000
AXPZ20 KNHC 270909
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 IS LOCATED NEAR 12.8N 111.2W WITH AN 
ESTIMATED PRES OF 1006 MB MOVING W AT 4 KT. STRONG CONVECTION 
ASSOCIATE THE THE TROPICAL DEPRESSION IS FROM 10N-14N BETWEEN 
109W AND 113W. UPPER LEVEL DIVERGENCE ALOFT CONTINUES PROVIDING 
FAVORABLE CONDITIONS FOR FURTHER DEVELOPMENT OVER THE NEXT 
SEVERAL DAYS AS THE SYSTEM MAKES A SLOW WESTWARD MOVEMENT.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS 13N87W 12N105W 7N120W 
6N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 6N TO 11N 
BETWEEN 93W AND 109W. SCATTERED MODERATE/ISOLATED STRONG 
CONVECTION WITHIN 60 NM EITHER SIDE OF AXIS FROM 119W AND 123W.

...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.

$$
DGS