000
AXPZ20 KNHC 100904
TWDEP 

TROPICAL WEATHER DISCUSSION     
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC SAT MAR 10 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 1N80W 3N90W 1N97W 4N115W 3N140W. SCATTERED MODERATE 
ISOLATED STRONG WITH 120 NM N OF AXIS FROM 110W TO 118W.

...DISCUSSION...
MID/UPPER RIDGE CONTINUES TO BUILD OVER THE NW PORTION OF THE 
AREA WITH AXIS FROM 32N131W TO 22N140W. MODERATE TO STRONG 
SUBSIDENCE WITH DRY AIR AT THE MID AND UPPER LEVELS OF THE 
ATMOSPHERE IS LOCATED FROM THE ITCZ N TO 25N W OF 120W. UPPER 
TROUGH EXTENDS FROM SW ARIZONA TO 13N127W. A 75-90 KT JETSTREAM 
FROM 20N113W THROUGH CENTRAL MEXICO INTO S TEXAS IS ADVECTING 
MID AND UPPER LEVEL TROPICAL MOISTURE ACROSS CENTRAL MEXICO. 
BROAD UPPER LEVEL RIDGE COVERS SOUTHERN MEXICO AND CENTRAL 
AMERICA...WITH STRONG SUBSIDENCE ASSOCIATED WITH THE RIDGE.

SURFACE HIGH PRES RIDGE COVERS THE AREA N OF 15N W OF 110W.

$$
DGS