000
AXPZ20 KNHC 210327
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC THU DEC 21 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 
0245 UTC.

...ITCZ...5N77W 6N85W 7N115W 8N140W.   
SCATTERED MODERATE 90 NM WIDE 116W TO 125W.

AXIS ALONG 

...DISCUSSION...
UPPER LEVELS... AN UPPER TROUGH EXTENDS FROM  32117W TO 17N140W. 
AN UPPER RIDGE EXTENDS ALONG 10N W OF 93W. STRONG SW TO W WINDS 
ARE BETWEEN THE TWO FEATURES BRINGING EXTENSIVE TROPICAL MOISTU 
RE TO N AMERICA. A TROUGH EXTENDS FROM 12N85W TO 4N90W.

LOW LEVELS...A RIDGE ALONG 30N AND IS DRIVING NE WINDS UP TO 25 
KT AND SEAS 10 TO 12 FT BETWEEN 10 AND 20N W OF 110W.   ONLY 
WEAK GAP FLOW EVENTS ARE OCCURRING ALONG THE GULF OF TEHUANTEPEC 
AND GULF OF PAPAGAYO...PRODUCING LESS THAN 8 FT SEAS...AND THESE 
ARE EXPECTED TO CEASE WITHIN THE NEXT DAY OR SO AS THE MODERATE 
PRESSURE GRADIENT WEAKENS IN THE AREA.  THE NEXT EVENT OF 
SIGNIFICANCE WILL BE A COLD FRONT PUSHING INTO THE NW CORNER OF 
THE REGION WITH RAPIDLY BUILDING NW SWELL ON THU AND FRI.  IN 
THE TROPICS...THE SURFACE TROUGH NEAR 12N115W HAS PERSISTED WITH 
MODERATE CONVECTION

$$
TORREA