SPC AC 121610
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1010 AM CST SUN DEC 12 2004
   
   VALID 121630Z - 131200Z
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 20 N BUF 45 NNW BUF
   55 N BUF ART 25 NNE SYR 35 E ROC 25 W ROC 20 N BUF.
   
   GEN TSTMS ARE FCST TO THE RIGHT OF A LINE FROM 30 ENE CLE 35 N CLE
   50 WNW ERI 40 NNE ERI BUF 30 ENE JHW 20 SSE ERI 30 ENE CLE.
   
   ...NO SVR TSTM AREAS FORECAST...
   
   STRONG SURFACE AND COLD UPPER LOW MOVING ESEWD ACROSS GREAT LAKES
   THIS FORECAST PERIOD. STRONG MID LEVEL COLD ADVECTION WILL ACCOMPANY
   THE SYSTEM AND RESULT IN FAVORABLE CONDITIONS FOR LAKE ENHANCED
   CONVECTIVE BANDS TONIGHT.
   
   BY 06Z LAPSE RATES STEEPEN AND COOL SUFFICIENTLY TO SUPPORT
   CONVECTION DEEP ENOUGH FOR OCCURRENCE OF LIGHTNING TO LEE OF LE/LO.
   WITH PREVAILING WSWLY FLOW OF 30-40KT SFC-700MB SETTING UP
   TONIGHT...OVER WATER TRAJECTORY WILL BE MAXIMIZED FOR LAKE BANDS.
   
   ..HALES.. 12/12/2004
   
   ...NOTICE...
   FOR USERS DECODING THE POINTS PARAGRAPH HEREIN...LATITUDE AND
   LONGITUDE POINTS FOR THE CATEGORICAL AND PROBABILISTIC OUTLOOK
   GRAPHICS ALSO ARE LOCATED IN A SEPARATE PRODUCT UNDER THE WMO
   HEADINGS WUUS01 PTSDY1...WUUS02 PTSDY2...AND WUUS03 PTSDY3.  THE
   INCLUSION OF POINTS IN THIS PRODUCT WILL EVENTUALLY BE DISCONTINUED.
   
   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 2000Z