000
AXPZ20 KNHC 310924
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC WED MAY 31 2006

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.

...TROPICAL WAVES...

A TROPICAL WAVE ALONG 103W FROM 2N TO 14N MOVE W 10 KT. AREA OF 
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS OBSERVED 
WITHIN THE AREA FROM 5N TO 8N FROM 96W TO 109W.  THE CONVECTION 
IS SOMEWHAT ORGANIZED AROUND THE WAVE BUT SHOWS LITTLE SIGNS OF 
CONCENTRATION OF CONVECTION.

..ITCZ...

ITCZ AXIS IS CENTERED ALONG...5N77W 7N105W 9N115W 7N140W.    
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 75 
NM OF THE POINT 5.5N88.5W AND WITHIN 120 NM OF THE POINT 
7.1N99W AND WITHIN 60 NM OF THE POINTS 5.9N103.7W AND 7.5N107W.

...DISCUSSION...

A RATHER FLAT HEIGHT PATTERN REMAINS OVER THE AREA.  

BROAD UPPER TROUGH IS NORTH OF 25N.  SOME BROKEN HIGH CLOUDS ARE 
PRESENT OVER THE NORTHWEST PART OF THE AREA.

SOUTH OF 10N BROAD TROUGH IS OBSERVED.  THIS SYSTEM IS MOSTLY 
OVER THE ITCZ.

BETWEEN THE TWO TROUGH IS A BROAD RIDGE.  UPPER BROKEN TO 
OVERCAST CLOUDS ARE PRESENT IN THIS AREA EAST OF 120W.  THE 
CLOUDS ARE THE RESULT OF MOISTURE FROM CONVECTION IN THE ITCZ.

AT THE SURFACE HIGH PRESSURE IS CENTERED NEAR 30N132W WITH A 
CENTRAL PRESSURE OF 1025 MB.  THIS SYSTEM COVERS THE AREA NORTH 
OF THE ITCZ WEST OF 110W.  REMAINDER OF THE LOW LEVELS ARE 
COVERED BY WEAK TROUGH.  THE REMNANT OF ALETTA IS OBSERVED NEAR 
16N104W WITH A CENTRAL PRESSURE OF 1009 MB. THE SYSTEM IS MOVING 
WEST ABOUT 5 KT AND IS EXPECTED TO BECOME DIFFUSE WITHIN THE 
NEXT 36 HOURS.  BROKEN TO OVERCAST STRATOCUMULUS IS OBSERVED 
OVER THE AREA W OF 120W NORTH OF 20N AND WEST OF 110W FROM THE 
ITCZ TO 20N. 

$$
LL