000
AXPZ20 KNHC 231530
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC WED MAY 23 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...

INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG THE LINE...7N77W 
9N95W 8N140W. SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION 
IS WITHIN 120 NM OF THE POINT 8.7N96.7W. SCATTERED MODERATE 
CONVECTION IS WITHIN 120 NM OF THE POINT 8.5N108W. SCATTERED 
MODERATE TO STRONG CONVECTION IS WITHIN THE AREA FROM 10N TO 13N 
FROM 110W TO 115W.

...DISCUSSION...

MOSTLY MIDDLE LEVEL RIDGE IS NORTH OF 23N W OF 130W.  ELSEWHERE 
NORTH OF A LINE 25N100W 18N120W 18N140W A MIDDLE AND UPPER 
TROUGH IS ANALYZED. BOTH AREAS ARE DRY AND CLOUD FREE IN THE 
MIDDLE AND UPPER LEVELS WITH OVERCAST STRATOCUMULUS IN THE LOWER 
LEVELS.

ELSEWHERE IN THE MIDDLE AND UPPER LEVELS WEAK ANTICYCLONIC FLOW 
PREVAILS.  MIDDLE AND UPPER LEVEL MOISTURE AND HIGH BROKEN 
CLOUDS FROM ACTIVE ITCZ CONVECTION FROM 105W TO 118W IS 
ADVECTING OVER SOUTHERN MEXICO.

WEAK SURFACE RIDGE IS NORTH OF THE ITCZ WEST OF 105W.  ELSEWHERE 
AT THE SURFACE BROAD TROUGH IS ANALYZED.

$$
LL