March 15, 2025

Storm Prediction Center Mesoscale Discussion 196

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Mesoscale Discussion 196
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   Mesoscale Discussion 0196
   NWS Storm Prediction Center Norman OK
   0747 AM CDT Sat Mar 15 2025

   Areas affected...portions of western Minnesota

   Concerning...Heavy snow 

   Valid 151247Z - 151645Z

   SUMMARY...Periods of heavy snow (perhaps exceeding 1 inch/hr at
   times), along with blizzard conditions are possible this morning.
   Winds may sustain over 35 mph (with higher gusts), with reduced
   visibility possible in spots.

   DISCUSSION...A stacked cyclone continues to occlude while drifting
   toward Ontario. As this cyclone continues to track northward,
   continued CAA will keep the column below freezing while 850-700 mb
   frontogenesis will continue to support adequate convergence/lift for
   efficient dendrite production over central MN, which will pivot
   around the northwestern quadrant of the cyclone and support moderate
   to heavy snowfall over western MN this morning. Strong surface
   isallobaric flow across the northwestern cyclone quadrant may
   coincide with heavier snowfall rates (perhaps exceeding 1 inch/hr at
   times), resulting in periodic blizzard conditions. Visibility may
   reduce to or less than a quarter mile in the heavier snow bands.

   ..Squitieri.. 03/15/2025

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

   ATTN...WFO...DLH...MPX...FGF...FSD...ABR...

   LAT...LON   43689599 44359634 46259622 47759612 48179522 48209447
               47989429 47379411 46659425 45709440 44679466 43889488
               43689509 43689599 


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2025-03-15 12:50:03