000
AXPZ20 KNHC 060305
TWDEP 

TROPICAL WEATHER DISCUSSION    
NWS NATIONAL HURRICANE CENTER MIAMI FL
0405 UTC FRI APR 06 2012

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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0300 UTC.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

ITCZ FROM 06N115W TO 03N140W. NO SIGNIFICANT CONVECTION ALONG 
AXIS.

DISCUSSION...
BROAD UPPER LEVEL TROUGH IS ACROSS THE DISCUSSION AREA W OF 130W 
AND N OF 10N. AN UPPER LEVEL RIDGE IS E OF THE TROUGH TO 115W. 
MODERATE TO STRONG UPPER LEVEL SUBSIDENCE IS W OF 105W. A SHARP 
UPPER LEVEL TROUGH IS FROM SOUTHERN BAJA CALIFORNIA TO 5N105W. 
ABUNDANT MOISTURE IS E OF THE TROUGH AXIS TO BEYOND COLOMBIA AT 
77W. 

A 1030 MB HIGH IS CENTERED NEAR 37N135W. AN AREA OF 20 TO 25 KT 
WINDS WITH SEAS 12 TO 15 FT ARE N OF 23N BETWEEN 117W AND 127W. 
A SMALL AREA OF 20 KT TRADES ARE FROM 18N TO 27N BETWEEN 127W 
AND 140W WITH SEAS 8 TO 10 FT IN NW SWELL. OTHERWISE 9 FT NW 
SWELL ARE FROM 18N TO 27N BETWEEN 127W AND 140W. ELSEWHERE... 
SCATTERED MODERATE CONVECTION IS N OF 04N TO PANAMA BETWEEN 80W 
AND 84W. SCATTERED MODERATE CONVECTION IS ALSO OVER THE GULF OF 
PANAMA. EXPECT OVER THE NEXT 48 HOURS FOR THE ABOVE WINDS AND 
SWELL TO GRADUALLY DIMINISH. ALSO EXPECT IN 48 HOURS FOR A COLD 
FRONT TO BE OVER THE NW CORNER FROM 30N134W TO 26N140W. THE 
FRONT WILL CONTINUE TO MOVING SE WITH CONVECTION. 

$$
FORMOSA