000
AXPZ20 KNHC 242121
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN SEP 24 2006

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 
2045 UTC.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE...8N78W  5N90W  11N118W 10N132W 
9N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM OF AXIS 
FROM 98W TO 104W AND E OF 90W.  SCATTERED MODERATE WITHIN 90 NM 
OF AXIS W OF 130W. 

TROPICAL LOW...
LOW PRES 1007 MB AT 16N108W DRIFTING W DISSIPATING.

...DISCUSSION...
UPER LEVELS...
CYCLONIC CIRCULATION 32N126W WITHR TROUGH TO 20N140W. DRY AIR IS 
WITHIN 120 NM OF AXIS. RIDGE EXTENDS FROM 9N140W TO 15N126W AND
 26N99W.  TROPICAL MOISTURE IS UNDER RIDGE WITH LITTLE DEEP 
CONVECTION.
 
AT THE SURFACE...  ANTICYCLONE CENTERED WELL N OF AREA EXTENDS 
TO 15N120W PRODUCING MODERATE TRADES WHICH SHOULD WEAKEN AS LOW 
PRES W DRIFT EASES GRADIENT. MODERATE N SWELL MIGHT LINGER N OF 
25N AFTER TRADES DIMINISH.

CROSS EQUATORIAL SW WIND AND LARGE SWELLS AFFECTING WATERS S OF 
10N W OF 100W SPREADING E TO 90W WITHIN 48 HRS.  

STRONG COLD FRONT CROSSING GULF OF MEXICO TODAY LIKELY PRODUCE 
VERY STRONG NORTHERLY GAP WIND ACROSS GULF OF TEHUANTEPEC WITHIN 
36-48 HRS. 

$$
WALLY BARNES