000
AXPZ20 KNHC 080910
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC TUE JAN 08 2008

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

BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.
 
...ITCZ...
INTERTROPICAL CONVERGENCE ZONE...9N84W 4N95W 8N125W 7N140W. NO 
SIGNIFICANT CONVECTION.

...DISCUSSION...
AN UPPER LEVEL TROUGH FROM THE SW U.S. TO 32N120W 20N128W TO 
15N140W. NO SIGNIFICANT WEATHER ASSOCIATED WITH THE TROUGH WITH 
MOSTLY DRY AIR AT THE MID AND UPPER LEVELS OF THE ATMOSPHERE NW 
OF A LINE FROM 20N115W TO 13N140W. AN UPPER LEVEL RIDGE IS 
BUILDING INTO THE DISCUSSION AREA W OF THE TROUGH. A WEAK RIDGE 
IS E OF THE TROUGH FROM 15N120W INTO CENTRAL MEXICO. AN ELONGATED
UPPER LEVEL CYCLONIC CIRCULATION IS CENTERED NEAR 3N102W. UPPER
LEVEL RIDGE AXIS EXTENDS FROM SOUTH AMERICA ACROSS PANAMA AND 
COSTA RICA NW TO THE YUCATAN PENINSULA.

A 1027 MB HIGH PRES IS CENTERED NEAR 30N128W WITH ANTICYCLONIC
FLOW COVERING THE AREA N OF 10N W OF 105W. BROKEN TO OVERCAST
STRATOCUMULUS CLOUDS ARE WITHIN THE HIGH N OF 15N W OF 115W.

$$
DGS