000
AXPZ20 KNHC 112142
TWDEP 

TROPICAL WEATHER DISCUSSION
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC SUN MAY 11 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 CENTERED ALONG 07N78W TO 08N95W TO 06N105W TO 09N114W 
TO 04N130W TO 05N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION IS LOCATED WITHIN 90 NM EITHER SIDE OF A 09N95W TO 
08N100W LINE AND ALSO FROM 01N TO 06N BETWEEN 103W AND 107W. 

...DISCUSSION...

W OF 105W...
A MIDDLE/UPPER LEVEL TROUGH HAS ITS AXIS EXTENDING THROUGH 
32N122W TO NEAR 20N133W. A CYCLONIC CIRCULATION IS LOCATED 
WITHIN THE TROUGH IN THE VICINITY OF 27N127W AND MOVING NE ABOUT 
10 KNOTS. A JET STREAM IS CLEARLY EVIDENT ON WATER VAPOR IMAGERY 
AND ORIGINATES NEAR THE DATE LINE AND CONTINUES EASTWARD THROUGH 
17N140W TO 18N128W. THE JET THEN TURNS NE THROUGH 25N122W AND 
ACROSS THE NORTHERN GULF OF CALIFORNIA. SATELLITE CLOUD DRIFT 
WINDS INDICATE THE STRONGEST WINDS ALONG THE JET BETWEEN 128W 
AND 140W WITH SPEEDS APPROACHING 90 KNOTS. THE FLOW ALOFT OVER 
THE DEEP TROPICS W OF 120W IS MOSTLY ANTICYCLONIC. AT THE 
SURFACE N WINDS TO 20 KNOTS AND SEAS TO 8 FT ARE LOCATED N OF 
27N BETWEEN 118W AND 128W. NORTHEAST TRADE WINDS TO 20 KNOTS ARE 
LOCATED FROM 09N TO 20N W OF 125W.

E OF 105W...
THE FLOW ALOFT OVER THE EASTERN PART OF THE DISCUSSION AREA IS 
EASTERLY TO THE E OF 98W AND SOUTHERLY BETWEEN 98W AND 105W. AT 
THE SURFACE LIGHT WINDS PREVAIL.

$$
CAB