000
AXPZ20 KNHC 140324
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU JUN 14 2007

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

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0315 UTC.

...TROPICAL WAVES..

A TROPICAL WAVE IS N OF 3N ALONG 86W AND HAS BEEN MOVING W ABOUT 
12 KT OVER THE PAST 24 HOURS. ONLY A SLIGHT ENHANCEMENT OF 
CONVECTION WAS NOTED ALONG THE ITCZ AT 7N AT THE MOMENT. HOWEVER 
TSTMS CONTINUE ALONG THE WAVE OVER W NICARAGUA AND HONDURAS.

A TROPICAL WAVE ALONG 102W HAS MOVED W ABOUT 12 KT THE PAST 24 
HOURS. CONVECTION PREVIOUSLY ENHANCED ALONG THE ITCZ AT 8N IS 
WEAKENING.

A TROPICAL WAVE ALONG 113W HAS MOVED W 10 KT THE PAST 24 HOURS. 
A CLUSTER OF TSTMS IS CURRENTLY ACCOMPANYING THE WAVE FROM 5N TO 
8N.

..ITCZ...

INTERTROPICAL CONVERGENCE ZONE...AXIS 6N78W 10N95W 8N108W 9N120W 
7N140W. SCATTERED MODERATE CONVECTION IS NOTED WITHIN 30 NM 
EITHER SIDE OF LINE 7N85W 7N90W. SCATTERED MODERATE ISOLATED 
STRONG CONVECTION IS OBSERVED FROM 7N TO 13N BETWEEN 94W AND 
113W AND WITHIN 30 NM OF 9N120W AND 8N140W.

...DISCUSSION...

AN UPPER LEVEL TROUGH IS LOSING IDENTITY ALONG 32N102W 24N114W 
WITH A SMALL UPPER CYCLONE CUTTING OFF NEAR 16N132W WITH A 
TROUGH EXTENDING S TO ANOTHER CYCLONE OVER THE EQUATOR AT 125W. 
AN UPPER LEVEL ANTICYCLONE CONTINUES TO DRIFT W AND IS CURRENTLY 
NEAR 29N141W WITH A RIDGE EXTENDING E TO NEAR 27N120W. A LOW 
LEVEL RIDGE EXTENDS ALONG 32N136W TO 25N115W. THESE UPPER 
SYSTEMS COMBINE TO ADVECT DRY UPPER AIR OVER MOST OF THE 
DISCUSSION AREA N OF 10N W OF 125W AND N OF 18N E OF 125W. 
ANOTHER UPPER ANTICYCLONE IS W OF THE DISCUSSION AREA NEAR 
10N145W WITH A RIDGE EXTENDING N TO A CREST AT 23N148W. PLENTY 
OF DEBRIS MOISTURE FROM ITCZ CONVECTION W OF AREA IS TRAPPED 
UNDER THE UPPER RIDGE WITH ONLY A TRACE SPILLING SE INTO THE 
DISCUSSION AREA S OF 7N W OF 136W WHERE UPPER DIFFLUENCE HAS 
ENHANCED CONVECTION ALONG THE ITCZ.

AN UPPER ANTICYCLONE IS OVER S TEXAS NEAR 26N97W HAS A RIDGE 
EXTENDING SW TO THE SOUTHERN TIP OF THE BAJA PENINSULA. THE 
REMNANTS OF A MOISTURE ARE STILL EVIDENT WITHIN 90 NM EITHER 
SIDE OF LINE 23N107W 28N100W TO 29N95W. 

AN UPPER TROUGH EXTENDS SW FROM AN UPPER CYCLONE AT 21N91W TO 
ANOTHER CYCLONE AT 15N108W. AN UPPER ANTICYCLONE IS NEAR 10N76W 
HAS A RIDGE EXTENDING W TO A CREST AT 13N97W WITH UPPER 
DIFFLUENCE ENHANCING THE ITCZ E OF 104W. THE RESULTANT DEBRIS 
MOISTURE IS ADVECTED NE OVER CENTRAL AMERICA.
    
$$
FORECASTER NELSON