000
AXPZ20 KNHC 271541
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN MAY 27 2007

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...SPECIAL FEATURES...
TROPICAL DEPRESSION ONE-E AT 12.9N 111.2W AT 1500 UTC WITH PRES 
OF 1006 MB MOVING W AT 3 KT.  STRONG CONVECTION ASSOCIATED WITH 
T. D. ONE-E FROM 10N-13N BETWEEN 110W AND 114W.  INCREASED UPPER 
LEVEL DIVERGENCE ALOFT PROVIDES FAVORABLE CONDITIONS FOR FURTHER 
DEVELOPMENT OVER NEXT 48 HRS AS SYSTEM DRIFT W.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE 14N90W 9N100W 11N112W 7N123W 
7N140W.  SCATTERED MODERATE TO STRONG WITHIN 90 NM OF AXIS E OF 
98W.  SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM OF AXIS 
FROM 122W AND 126W.  

...DISCUSSION...
MID TO UPPER LEVEL TROUGH LOCATED OVER THE FAR NW PORTION OF THE 
AREA FROM 32N131W TO 26N140W. OTHERWISE A BROAD RIDGE DOMINATES 
MUCH OF THE AREA E OF THE TROUGH TO 110W WITH  AN ANTICYCLONIC 
CIRCULATION CENTERED NEAR 15N1278W. MODERATE TO STRONG 
SUBSIDENCE AND DRY AIR AT THE MID AND UPPER LEVELS OF THE 
ATMOSPHERE N OF 17N W OF 105W. MID TO UPPER LEVEL TROUGH EXTENDS 
FROM SOUTHERN NEW MEXICO ACROSS NORTHERN MEXICO TO SOUTHERN GULF 
OF CALIFORNIA. AN EMBEDDED SHORTWAVE TROUGH OVER NORTHERN MEXICO
FROM 30N100W TO 26N103W. SCATTERED TSTMS E OF THE TROUGH ARE 
WEAKENING. FURTHER S AN UPPER LEVEL ANTICYCLONIC CIRCULATION IS 
CENTERED NEAR 11N99W WITH RIDGE FROM THE CIRCULATION EWD TO 
NICARAGUA.

SURFACE RIDGE WITH AXIS FROM 32N140W TO 20N117W. A LARGE AREA OF
STRATOCUMULUS CLOUDS COVERS THE AREA N OF 15N W OF 115W.

$$
WALLY BARNES