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ACUS11 KWNS 251501
SWOMCD
SPC MCD 251500=20
PAZ000-WVZ000-OHZ000-KYZ000-INZ000-251800-

Mesoscale Discussion 0056
NWS Storm Prediction Center Norman OK
0900 AM CST Sun Jan 25 2026

Areas affected...Central Indiana to Western Pennsylvania

Concerning...Heavy snow=20

Valid 251500Z - 251800Z

SUMMARY...Moderate to heavy snow rates to continue through the
morning.

DISCUSSION...A broad zone of isentropic ascent and frontogenesis
across the Ohio Valley continues to support a widespread region of
moderate snowfall this morning. Within this broad zone, heavier
bands of snow with rates of 1+ inches per hour are being observed.
This appears to be near the corridor of maximum 700mb frontogenesis
based on SPC mesoanalysis. The peak of this frontogenesis appears to
be from near Dayton, OH to Pittsburgh through 18Z before weakening
thereafter.=20

This also corresponds to a narrow zone 50 to 100 miles north of the
sleet/snow transition zone which based on KILN Correlation
Coefficient seems to have stalled southeast of I-71.=20

Expect this zone of heavier rates to continue through the morning
before weakening by early afternoon as the primary storm system
shifts farther east and frontogenesis weakens.

..Bentley.. 01/25/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj=
g!6Z2lqADRlZJHGn8luOi0GKt44GvA9iU8PsFfdeM6oW6pHibrjJcObhO38u7mZTGpgtnCTaJK3=
sNLopFgSvStNXywBRA$  for graphic product...

ATTN...WFO...PBZ...RLX...CLE...ILN...IWX...IND...

LAT...LON   39688605 41218256 41768104 41658024 40917988 39758159
            39568256 39228372 38898472 38948541 39208616 39688605=20


=3D =3D =3D
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