000
AXPZ20 KNHC 112132
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS 7N78W 10N87W 8N102W 10N111W  
10N123W 7N130W 6N140W. SCATTERED MODERATE ISOLATED STRONG CONVECTION 
WITHIN 120 NM OF AXIS BETWEEN 100W AND 122W. SCATTERED MODERATE 
CONVECTION WITHIN 90 NM OF 6N134W.

...DISCUSSION...
LONG WAVE MID LEVEL TROUGH N OF THE AREA EXTENDS SSW TO 25N140W. AN 
UPPER LEVEL TROUGH EXTENDS FROM 26N118W TO 12N126W. EXTENSIVE HIGH 
CLOUDS FROM CONVECTION WITHIN THE ITCZ IS SURGING NORTH ABOUT 300 NM 
EAST OF THE TROUGH AXIS...SPREADING INTO SOUTHERN BAJA CALIFORNIA.

REMAINDER OF THE AREA IS COVERED BY WEAK ANTICYCLONIC FLOW ALOFT. 
ITCZ CONVECTIVE CLOUDINESS EXTENDS TO 15N FROM 100W WEST TO THE 
ABOVE MENTIONED UPPER TROUGH.

A WEAK SURFACE RIDGE EXTENDS SE FROM 32N135W TO 19N114W. A SFC TROUGH
IS ANALYZED WITHIN THE ITCZ NEAR 118W. LITTLE CHANGE TO THE CURRENT 
SYNOPTIC PATTERN EXPECTED NEXT 2-3 DAYS.

$$
MUNDELL