000
AXPZ20 KNHC 102150
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SAT JUN 10 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 
2130 UTC.
 
...TROPICAL WAVES...
TROPICAL WAVE N OF 3N ALONG 86W/87W IS MOVING W AT 12 KT. SOME 
CYCLONIC TURNING OF MID CLOUDS NOTED. SCATTERED MODERATE 
CONVECTION WAS INDICATED WITHIN 180-240 NM OF THE WAVE AXIS. 
STRONG NE WINDS ALOFT OVER WAVE PRECLUDE ANY DEVELOPMENT. 
 
TROPICAL WAVE N OF 3N ALONG 98W/99W HAS BEEN MOVING W AT 15 KT. 
SCATTERED MODERATE CONVECTION WAS NOTED ALONG THE WAVE AXIS AND 
ELSEWHERE WITHIN 120 NM OF THE ITCZ BETWEEN 96W AND 110W. 
STRONG NE WINDS ALOFT OVER WAVE PRECLUDE ANY DEVELOPMENT.

TROPICAL WAVE ALONG 120W FROM 5N TO 14N IS MOVING W AT 15 KT. NO 
SIGNIFICANT CONVECTION IS ASSOCIATED WITH THE TROPICAL WAVE. 
MODERATE E AND NE WINDS ALOFT OVER WAVE. 

..ITCZ...
THE INTERTROPICAL CONVERGENCE ZONE AXIS ALONG...12N88W 14N97W 
8N105W 10N125W 8N140W. SCATTERED MODERATE WITHIN 90-120 NM 
EITHER SIDE OF THE AXIS BETWEEN 96W AND 110W...AND WITHIN 120 NM 
EITHER SIDE OF THE AXIS BETWEEN 124W AND 129W. 

...DISCUSSION...

W OF 110W...
SHARP UPPER LEVEL TROUGH AXIS EXTENDS FROM 30N125W SWWD THROUGH 
24N130W TO 15N140W AND WAS ACCOMPANIED BY STRONG UPPER LEVEL 
SUBSIDENCE WITHIN 120-150 NM EITHER SIDE OF THE AXIS AND N
OF 20N TO 110W INCLUDING BAJA CALIFORNIA AND NW MEXICO. ANOTHER
UPPER LEVEL TROUGH WAS CLOSE ON THE HEELS OF THE FIRST TROUGH 
AND EXTENDED FROM 30N132W SWWD TO 26N140W AND WAS ACCOMPANIED BY 
A 90 NM WIDE BAND OF MID LEVEL MOISTURE. LARGE MID TO UPPER 
LEVEL ANTICYCLONE WAS CENTERED NEAR 22N110W. A BROAD AREA OF 
SOUTHWESTERLY FLOW ALOFT WAS OBSERVED BETWEEN THE FIRST TROUGH 
NOTED ABOVE AND THIS ANTICYCLONE. AT THE SURFACE...A WEAK 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 12N110W 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