000 AXPZ20 KNHC 262116 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 2205 UTC FRI SEP 26 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. ...TROPICAL WAVES... TROPICAL WAVE N OF 6N ALONG 88W MOVING W 10 KT. SCATTERED MODERATE CONVECTION ALONG THE ITCZ WITHIN 90 NM E OF THE WAVE. TROPICAL WAVE N OF 8N ALONG 99W MOVING W 10 KT. NO SIGNIFICANT CONVECTION ASSOCIATED WITH THE WAVE. TROPICAL WAVE FROM 6N TO 17N ALONG 111W MOVING W 10 KT. ONLY CONVECTION NEAR THE WAVE IS ALONG THE ITCZ. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 11N86W 12N105W 10N130W 10N140W. SCATTERED MODERATE TO STRONG CONVECTION FROM 10N-12N BETWEEN 108W AND 113W. SCATTERED MODERATE STRONG CONVECTION WITHIN 60 NM EITHER SIDE OF AXIS FROM 120W-132W. ...DISCUSSION... MID/UPPER LEVEL TROUGH WITH AXIS FROM 32N125W TO 21N135W WITH A WEAK RIDGE BUILDING NW OF THE TROUGH. MODERATE TO STRONG SUBSIDENCE WITH DRY AIR STABLE AIR AT THE MIDDLE AND UPPER LEVELS OF THE ATMOSPHERE COVERS THE DISCUSSION AREA N OF 20N W OF 110W. MID/UPPER LEVEL ANTICYCLONIC CIRCULATION CENTERED JUST SW OF THE BAJA PENINSULA NEAR 22N112W. A RIDGE EXTENDS FROM THE CIRCULATION N ACROSS NW MEXICO INTO NEW MEXICO. ANOTHER RIDGE EXTENDS FROM THE ANTICYLONE SW TO 15N133W. UPPER LEVEL DIFFLUENT FLOW SE OF THE ANTICYCLONIC CIRCULATION IS ENHANCING SCATTERED MODERATE TO STRONG CONVECTIVE ACTIVITY WITHIN 150 NM OF THE COAST OF MEXICO FROM 16N-22N. A 1009 MB SURFACE LOW PRES IS CENTERED NEAR 15N116W DRIFTING NW. SCATTERED MODERATE TO STRONG SHOWERS AND TSTMS ARE WITHIN 150 NM OVER THE NW QUADRANT OF THE LOW. ANOTHER 1009 MB LOW PRES IS ANALYZED ALONG THE ITCZ NEAR 11N134W IS NEARLY STATIONARY. SCATTERED MODERATE CONVECTION E OF THE LOW ALONG THE ITCZ DESCRIBED ABOVE. OTHERWISE BROAD SURFACE HIGH PRES RIDGE COVERS THE AREA N OF 20N W OF 120W. BROKEN TO OVERCAST STRATOCUMULUS CLOUDS BLANKET THE AREA WITHIN THE RIDGE. $$ DGS