000
AXPZ20 KNHC 221540
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC THU JUN 22 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1500 UTC.

...TROPICAL WAVES...
TROPICAL WAVE ALONG 91W/92W FROM 5N TO 13N MOVING W 10 KT. THIS 
WEAK TROPICAL WAVE IS ENHANCING CONVECTION ALONG THE ITCZ AXIS 
BETWEEN 89W AND 94W.

TROPICAL WAVE ALONG 113W FROM 4N TO 13N MOVING W 10-15 KT. THE 
CONVECTIVE ACTIVITY ASSOCIATED WITH THE WAVE HAS DECREASED 
DURING THE LAST 6-12 HOURS. ONLY WIDELY SCATTERED SHOWERS/TSTMS 
ARE SEEN WITHIN ABOUT 180 NM OF THE WAVE AXIS.

..ITCZ...
AXIS IS CENTERED ALONG 9N83W 9N92W 9N110W 12N118W 8N130W 
6N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 75 NM OF THE 
AXIS FROM 98W-101W. SCATTERED MODERATE WITHIN 75 NM OF THE AXIS 
FROM 89W-94W. WIDELY SCATTERED MODERATE WITHIN 75 NM OF THE AXIS 
FROM 116W-120W AND 128W-132W.

...DISCUSSION...
RAPIDLY DISSIPATING MID/UPPER LEVEL LOW IS LOCATED NEAR 30N140W. 
THE DISSIPATING LOW IS MOVING NORTH-NORTHWESTWARD.  DRY AIR 
AND SUBSIDENCE COVERS THE ENTIRE AREA W OF 126W. 

LARGE MID/UPPER LEVEL HIGH IS CENTERED NEAR 20N120W. RIDGE 
EXTENDS NORTHWARD ALONG 26N122W TO 32N123W. THE RIDGE COVERS
THE AREA N OF THE ITCZ BETWEEN 110W AND 130W. DRY AIR COVERS 
THE AREA N OF 18N E OF 126W TO THE COAST OF MEXICO.

ANOTHER LARGE MID/UPPER LEVEL HIGH IS CENTERED OVER THE SW 
CARIBBEAN SEA NEAR 12N82W. RIDGE EXTENDS WESTWARD INTO THE 
EASTERN PACIFIC TO 11N100W. A VERY WEAK TROUGH THAT DIVIDES 
THE FLOW BETWEEN THE TWO RIDGES LIES ALONG 17N108W 10N106W 
TO 6N104W. 

AT THE SURFACE...A BROAD LOW IS SEEN NEAR 14N121W AND IT 
CONTINUES TO MOVE SLOWLY WNW. THIS IS THE SAME LOW THAT HAS BEEN 
TRACKED FOR ABOUT A WEEK. THE CIRCULATION AROUND THE EASTERN 
SIDE OF THE LOW HAS PULLED THE ITCZ MUCH FARTHER NORTHWARD NEAR 
120W. THE LOW IS MOVING INTO COOLER WATERS AND A MORE STABLE 
ENVIRONMENT AND IS EXPECTED TO SLOWLY DISSIPATE OVER THE NEXT 
DAY OR TWO.

$$
BROWN