000
AXPZ20 KNHC 020404
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SUN DEC 2 2007

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN
FROM THE EQUATOR TO 32N...EAST OF 140W. 

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.
 
...ITCZ...

ITCZ AXIS ALONG 5N77W 7N95W 9N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...

A LARGE MIDDLE/UPPER LEVEL TROUGH ALONG 114W EXTENDS SOUTHWARD TO 
25N. WATER VAPOR IMAGERY INDICATES CYCLONIC FLOW N OF 22N E OF 128W 
INTO MEXICO. AN ASSOCIATED SURFACE TROUGH EXTENDS FROM THE NORTHERN 
GULF OF CALIFORNIA TO 23N109W. SUBTROPICAL JET WITH 70-80 KT WINDS 
IS LOCATED FROM 18N116W TO 30N106W. A WESTERLY JET ENTERING THE AREA 
NEAR 10N140W IS ENERGIZING A DEVELOPING LOW PRESSURE SYSTEM CENTERED 
NEAR 18N133W. 

OVER THE NEXT 12-24 HOURS WINDS IN THE NW PART OF THE FORECAST AREA 
N OF 26N W OF 135W WILL INCREASE TO GALE FORCE...AROUND 40 KT IN THE 
EXTREME NW PART. SEAS WILL BUILD TO OVER 20 FT...PEAKING AT 25-28 FT 
IN ABOUT 36 HOURS. 

WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE E OF 105W WITH 
LITTLE OR NO SIGNIFICANT CONVECTION ASSOCIATED WITH THE ITCZ.

$$
MUNDELL