000
AXPZ20 KNHC 021545
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1605 UTC SUN DEC 02 2007

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

BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
1515 UTC.
 
...ITCZ...

ITCZ AXIS ALONG 4N77W 8N85W 5N100W 7N115W 6N130W 9N140W. 
SCATTERED MODERATE ISOLATED STRONG CONVECTION IS LOCATED WITHIN 
A 45 NM RADIUS OF 6.5N115.5W.  

...DISCUSSION...

W OF 105W...
A MIDDLE/UPPER LEVEL CYCLONIC CIRCULATION...8 TO 10 DEGREES IN 
DIAMETER...IS CENTERED NEAR 21N130W...MOVING NE 10 TO 15 KT. A 
TROUGH AXIS EXTENDS SW FROM THE CIRCULATION TO NEAR 12N136W WITH 
CYCLONIC FLOW LOCATED 7 TO 8 DEGREES EITHER SIDE OF THE AXIS. A 
LARGE AREA OF SOUTHWESTERLY FLOW LIES E OF THE CIRCULATION 
CENTER AND TROUGH FROM ABOUT 10N TO 30N BETWEEN 105W AND 130W. 
INFRARED SATELLITE IMAGERY FROM GOES11 INDICATES LAYERED CLOUDS 
APPROACHING BAJA CALIFORNIA FROM THE SOUTHWEST AND ANOTHER AREA 
FROM ABOUT 13N TO 22N BETWEEN 124W AND 128W. WEST AND 
NORTHWESTERLY FLOW ALOFT COVERS THE DEEP TROPICS S OF 10N. AT 
THE SURFACE A GALE WITH SOUTH TO SOUTHWEST WINDS OF 30 TO 40 
KNOTS AND SEAS 16 TO 24 FEET IS LOCATED N OF 27N W OF 135W. 
CONDITIONS WILL MOVE EASTWARD AND WINDS ARE EXPECTED TO FALL 
BELOW GALE FORCE IN ABOUT 36 HOURS.

E OF 105W...
WATER VAPOR IMAGERY INDICATES STRONG SUBSIDENCE OVER THE E PART 
OF THE DISCUSSION AREA WITH SATELLITE CLOUD DRIFT WINDS ALOFT 
SHOWING MODERATE E TO SE FLOW.

$$
CAB