000
AXPZ20 KNHC 271515
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC MON NOV 27 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.

...ITCZ...

AXIS ALONG...2N77W 6N105W 8N125W 8N140W. SCATTERED MODERATE TO 
STRONG CONVECTION IS WITHIN 60 NM OF THE POINT 5.8N106.8W. 
SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN THE AREA FROM 
6.5N TO 9N FROM 114W TO 118.5W.

...DISCUSSION...

UPPER LEVELS...
STRONG LONGWAVE TROUGH IS NORTH OF LINE 32N101W 22N110W 19N120W 
19N128W TO 32N140W.  THE AREA NORTH OF THE LINE IS DRY AND CLOUD 
FREE IN THE MIDDLE AND UPPER LEVELS IMPLYING UPPER LEVEL 
SUBSIDENCE.  THE LOWER LEVELS ARE COVERED BY BROKEN TO OVERCAST 
STRATOCUMULUS CLOUDS.

A NARROW PLUME OF UPPER LEVEL MOISTURE WITH OVERCAST UPPER 
LEVEL CLOUDS IS 100 NM EITHER SIDE OF LINE FROM THE ITCZ NEAR 
115W TO 23N106W TO OVER SOUTH TEXAS.

BROKEN TO OVERCAST UPPER LEVEL CLOUDS ARE SOUTH OF THE TROUGH 
WEST OF 130W AND ARE ASSOCIATED WITH AN UPPER RIDGE.

THE AREA EAST OF THE ABOVE MENTION MOISTURE PLUME IS VERY DRY IN 
THE MIDDLE AND UPPER LEVELS AND ALSO IN THE LOWER LEVEL NORTH OF 
THE ITCZ.  SOUTH OF THE ITCZ OVERCAST STRATOCUMULUS CLOUDS ARE 
OBSERVED.

LOWER LEVELS...
MODERATE RIDGE IS NORTH OF 15N WEST OF 110W.  ELSEWHERE BROAD 
TROUGH IS ANALYZED.

GAP WINDS IN THE GULF OF TEHUANTEPEC ARE NEAR 20 KT AND 
DECREASING TO LESS THAN 20 KT WITHIN THE NEXT 24 HOURS.
  
$$
LL