000
AXPZ20 KNHC 080903
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC THU MAR 08 2007

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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0900 UTC.

...ITCZ...
EQ80W 6N90W 3N105W 5N125W 1N140W. SCATTERED MODERATE ISOLATE 
STRONG 60 NM N OF AXIS FROM 98W TO 103W AND 100 NM N OF AXIS 
FROM 112W TO 115W.

...DISCUSSION...
UPPER LEVEL TROUGH EXTENDS FROM 32N116W TO 10N130W. SW FLOW E OF 
TROUGH AXIS WITH A 90-100 KT JET IS ADVECTION MID/UPPER LEVEL 
MOISTURE ACROSS CENTRAL MEXICO. AN UPPER LEVEL RIDGE IS BUILDING 
W OF THE TROUGH OVER THE FAR NW PORTION OF THE AREA. MODERATE TO 
STRONG SUBSIDENCE WITH DRY AIR AT THE MID AND UPPER LEVELS IS 
LOCATED S OF 20N W OF 125W AND HAS SUPPRESSED ITCZ CONVECTION. 
MID/UPPER LEVEL RIDGE WITH AXIS FROM NEW MEXICO ACROSS CENTRAL 
MEXICO TO 7N87W. 

SURFACE RIDGE COVERS MUCH OF THE PACIFIC N OF 15N W OF 110W.
A DISSIPATING COLD FRONT EXTENDS FROM 32N125W TO 30N131W. NO 
SIGNIFICANT WEATHER ASSOCIATED WITH THE FRONT.

$$
DGS