000
AXPZ20 KNHC 110300
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN JUN 11 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.
 
...TROPICAL WAVES...
TROPICAL WAVE N OF 3N ALONG 87W/88W IS MOVING W AT 10 KT. 
SCATTERED MODERATE CONVECTION WAS INDICATED ALONG THE NORTHERN 
END OF THE WAVE WITHIN 120 NM OF THE COASTS OF EL SALVADOR AND 
GUATEMALA.
 
TROPICAL WAVE N OF 3N ALONG 100W HAS BEEN MOVING W AT 15 KT. 
SCATTERED MODERATE TO STRONG CONVECTION WAS NOTED ALONG THE WAVE 
AXIS AND ELSEWHERE WITHIN 120 NM OF THE ITCZ BETWEEN 98W AND 
109W. 

TROPICAL WAVE RE-LOCATED ALONG 125W FROM 5N TO 14N IS MOVING W 
AT 10-15 KT. A HINT OF CYCLONIC TURNING WAS NOTED IN THE MID 
LEVELS. SCATTERED MODERATE ISOLATED STRONG CONVECTION WAS NOTED 
WITHIN 120 NM EITHER SIDE OF THE WAVE AXIS.
 
..ITCZ...
THE INTERTROPICAL CONVERGENCE ZONE AXIS ALONG...11N86W 15N100W 
9N105W 10N125W 6N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
90-120 NM EITHER SIDE OF THE AXIS BETWEEN 98W AND 109W...AND 
WITHIN 120 NM S OF THE AXIS BETWEEN 122W AND 127W. 

...DISCUSSION...

W OF 110W...
SHARP UPPER LEVEL TROUGH AXIS EXTENDS FROM 30N123W SWWD THROUGH 
23N130W TO 15N140W AND WAS ACCOMPANIED BY STRONG UPPER LEVEL 
SUBSIDENCE WITHIN 90-120 NM EITHER SIDE OF THE AXIS AND ALSO N 
OF 20N E OF THE TROUGH AXIS TO 114W INCLUDING BAJA CALIFORNIA 
AND NW MEXICO. ANOTHER UPPER LEVEL TROUGH WAS CLOSE ON THE HEELS 
OF THE FIRST TROUGH AND EXTENDED FROM 30N128W SWWD TO 25N136W 
AND WAS ACCOMPANIED BY A 90 NM WIDE BAND OF MID LEVEL MOISTURE.
LARGE MID TO UPPER LEVEL ANTICYCLONE WAS CENTERED NEAR 22N108W. 
A BROAD AREA OF SOUTHWESTERLY FLOW ALOFT WAS OBSERVED BETWEEN 
THE FIRST TROUGH NOTED ABOVE AND THIS ANTICYCLONE. AT THE 
SURFACE...A WEAKENING COLD FRONT WAS ENTERING THE FAR NW PORTION 
OF THE DISCUSSION AREA...OTHERWISE RIDGE OF HIGH PRESSURE 
PREVAILED N OF 12N W OF 110W.  

E OF 110W...
ANTICYCLONE NOTED ABOVE NEAR 12N108W DOMINATED THE FLOW OVER THE 
AREA W OF 95W WITH NORTHEASTERLY FLOW PREVAILING OVER THE AREA. 
THIS FLOW EXTENDED EWD TO THE COAST OF SOUTH AMERICA AND WAS 
ADVECTING MID TO UPPER LEVEL MOISTURE WWD ACROSS THE DEEP 
TROPICS.   

$$
COBB