WITH THE WAVE AND TROPICAL CYCLONE FORMATION IS NOT 
EXPECTED WITHIN THE NEXT 48 HOURS.  

...ITCZ...

ITCZ AXIS ALONG 10N84W 14N98W 10N140W. SCATTERED MODERATE 
ISOLATED STRONG CONVECTION IS LOCATED WITHIN 60 NM EITHER SIDE 
OF A 6N78W 12N92W LINE...WITHIN 60 NM EITHER SIDE OF A 11N122W 
11N127W LINE...AND FROM 9N TO 18N BETWEEN 96W AND 112W. 

...DISCUSSION...

N OF 15N W OF 115W...
A SMALL TIGHTLY WOUND MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS 
CENTERED NEAR 32N120W...MOVING SLOWLY N. A TROUGH AXIS EXTENDS S 
FROM THE CIRCULATION TO 25N122W. AT THE SURFACE A WEAK 1011 MB 
LOW IS LOCATED NEAR 32N122W WITH ISOLATED MODERATE CONVECTION 
LOCATED N OF 31N E OF 122W. WATER VAPOR IMAGERY SHOWS A LARGE 
AREA OF SUBSIDENCE N OF 15N W OF 120W WITH BROAD ANTICYCLONIC 
FLOW ALOFT COVERING THIS AREA WITH THE RIDGE AXIS ALONG 23N.

REMAINDER OF THE DISCUSSION AREA...
A MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED OFF THE S 
COAST OF BAJA CALIFORNIA IN THE VICINITY OF 21N113W...MOVING W 
ABOUT 10 KT. THE FLOW ALOFT IS MOSTLY E TO NE OVER THE DEEP 
TROPICS S OF 18N WITH THE STRONGEST WINDS S OF 15N BETWEEN 95W 
AND 110W. A STATIONARY 1010 MB LOW IS LOCATED NEAR 18N133W WITH 
A TROUGH EXTENDING SW FROM THE LOW TO 15N138W.

$$
CAB