000
AXPZ20 KNHC 100914
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU JAN 10 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...5N77W 6N85W 4N100W 6N120W 
4N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...
HIGHLY AMPLIFIED PATTERN IN PLACE WITH UPPER TROUGH EXTENDING 
FROM SOUTHERN NEW MEXICO ACROSS CENTRAL BAJA CALIFORNIA SW TO AN 
UPPER LEVEL CYCLONIC CIRCULATION NEAR 14N131W. UPPER LEVEL 
TROUGH IS NW OF THE TROUGH AND CYCLONIC CIRCULATION. DRY AIR 
MID/UPPER LEVEL IS N OF THE ITCZ TO 25N W OF 127W. BROAD 
MID/UPPER LEVEL RIDGE CONTINUES TO EXTEND FROM SOUTH AMERICA 
ACROSS NICARAGUA AND HONDURAS TO THE YUCATAN PENINSULA. A WEAK 
UPPER LEVEL TROUGH IN THE DEEP TROPICS FROM 10N100W TO EQUATOR 
AT 95W. ONCE AGAIN MODERATE TO STRONG SUBSIDENCE IN THE AREA IS
LIMITING THE CONVECTION ALONG THE ITCZ.

SURFACE HIGH...1028 MB...IS CENTERED AT 28N136W. ANTICYCLONIC 
FLOW COVERS THE AREA N OF 10N W OF 105W. BROKEN TO OVERCAST 
STRATOCUMULUS
CLOUDS N OF 10N W OF 115W.

DGS