249
ACUS11 KWNS 291642
SWOMCD
SPC MCD 291642
ILZ000-IAZ000-MOZ000-292145-
MESOSCALE DISCUSSION 2239
NWS STORM PREDICTION CENTER NORMAN OK
1042 AM CST SAT NOV 29 2025
AREAS AFFECTED...PARTS OF IL...SOUTHEAST IA...AND FAR NORTHEAST MO
CONCERNING...HEAVY SNOW
VALID 291642Z - 292145Z
SUMMARY...PRIMARY BANDS OF MODERATE TO SPORADIC HEAVY SNOW SHOULD
PIVOT FROM SOUTH-CENTRAL ACROSS SOUTHEAST IOWA, AND PERSIST ACROSS
MUCH OF CENTRAL INTO NORTHERN ILLINOIS THROUGH THIS AFTERNOON. RATES
AROUND 1 INCH PER HOUR SHOULD OCCASIONALLY OCCUR.
DISCUSSION...LONG-DURATION SNOWFALL EVENT WILL PERSIST THROUGH THE
AFTERNOON, SHIFTING EASTWARD TO THE NORTHEAST OF A SURFACE CYCLONE
NEAR THE WESTERN KANSAS CITY METRO AREA. ONGOING HEAVY SNOW BAND
ACROSS SOUTH-CENTRAL IA SHOULD LARGELY PIVOT ACROSS SOUTHEAST IA AND
PERHAPS EXPAND AS THE STRONGEST MID-LEVEL DCVA SHIFTS ACROSS EASTERN
IA THIS AFTERNOON. FARTHER EAST, THE PERSISTENT LOW-LEVEL WARM
CONVEYOR WILL MAINTAIN A BROAD SWATH OF MODERATE SNOW ACROSS CENTRAL
TO NORTHERN IL. WHILE THE BULK OF THE ASCENT SHOULD REMAIN BENEATH
THE DENDRITIC GROWTH ZONE CENTERED AROUND 550 MB, STRENGTHENING
MID-LEVEL DCVA SHOULD FOSTER SPORADIC BURSTS OF HEAVIER SNOW.
SNOWFALL RATES WITHIN THESE REGIMES SHOULD OCCASIONALLY REACH 1
IN/HR.
..GRAMS.. 11/29/2025
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...LOT...ILX...LSX...DVN...DMX...EAX...
LAT...LON 40109261 40519334 41149351 41689305 41839219 41769124
41148796 40248759 39418782 39118851 40109261
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