000
AXPZ20 KNHC 110320
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI MAY 11 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

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

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS 8N78W 10N90W 10N113W 4N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 6N TO 11N BETWEEN 
104W AND 122W.

...DISCUSSION...
MID LEVEL TROUGH EXTENDS FROM 32N136W TO 7N126W. E OF TROUGH AXIS 
TROPICAL MOISTURE IS SURGING N INTO MEXICO. UPPER LEVEL DEFORMATION 
ZONE OVER SFC TROUGH ALONG 117W IS PRODUCING WIDELY SCATTERED ITCZ 
TSTMS BETWEEN 110W AND 122W. SFC WINDS IN THIS LOCATION REMAIN VERY 
WEAK...AND NO FURTHER DEVELOPMENT IS LIKELY TO OCCUR.

AN UPPER LEVEL ANTICYCLONE IS CENTERED NEAR 10N95W WITH AN UPPER 
RIDGE EXTENDING W TO 110W. SOME CONVECTIVE DEBRIS FROM THE ITCZ IS 
BEING ADVECTED POLEWARD INTO CENTRAL AMERICA.

1037 MB SFC HIGH REMAINS WELL NW OF AREA WITH A WEAK RIDGE EXTENDING 
SE TO 15N110W. TRADE WINDS REMAIN BELOW 15-20 KT ACROSS THE ENTIRE 
REGION...BUT ARE EXPECTED TO REBUILD SOMEWHAT IN ABOUT 48 HOURS.

$$
MUNDELL