Categorical Graphic
Probabilistic Tornado Graphic
Probability of a tornado within 25 miles of a point. Hatched Area: 10% or greater probability of EF2 - EF5 tornadoes within 25 miles of a point.
Probabilistic Damaging Wind Graphic
Probability of damaging thunderstorm winds or wind gusts of 50 knots or higher within 25 miles of a point. Hatched Area: 10% of greater probability of wind gusts 65 knots or greater within 25 miles of a point.
Probabilistic Large Hail Graphic
Probability of hail 1" or larger within 25 miles of a point. Hatched Area: 10% or greater probability of hail 2" or larger within 25 miles of a point.

   SPC AC 311937
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0137 PM CST SAT DEC 31 2011
   
   VALID 312000Z - 011200Z
   
   ...NO TSTM AREAS FORECAST...
   
   NO CHANGES TO THE PREVIOUS OUTLOOK.
   
   ..JEWELL.. 12/31/2011
   
   .PREV DISCUSSION... /ISSUED 1015 AM CST SAT DEC 31 2011/
   
   ...SYNOPSIS/FORECAST...
   MODEST DYNAMICS AND POCKETS OF LOWER STATIC STABILITY WILL BE
   ASSOCIATED WITH SHORT WAVE TROUGHS OVER THE CENTRAL U.S. AND
   NORTHEAST ON THIS VERY LAST DAY OF 2011. WITH THE GENERALLY ACTIVE
   MID-LEVEL FLOW REGIME REMOVED FROM MORE SRN LATITUDES...MOISTURE
   INFLUX INTO THESE SYSTEMS WILL REMAIN MEAGER. THEREFORE...ONLY A
   VERY LIMITED CHANCE FOR THUNDERSTORMS WILL EXIST LATER TODAY NEAR
   THE DEVELOPING PLAINS CYCLONE...OVER ERN NEB/WRN IA...AND PERHAPS
   NEAR/ALONG THE IMMEDIATE EAST COAST...FROM CAPE HATTERAS TO CAPE COD
   TO DOWNEAST MAINE. ELSEWHERE...DRY...MILD...AND AREAS OF WINDY
   WEATHER ARE EXPECTED TO LAST THROUGH NEW YEAR/S EVE.
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

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