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 210026
   
   DAY 1 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   0726 PM CDT THU OCT 20 2011
   
   VALID 210100Z - 211200Z
   
   ...NO TSTM AREAS FORECAST...
   
   ...SYNOPSIS...
   
   UPPER LOW WILL GRADUALLY LIFT NEWD ACROSS SRN ONTARIO INTO SRN
   QUEBEC TONIGHT WITH SUBSIDENCE/DRYING EXPECTED TO SUPPRESS DEEP
   CONVECTION ACROSS NRN NY/VT.  EARLIER TSTM ACTIVITY THAT WAS NOTED
   ACROSS THIS REGION HAS WANED AND RETREATED INTO CANADA AND LIGHTNING
   IS NOT ANTICIPATED ACROSS THE CONUS THROUGH 12Z.
   
   ..DARROW.. 10/21/2011
   
   CLICK TO GET WUUS01 PTSDY1 PRODUCT

   NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z