000
AXPZ20 KNHC 261506
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC FRI OCT 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 1500 UTC.

...ITCZ....
AXIS ALONG 7N78W 13N105W 10N125W 10N140W. SCATTERED MODERATE 
CONVECTION WITHIN 45 NM S OF AXIS FROM 117W TO 120W.

...DISCUSSION...
UPPER TROUGH FROM 32N131W TO 15N140W. HIGH LEVEL MOISTURE IS 
WITHIN 240 NM E OF THE TROUGH AXIS WITH STRONG SUBSIDENCE AND 
DRY STABLE AIR NW OF THE TROUGH AXIS. DOWNSTREAM RIDGE EXTENDS 
FROM THE SW U.S. ACROSS THE BAJA PENINSULA TO 12N113W. DEEP 
LAYER TROUGH E OF THE RIDGE EXTENDS FROM CYCLONIC CIRCULATION 
OVER THE CENTRAL U.S. ACROSS THE WESTERN GULF OF MEXICO TO 
MEXICO NEAR 20N171W TO 14N105W. THE ONLY MOISTURE NOTED IS FROM 
10N-17N BETWEEN 95W-105W OTHERWISE MUCH OF THE DISCUSSION AREA 
IS UNDER MODERATE TO STRONG SUBSIDENCE WITH DRY STABLE AIR...AND 
IS KEEPING ITCZ CONVECTION TO A MINIMUM.

THE REMNANT LOW OF T.S. KIKO...1009 MB...IS LOCATED NEAR 19N122W
WITH SCATTERED SHOWERS WITHIN 180 NM NE QUADRANT. ANOTHER 1009 MB
LOW PRES IS CENTERED NEAR 16N111W...ONLY ISOLATED SHOWERS 
ASSOCIATED WITH THIS LOW. SFC RIDGE WITHE AXIS FROM 32N13W  TO 
26N120W. THE RIDGE IS MAINTAINING STRONG NE TRADES AND LARGE 
SWELLS N OF AROUND 25N W OF 125W. HIGH PRES IN THE GULF OF 
MEXICO KEEPING STRONG WINDS ACROSS THE GULF OF TEHUANTEPEC...THE 
HIGH IS EXPECTED TO STRENGTHEN WITHIN THE NEXT 24-48 HOURS.

$$
DGS