000
AXPZ20 KNHC 220902
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE MAY 22 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.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS ALONG 7N77W 10N105W 7N120W 
7N140W.  SCATTERED MODERATE ISOLATED STRONG FROM 6N TO 12N 
BETWEEN 93W AN 98W AND WITHIN 180 NM EITHER SIDE OF AXIS FROM 
106W TO 130W.

...DISCUSSION...
UPPER LEVEL TROUGH IS MOVING INTO THE FAR NW PORTION OF THE 
DISCUSSION AREA...HOWEVER NO SIGNIFICANT WEATHER ASSOCIATED WITH 
THIS FEATURE DO TO LACK OF MOISTURE. UPPER LEVEL ANTICYCLONIC 
CIRCULATION IS LOCATED NEAR 12N126W. UPPER LEVEL DIFFLUENCE WITH 
THE ANTICYCLONE IS ENHANCING ITCZ CONVECTION BETWEEN 105W AND 
130W. MID/UPPER LEVEL TROUGH IS MOVING ACROSS NORTHERN MEXICO 
FROM THE TEXAS BIG BEND TO S TIP OF THE BAJA PENINSULA TO 
20N120W. ANOTHER UPPER LEVEL ANTICYCLONIC CIRCULATION IS OVER 
GUATEMALA. FLOW AROUND THE ANTICYCLONE IS ADVECTING ITCZ 
MOISTURE TOWARD SOUTHERN MEXICO.

HIGH PRES RIDGE WITH AXIS FROM 32N138W SE TO 20N122W. A LARGE 
AREA OF BROKEN TO OVERCAST STRATUS AND STRATOCUMULUS CLOUDS ARE 
WITHIN THE RIDGE N OF 15N W OF 112W. SURFACE TROUGH IS ANALYZED 
IN THE GULF OF CALIFORNIA ALONG THE COAST OF THE BAJA PENINSULA.

$$
DGS