000
AXPZ20 KNHC 232220
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI JUN 23 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2145 UTC.

...TROPICAL WAVES...

TROPICAL WAVE N OF 8N ALONG 86W HAS BEEN MOVING W AT 12 KT THE 
PAST 24 HOURS. ISOLATED MODERATE CONVECTION IS NOTED N OF THE 
ITCZ BETWEEN 83W AND 88W. 

TROPICAL WAVE ALONG 98W N OF 5N IS ESTIMATED TO BE MOVING W AT 
12 KT. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS ENHANCED 
ALONG THE ITCZ FROM 5N TO 12N.

AN ILL DEFINED TROPICAL WAVE IS ALONG 118W FROM 5N TO 15N MOVING 
W 10 KT WITH LITTLE ENHANCEMENT OF CONVECTION.

TROPICAL WAVE ALONG 126W FROM 5N TO 16N MOVING W 10 KT. A SWIRL 
OF LOW CLOUDS IS CENTERED IN THE VICINITY OF 16N126W BUT LACKS
CONVECTION.

..ITCZ...

AXIS IS CENTERED ALONG 9N80W 9N96W 8N100W 11N125W 7N140W. 
SCATTERED STRONG N OF 6N E OF 79W. SCATTERED MODERATE ISOLATED 
STRONG ELSEWHERE WITHIN 240 NM EITHER SIDE OF LINE 5N77W 18N112W 
AND WITHIN 120 NM EITHER SIDE OF LINE 12N126W 8N140W.

...DISCUSSION...
A SHORTWAVE TROUGH EXTENDS S ALONG THE W EDGE OF THE DISCUSSION 
AREA ALONG 32N140W 23N138W. AN UPPER ANTICYCLONE IS NEAR 
20N125W. A RIDGE AXIS EXTENDS SW OVER THE ITCZ NEAR 10N132W AND 
ENHANCES ITS CONVECTION. A RIDGE ALSO EXTENDS N TO BEYOND 
35N120W. RESULTANT ANTICYCLONIC FLOW COVERS THE AREA ROUGHLY 
FROM N OF 15N BETWEEN 118W AND 130W. 

AN UPPER TROUGH EXTENDS FROM 30N113W THROUGH A SMALL UPPER 
CYCLONE AT 21N113W TO 15N111W. 

AN UPPER ANTICYCLONE IS NEAR 15N95W AND APPEARS TO BE SHIFTING W 
WITH TIME. UPPER DIFFLUENCE IS ENHANCING CONVECTION ALONG THE 
PERIPHERY OF THE ANTICYCLONIC FLOW ROUGHLY ALONG LINE 21N86W 
12N92W 10N110W.

$$
NELSON