000
AXPZ20 KNHC 020350
TWDEP 

TROPICAL WEATHER DISCUSSION   
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC SAT APR 02 2011

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM 
THE EQUATOR TO 32N...EAST OF 140W.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY 
THROUGH 0330 UTC.

...ITCZ...

AXIS IS ALONG CENTERED ALONG 5N80W 6N90W 3N100W 5N130W 05N140W. 
SCATTERED MODERATE/ISOLATED STRONG CONVECTION IS WITHIN 120 NM N 
OF AXIS BETWEEN 125W-127W. SCATTERED MODERATE CONVECTION IS ALONG
AND WITHIN 120 NM S OF THE AXIS BETWEEN 117W-121W.

...DISCUSSION...

UPPER LEVEL CUT-OFF CYCLONIC CIRCULATION IS OVER THE NW PORTION 
OF THE AREA NEAR 27N135W NOTED WITH HAVING LESS MULTILAYER 
CLOUDS ROTATING AROUND IT. THE LOW LIFTS NE SAT AS ANOTHER 
MID-LAT TROUGH DIVES S AND EVENTUALLY FORMS ANOTHER CUT-OFF LOW 
NEAR 25N129W BY SUN NIGHT. WEAK TROUGHING AND MINIMAL CLOUDINESS 
IS EVIDENT NEAR THE SURFACE IN NE TRADE WIND FLOW. ITCZ 
CONVECTION FLARED UP EARLIER TODAY BETWEEN 115W AND 130W...THE 
RESULT OF DIVERGENCE ALOFT...BUT IS NOW BEGINNING TO SUBSIDE.

USUAL HIGH PRES RIDGE OVER NW PORTION OF AREA IS NOT PRESENT AT 
THIS TIME...AS A RESULT TRADE WINDS ARE LESS THAN 20 KT OVER THE 
ENTIRE DISCUSSION AREA. HIGH PRES IS EXPECTED TO BUILD NW OF THE 
AREA SAT...ALLOWING A SLIGHT INCREASE IN FRESH TRADE WINDS. WEAK
MONSOONAL ITCZ IS TRYING TO DEVELOP W OF 100W WITH SPOTTY TSTMS.
PATTERN DOES NOT CHANGE SIGNIFICANTLY OVER THE NEXT 2-3 DAYS.

$$
MUNDELL