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Day 1 Convective Outlook issued at 1934 UTC 19 April 2008
   SPC AC 191934
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0234 PM CDT SAT APR 19 2008
   
   VALID 192000Z - 201200Z
   
   ...NO SVR TSTM AREAS FORECAST...
   
   ...CNTRL APPALACHIAN MTNS/CAROLINAS...
   THE LATEST WATER VAPOR IMAGERY SHOWS AN UPPER-LEVEL LOW OVER THE OH
   VALLEY ADVANCING SLOWLY EWD. AT THE SFC...A TROUGH IS LOCATED FROM
   WV EXTENDING SSWWD ACROSS THE SRN APPALACHIAN MTNS. THUNDERSTORMS
   WILL LIKELY INITIATE ALONG AND EAST OF THE SFC TROUGH AS LARGE-SCALE
   ASCENT INCREASES FROM THE WEST. ALTHOUGH INSTABILITY REMAINS VERY
   WEAK ACROSS THE REGION...SOME SFC HEATING HAS OCCURRED FROM CNTRL SC
   NWD INTO CNTRL VA. LOW-LEVEL LAPSE RATES SHOULD BE MAXIMIZED ALONG
   THIS CORRIDOR BY EARLY AFTERNOON AND A MARGINAL THREAT FOR WIND
   DAMAGE MAY DEVELOP.
   
   FURTHER NORTHWEST ACROSS ERN KY...WV AND WRN VA SCATTERED
   THUNDERSTORMS WILL CONTINUE TO DEVELOP AHEAD OF THE APPROACHING
   UPPER-LEVEL LOW. FORECAST SOUNDINGS ACROSS THE REGION SHOW COLD AIR
   ALOFT AND STEEP MID-LEVEL LAPSE RATES ESPECIALLY ACROSS WV. THIS
   SHOULD BE ENOUGH FOR A MARGINAL HAIL THREAT WITH THE STRONGER CELLS
   THIS AFTERNOON.
   
   ..BROYLES.. 04/19/2008
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0100Z



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