000
AXPZ20 KNHC 082131
TWDEP 

TROPICAL WEATHER DISCUSSION  
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC TUE APR 08 2008

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

BASED ON 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
2100 UTC.

...ITCZ...

ITCZ AXIS IS CENTERED ALONG 8N77W 6N90W 8N105W 3N125W 3N140W. 
SCATTERED MODERATE ISOLATED STRONG IS S OF PANAMA FROM 6N TO 8N 
BETWEEN 80W AND 86W. SCATTERED MODERATE CONVECTION IS FROM 8N TO 
10N BETWEEN 110W AND 113W...FROM 7N TO 9N BETWEEN 115W AND 
117W...AND FROM 5N TO 7N BETWEEN 120W AND 124W.

...DISCUSSION...

W OF 95W...
A 1035 MB HIGH IS CENTERED N OF THE AREA NEAR 35N149W. A RIDGE 
AXIS EXTENDS SE FROM THE HIGH CENTER TO 16N107W. NORTHERLY WINDS 
20 TO 25 KNOTS ARE LOCATED OFF THE BAJA CALIFORNIA COAST. NWLY 
SWELL EXTEND FROM 125W TO 140W. TRADEWIND EASTERLIES TO 20 KNOTS 
ARE LOCATED FROM 6N TO 12N W OF 130W. IN THE UPPER LEVELS...THE 
BASE OF AN UPPER LEVEL TROUGH IS OFF THE COAST OF CALIFORNIA N 
OF 30N AND E OF 130W. ZONAL FLOW IS FROM 10N TO 30N BETWEEN 120W 
AND 140W. AN UPPER LEVEL HIGH IS CENTERED NEAR 12N112W. 
ANTICYCLONIC FLOW IS N OF 5N BETWEEN 95W AND 120W. SIGNIFICANT 
UPPER LEVEL MOISTURE IS N OF 20N AND W OF 130W.  STRONG 
SUBSIDENCE IS OVER THE REMAINDER OF THE AREA. THE STRONGEST 
UPPER LEVEL WINDS ARE LOCATED N OF 28N AND E OF 128W AND ARE IN 
THE 70 TO 90 KNOT RANGE.

E OF 95W...
MODERATE TRADEWINDS DOMINATES THE AREA. SURFACE WINDS WILL 
REMAIN BELOW 20 KNOTS FOR THE NEXT 48 HOURS. CONVECTION IS S OF 
SEE ABOVE. IN THE UPPER LEVELS...ZONAL WESTERLY FLOW PREVAILS.  
STRONG SUBSIDENCE COVERS THE AREA EXCEPT S OF PANAMA WHERE 
SIGNIFICANT UPPER LEVEL MOISTURE IS FOUND.

$$
FORMOSA