000
AXPZ20 KNHC 240925
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU MAY 24 2007

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG 13N90W 10N120W 
8N140W. SCATTERED MODERATE TO STRONG WITHIN 90NM OF THE COAST OF 
NICARAGUA AND COSTA RICA. SCATTERED MODERATE/ISOLATED FROM 
STRONG IS FROM 6N TO 12N BETWEEN 90W AND 105W AND WITHIN 120 NM 
S OF AXIS FROM 133W TO 138W.

...DISCUSSION...
MID/UPPER LEVEL TROUGH FROM 32N117W TO CYCLONIC CIRCULATION NEAR 
26N140W...WITH FAIRLY DRY/STABLE AIR NOTED IN WV IMAGERY N OF 
20N W OF MEXICO. SW FLOW AHEAD OF AN UPPER TROUGH IS 
ADVECTING A BAND OF ITCZ MOISTURE NE THROUGH THE REGION FROM 
5N-20N W OF 130W. MID TO UPPER RIDGING DOMINATES THE AREA SW 
OF MAINLAND MEXICO...WITH AN UPPER ANTICYCLONE CENTERED IN THE 
VICINITY OF 14N113W. THIS HAS RIDGING EXTENDING E THROUGH 
PORTIONS OF CENTRAL AMERICA AND THE SW CARIBBEAN ALONG 14N.

SFC RIDGE AXIS FROM 32N135W TO 10N 107W...WITH BROKEN TO 
OVERCAST STRATOCUMULUS CLOUDS N OF 15N BETWEEN 113W AND 130W. 
CONVECTION DESCRIBED ABOVE WITH THE ITCZ DOMINATES MUCH OF THE 
WEATHER ELSEWHERE.

$$
DGS