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