000
AXPZ20 KNHC 020349
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT DEC 02 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 
0300 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N77W 6N100W 6N120W 7N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED WITHIN 
45 NM EITHER SIDE OF A 7N133W 9N139W LINE.

...DISCUSSION...

N OF 15N...
A MIDDLE/UPPER LEVEL TROUGH JUST OFF THE W COAST OF BAJA 
CALIFORNIA HAS ITS AXIS ALONG 116W N OF 22N. CYCLONIC FLOW 
COVERS THE AREA N OF 20N E OF 122W INTO N MEXICO. FURTHER 
UPSTREAM...BROAD RIDGING ALOFT COVERS THE AREA N OF 15N W OF 
ABOUT 125W. A STRONG WESTERLY JET IS MARKED BY A CIRRUS BAND 
EXTENDING THROUGH 22N140W TO 21N130W TO NEAR 20N125W. SATELLITE 
DERIVED WINDS ARE ABOUT 70 TO 80 KNOTS ALONG THE JET AXIS. THE 
JET WEAKENS FURTHER EAST AS IT CONTINUES THROUGH 20N118W TO 
BEYOND 24N108W. AT THE SURFACE...NW TO N WINDS AT AN ESTIMATED 
20 KNOTS OR SO ARE LOCATED OVER THE SEA OF CORTEZ.

S OF 15N...
BROAD RIDGING PATTERN ALOFT COVERS THE SW PART OF THE DISCUSSION 
AREA W OF ABOUT 120W. A WELL-DEFINED ANTICYCLONIC CIRCULATION 
ALOFT IS ANCHORED OVER THE NW CARIBBEAN WITH SE TO S FLOW 
EXTENDING FROM CENTRAL AMERICA AS FAR WEST AS 105W. STRONG 
SUBSIDENCE COVERS THIS AREA. STORM FORCE WINDS ARE CURRENTLY 
LOCATED OVER THE GULF OF TEHUANTEPEC. CONDITIONS WILL SLOWLY 
IMPROVE AND BY 48 HOURS WINDS WILL BE JUST BELOW GALE FORCE.

$$
CAB