000
AXPZ20 KNHC 051559
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC TUE JUN 05 2007

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1545 UTC.

ITCZ...

AXIS 10N86W 12N95W 12N100W 10N110W 10N119W 9N130W 6N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS WITHIN 120 NM S 
OF AXIS BETWEEN 112W AND 100W...AND ALSO FROM 12N TO 16N BETWEEN 
110W AND 99W...AND WITHIN 120 NM S OF AXIS BETWEEN 123W AND 
130W. 

DISCUSSION...
 
UPPER LEVELS...
A TROUGH EXTENDS FROM S TEXAS TO 20N102W. AN ANTICYCLONE IS 
CENTERED NEAR 27N130W AND ANOTHER NEAR 16N120W RIDGING SW TO A 
CREST AT 7N143W. AN UPPER CYCLONE IS 22N143W IS ADVECTING 
MOISTURE OVER THE WATERS FROM 18N TO 25N W OF 136W. OTHERWISE 
DRY UPPER AIR IS NOTED N OF 20N W OF 100W. 

AN ANTICYCLONE OVER THE CARIBBEAN AT 19N85W RIDGED SW TO 15N102W.
THE ASSOCIATED UPPER DIFFLUENCE IS ENHANCING AN AREA OF SHOWERS 
AND TSTMS FROM 9N TO 19N BETWEEN 86W AND 110W.

LOW LEVELS...
A DISSIPATING COLD FRONT ENTERS THE AREA NEAR 32N123W THEN 
CONTINUES SW TO 24N140W ACCOMPANIED BY A 120 NM WIDE BAND OF LOW 
CLOUDS. HIGH PRES IS BRIDGING THE FRONTAL REMNANTS ALONG 30N140W 
TO NEAR 15N115W. 

A 1011 MB LOW CENTER...REMNANTS OF ALVIN...IS NEAR 11N126W 
MOVING W 10 KT. THE PRES GRADIENT BETWEEN THE RIDGE TO THE N AND 
THIS LOW IS SUPPORTING EASTERLY TRADES WINDS 20 TO 25 KT FROM 
10N TO 18N WEST OF 120W.

A TROPICAL WAVE ALONG 83W IS MOVING W 10 KT. SCATTERED SHOWERS 
AND ISOLATED TSTMS ARE RELATED TO THE WAVE ON THE PACIFIC SIDE.

$$
FORECASTER ROWLAND