000
AXPZ20 KNHC 010917
TWDEP 

TROPICAL WEATHER DISCUSSION 
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU MAY 01 2008

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG THE LINE FROM 05N77W TO 03N140W. 
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60 
NM OF THE POINT 11N122W. SCATTERED MODERATE CONVECTION IS WITHIN 
THE AREA WITHIN 120 NM OF THE POINT 4.5N125W.

...DISCUSSION...

UPPER LEVELS...
DEEP LAYER TROUGH IS NORTH OF A LINE FROM 28N105W TO 21N135W TO 
24N140W. THE AREA IS DRY AND CLOUD FREE IN THE MIDDLE AND UPPER 
LEVELS. THE TROUGH IS FORECAST TO REMAIN IN PLACE THROUGH 48 
HOURS. 

A MAINLY UPPER TROUGH IS OVER THE SOUTHWEST PART OF THE AREA 
ALONG LINE FROM THE ITCZ NEAR 125W TO 17N140W. THE SOUTHERLY 
FLOW EAST OF THE TROUGH IS DIFLUENT ALOFT WITH SOME ENHANCED 
CONVECTION IN THE ITCZ FROM 120W TO 131W AND NORTH OF THIS AREA 
TO 12N. 

THE REMAINDER OF THE MIDDLE AND UPPER LEVELS IS COVERED BY BROAD 
ANTICYCLONIC FLOW.

SURFACE...
MODERATE RIDGE IS NORTH OF 10N WEST OF 107W. BROAD TROUGH IS 
ANALYZED ELSEWHERE.

$$
LL