000
AXPZ20 KNHC 030907
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1005 UTC MON APR 03 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY 
THROUGH 0845 UTC.

...ITCZ...
INTERTROPICAL CONVERGENCE ZONE AXIS IS ALONG THE LINE FROM 4N77W 
6N95W 6N110W 5N140W. 
SCATTERED MODERATE TO STRONG CONVECTION IS WITHIN 60 NM OF THE 
POINT 4.5N95.3W.  SCATTERED MODERATE WITH ISOLATED STRONG 
CONVECTION IS WITHIN 90 NM OF AXIS FROM 116W TO 124W.

...DISCUSSION...
LONGWAVE TROUGH IS NORTH OF A LINE THROUGH 20N140W TO 32N120W.
MIDDLE AND UPPER LEVEL MOISTURE IS ADVECTING NORTHEAST AHEAD OF 
THE TROUGH OVER NORTHWESTERN MEXICO.  A SURFACE COLD FRONT IS 
ALONG THE LINE THROUGH 32N127W TO 25N140W.  THE TROUGH IS 
EXPECTED TO AFFECT THE AREA NORTH OF 20N WEST OF 115W FOR AT 
LEAST THE NEXT 24 HOURS.

BROAD RIDGE COVERS THE REMAINDER OF THE AREA EXCEPT FOR A TROUGH 
ALONG THE EQUATOR FROM 100W TO 135W.

HIGH PRESSURE OF 1020 MB IS CENTERED NEAR 26N121W.  ELSEWHERE AT 
THE SURFACE BROAD TROUGH IS ANALYZED.

GULF OF PAPAGAYO...LATEST SSMI DATA INDICATE NE WINDS 20 KT 
WITHIN 60 NM EITHER SIDE LINE 8N94W 11N87W. MODEL GUIDANCE 
FLUCTUATES NE 20 KT WINDS THROUGH 48 HOURS. 

$$
LL