ACUS11 KWNS 291049
SWOMCD
SPC MCD 291049=20
IAZ000-MOZ000-NEZ000-291615-

Mesoscale Discussion 2238
NWS Storm Prediction Center Norman OK
0449 AM CST Sat Nov 29 2025

Areas affected...East-central/southeast NE into southwest/central IA

Concerning...Heavy snow=20

Valid 291049Z - 291615Z

SUMMARY...Snow rates may approach or exceed 1 inch per hour at times
this morning.

DISCUSSION...A long-duration snow event is underway across parts of
NE and IA this morning. A somewhat more organized precipitation band
has recently developed from eastern NE into west-central IA, within
a zone of enhanced frontogenesis within the 900-800 mb layer. This
band may continue to progress eastward in conjunction with a
mid/upper-level shortwave trough (and related surface low) currently
moving eastward across the central Plains.=20

Light to moderate snow has been ongoing this morning across much of
IA, while observations and recent dual-pol data from KOAX indicate
that a changeover from freezing rain/drizzle to snow is underway
from Omaha to near Lincoln, NE. Snow rates within the ongoing band
(and any additional organized bands that develop) may approach or
exceed 1 inch per hour at times this morning. Farther south into far
southeast NE and northwest MO, a residual warm layer may result in a
mix of precipitation types, though brief periods of moderate to
heavy snow rates could occur where a full changeover to snow can be
maintained.

..Dean.. 11/29/2025

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!_xbQDpEVIsKt-KhYC-QrxV32d0LuvNY8Ec4-9x5U55q2iyhxqopK0Mvwr92ycBmkZlNswUmZU= 8gRN-qXU64r25LWkwE$ for graphic product...

ATTN...WFO...DMX...EAX...OAX...

LAT...LON 41299700 41769569 42119475 42469373 42529282 41699269
40769261 40639416 40479570 40539684 41299700=20


=3D =3D =3D
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