000
AXPZ20 KNHC 010347
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI DEC 01 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 
0230 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N83W 6N100W 6N110W 6N122W 7N130W 
6N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 60 NM EITHER 
SIDE OF AXIS BETWEEN 126.5W AND 131W AND FROM 5N TO 8N BETWEEN 
134W AND 138W.
 

...DISCUSSION...
LONGWAVE TROUGH MOVING E ABOUT 20 KT DOMINATES THE CENTRAL 
PORTION OF THE AREA . A CYCLONIC CIRCULATION IS NEAR 25N121W 
WITH THE TROUGH EXTENDING TO 15N121W AND 12N122W. ANOTHER 
CYCLONIC CIRCULATION IS NEAR 4N103W WITH A TROUGH SE TO THE 
EQUATOR AND 86W. 
A RIDGE EXTENDS FROM THE W CARIBBEAN TO NEAR 18N98W. ANOTHER 
RIDGE EXTENDS FROM 20N130W TO 7N140W. EXTENSIVE TROPICAL 
MOISTURE IS NOTED E OF 110W WHILE DRY CONDITIONS ARE 
ELSEWHERE.
A MID TO UPPER LEVEL TROUGH IS PUSHING SOUTHEASTWARD OVER THE 
SOUTHWEST UNITED STATES. A JET STREAM BRANCH...ABOUT 150 NM 
WIDE... WITH MAXIMUM WINDS OF 80-105 KT EXTENDS FROM 27N117W 
NORTHEASTWARD ACROSS NORTHERN BAJA CALIFORNIA EAST TO ACROSS 
NORTHWEST MEXICO. AMPLE DEEP TROPICAL MOISTURE IS STREAMING 
EAST-NORTHEAST TOWARDS BAJA CALIFORNIA TO OVER MUCH OF NORTHERN 
MEXICO COVERING A GOOD MAJORITY OF THE AREA FROM 10N-17N BETWEEN 
115W-135W...AND ALSO FROM 16N-27N E OF 115W.

GAP WINDS...
GALE FORCE WINDS ARE EXPECTED TO BEGIN ACROSS THE GULF OF 
TEHUANTEPEC WITHIN 12 HRS AS STRONG HIGH PRESSURE BUILDS 
SOUTHWARD OVER S TEXAS INTO NE MEXICO BEHIND AN ARCTIC COLD 
FRONT THAT MOVES INTO THE W GULF OF MEXICO A STORM WARNING IS 
EXPECTED IN 18 HOURS..

$$
TORRES