000
AXPZ20 KNHC 082143
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC WED MAR 08 2006

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 
2115 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N82W EQ100W THEN ALONG EQ128W 
2N140W. NO SIGNIFICANT CONVECTION.

...DISCUSSION...

W OF 110W...
STRONG HIGH PRES IS IN CONTROL OVER MOST OF THE PACIFIC WATERS W 
OF BAJA WITH MODERATE/STRONG TRADES W OF 120W. AN UPPER LEVEL 
RIDGE IS LOCATED N OF THE AREA AND IS FORCING HIGH LEVEL 
MOISTURE TO SURGE SWD ALONG THE CALIFORNIA COAST TO ABOUT 26N. A 
DEEP UPPER TROUGH IS LOCATED DOWNSTREAM OVER THE SW UNITED 
STATES AND A CUT-OFF TROUGH IS STRUNG ACROSS THE AREA FROM NRN 
BAJA TO 22N130W W OF 24N140W. THIS FEATURE IS ASSOCIATED WITH AN 
AREA OF MODERATE/STRONG SUBSIDENCE BETWEEN 18N-26N AND IS ALSO 
INFLECTING THE SUBTROPICAL JET FROM 17N140W TO 17N130W THEN NEWD 
TOWARDS NW MEXICO.

E OF 110W...
MAINLY N/NE LOW-LEVEL FLOW EXTENDS FROM CENTRAL AMERICA TO THE 
ITCZ...AND SWD ACROSS THE EQUATOR. THERE ARE A FEW PATCHES OF 
SHOWERS/TSTMS EXTENDING ALONG THE ITCZ FROM THE PANAMA/COSTA 
RICA BORDER SW TO THE W OF THE GALAPAGOS ISLANDS...BUT OVERALL 
MOISTURE IS RATHER LIMITED AND SKIES ARE MAINLY CLEAR. A LARGE 
UPPER LEVEL ANTICYCLONE IS LOCATED SSW OF THE GULF OF 
TEHUANTEPEC NEAR 8N98W WITH AN AREA OF STRONG SUBSIDENCE 
EXTENDING OVER ITS NE QUADRANT TOWARDS CENTRAL AMERICA. BROKEN 
HIGH CLOUDINESS IS APPROACHING THE ANTICYCLONE FROM THE W AND 
EXTENDS NWD TOWARDS MEXICO.

$$
BERG