000
AXPZ20 KNHC 292206
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC THU MAR 29 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2145 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 2N78W 5N90W 6N100W 5N110W 5N120W
4N130W 4N140W. NO SIGNIFICANT CONVECTION IS NOTED.

...DISCUSSION...

MID/UPPER LEVEL RIDGE AXIS IS ALIGNED ALONG 130W WITH A FEW 
CIRRUS CLOUDS MOVING NE ON THE SW FLOW W OF THE RIDGE AXIS.
MODERATE TO STRONG SUBSIDENCE...WITH DRY AIR AT THE MID AND 
UPPER LEVELS OF THE ATMOSPHERE IS NOTED N OF 8N E OF 128W...
AND ALSO N OF 20N W OF 130W. A LARGE AND MID/UPPER LOW CENTERED 
OVER THE FOUR CORNERS REGION OF THE UNITED STATES WITH TROUGH 
EXTENDING SWD INTO WESTERN MEXICO TO NEAR MANZANILLO. A 75-95 KT 
WIND MAX IS AT THE BASE OF THE LOW FROM THE CENTRAL BAJA 
PENINSULA ACROSS NORTHERN MEXICO TO THE BIG BEND OF TEXAS, THE 
SUBSIDENCE AND LACK OF LOW-LEVEL MOISTURE IS KEEPING SKIES 
CLOUD-FREE UP AND DOWN THE MEXICAN COAST. MID/UPPER LEVEL RIDGE 
EXTENDS FROM COLOMBIA NW TOWARD CENTRAL AMERICA THEN NWD ACROSS 
THE YUCATAN PENINSULA INTO THE GULF OF MEXICO.

RIDGE AXIS EXTENDS INTO THE DISCUSSION AREA THROUGH 32N128W
25N120W TO 19N112W. BROKEN TO OVERCAST STRATOCUMULUS CLOUDS WITH
POSSIBLE ISOLATED SHOWERS ARE MOVING WWD N OF 15N W OF 130W
...AND FROM 16N-27N BETWEEN 122W-130W. A 1008 MB LOW IS ALONG 
THE SOUTHERN END OF A COLD FRONT OVER NORTHERN MEXICO NEAR THE
BIG BEND OF TEXAS.

$$
AGUIRRE