000
AXPZ20 KNHC 140916
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE NOV 14 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

SPECIAL FEATURES...

TROPICAL DEPRESSION TWENTY-ONE E NEAR 13.0N 104.6W AT 0900 UTC 
NOV 14 MOVING WNW AT 5 KT. MINIMUM CENTRAL PRESSURE 1006 MB. 
MAXIMUM SUSTAINED WINDS 30 KT WITH GUSTS TO 40 KT. THE 
DEPRESSION IS LOCATED ABOUT 370 NM S OF MANZANILLO MEXICO. THE 
DEPRESSION IS IN AN AREA AWAY FROM SHEAR AND HAS MODERATE UPPER 
LEVEL OUTFLOW. CONVECTIVE BANDING IS LOCATED IN THE WEST AND 
SOUTH AND SOUTHEAST QUADRANTS.  WITHIN THIS AREA SCATTERED 
MODERATE TO STRONG CONVECTION IS WITHIN 100 NM OF THE CENTER.  
REFER TO THE ADVISORY UNDER AWIPS HEADER MIATCMEP5 OR WMO HEADER 
WTPZ25 KNHC FOR FURTHER INFORMATION.

...ITCZ...

ITCZ AXIS ALONG...5N77W 10N110W 8N120W 8N140W.
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN THE 
AREA FROM 2N TO 7N E OF 80W.

...DISCUSSION...

UPPER LEVELS...
MIDDLE AND UPPER TROUGH IS ACROSS THE AREA WITH AN AXIS ALONG 
LINE 23N106W TO 9N140W.  DRY AND CLOUD FREE AIR IS FOUND IN THE 
MIDDLE AND UPPER LEVELS NORTH OF THE TROUGH TO 30N.  BROKEN TO 
OVERCAST STRATOCUMULUS ARE FOUND IN THE LOWER LEVEL NORTH OF THE 
TROUGH AXIS TO 25N WITH SCATTERED STRATOCUMULUS NORTH OF 25N. 
MIDDLE AND UPPER RIDGE IS NORTH OF THE TROUGH NORTH OF A LINE 
THROUGH 27N109W TO 17N140W.  SOUTHEAST OF THE TROUGH AXIS 
ANOTHER RIDGE DOMINATES THE MIDDLE AND UPPER FLOW.  THIS AREA IS 
MOIST IN THE MIDDLE AND UPPER LEVELS WITH AREAS OF MULTI LEVEL 
CLOUDS AND EMBEDDED AREAS OF CONVECTION.  AN EXCEPTION IS A DRY 
AND CLOUD FREE AREA NORTH OF 10N EAST OF 98W.

SURFACE...
WEAK RIDGE IS NORTH OF 12N WEST OF 115W.  ELSEWHERE BROAD TROUGH 
IS OBSERVED WITH THE EXCEPTION OF THE TROPICAL CYCLONE.

GAP WINDS...ASSOCIATED WITH A STRONG GULF OF MEXICO COLD FRONT A 
STRONG WIND EVENT IS SETTING UP FOR THU MORNING IN GULF OF 
TEHUANTEPEC.

$$
LL