000
AXPZ20 KNHC 110902
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SUN MAR 11 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...
AXIS 1N79W 4N90W 1N100W 4N115W 3N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...
MID TO UPPER LEVEL RIDGE WITH AXIS FROM 32N131W TO 10N140W. SOME 
HIGH LEVEL MOISTURE IS MOVING ACROSS THE NORTHERN PERIPHERY OF 
THE RIDGE...OTHERWISE MODERATE TO STRONG SUBSIDENCE AND DRY AIR 
IS N OF 10N W OF 120W. MID TO UPPER LEVEL TROUGH EXTENDS FROM SW 
TEXAS ACROSS NW MEXICO TO 15N127W. SW WINDS E OF THE TROUGH 
CONTINUES TO ADVECT TROPICAL MOISTURE INTO CENTRAL MEXICO.
BROAD UPPER LEVEL RIDGE COVERS SOUTHERN MEXICO AND CENTRAL 
AMERICA...WITH DRY AIR FROM GUATEMALA S TO NICARAGUA AND THE 
PACIFIC N OF 5N E OF 100W.

SURFACE HIGH PRES RIDGE FROM 32N131W TO 16N110W. A SURFACE 
TROUGH IS ANALYZED ALONG THE ITCZ FROM 6N93W TO EQ96W. A FEW 
SHOWERS ARE FROM 2N-5N W OF THE TROUGH TO 91W.

$$
DGS