000
AXPZ20 KNHC 010915
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE MAY 01 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...

INTERTROPICAL CONVERGENCE ZONE IS ALONG LINE...5N77W 8N110W 
7N140W.  SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN 60 NM 
OF THE POINTS 6.6N78.3W AND 2.8N79W AND 7.5N95.6W.  SCATTERED 
MODERATE TO STRONG CONVECTION IS WITHIN 90 NM OF THE POINT 
9.8N114.2W.

...DISCUSSION...

UPPER BROAD TROUGH IS NORTHWEST OF A LINE 32N115W 26N120W 
21N140W. WITHIN 300 NM NW OF THIS LINE THE AIR IS DRY AND CLOUD 
FREE IN THE MIDDLE AND UPPER LEVELS.  DEEP LAYER AND SHARP 
TROUGH IS NORTH OF 25N FROM 118W TO 128W. LITTLE WEATHER 
ACCOMPANIES EITHER OF THESE TROUGHS. A PLUME OF UPPER LEVEL 
MOISTURE WITH BROKEN TO SCATTERED UPPER CLOUDS IS WITHIN 700 NM 
SOUTHEAST OF THE UPPER TROUGH AXIS AND IS ADVECTING BROKEN HIGH 
CLOUDS OVER NORTHWESTERN MEXICO NORTH OF 23N.

REMAINDER OF THE UPPER LEVELS IS COVERED BY BROAD ANTICYCLONIC 
CIRCULATION.

WEAK RIDGE IS NORTH OF THE ITCZ WEST OF 110W.  ELSEWHERE BROAD 
TROUGH IS ANALYZED.

$$
LL