Storm Prediction Center Mesoscale Discussion 2251

   Mesoscale Discussion 2251
   NWS Storm Prediction Center Norman OK
   0214 PM CST Fri Dec 06 2024

   Areas affected...portions of western New York

   Concerning...Heavy snow 

   Valid 062014Z - 070115Z

   SUMMARY...Lake-effect snow rates approaching 2 inches an hour are
   possible into the evening hours.

   DISCUSSION...A lake-effect snow band is ongoing across portions of
   Lake Ontario, which is impinging on Oswego County NY and is
   producing heavy snow based on the Fulton/Oswego County Airport ASOS.
   Some slight backing of the low-level winds from northwesterly to
   westerly, as shown by surface observations, will support a longer
   fetch of moisture across Lake Ontario. These backing winds may help
   intensify the ongoing snow band, as well as encourage this band to
   take on a slightly more west-to-east orientation over the next
   several hours. While at least one inch/hr rates are likely in the
   immediate term, snowfall rates approaching 2 inches/hr may be
   possible later this afternoon and evening.

   ..Squitieri.. 12/06/2024

   ...Please see www.spc.noaa.gov for graphic product...

   ATTN...WFO...BGM...BUF...

   LAT...LON   43517674 43677667 43747647 43757625 43637594 43467581
               43407581 43277585 43227599 43277632 43317654 43517674