899  
ACUS11 KWNS 220933  
SWOMCD  
SPC MCD 220932  
WIZ000-MNZ000-221330-  
 
MESOSCALE DISCUSSION 2265  
NWS STORM PREDICTION CENTER NORMAN OK  
0332 AM CST MON DEC 22 2025  
 
AREAS AFFECTED...FAR NORTHEAST IOWA...SOUTHEAST MINNESOTA AND  
WESTERN WISCONSIN.  
 
CONCERNING...WINTER MIXED PRECIPITATION  
 
VALID 220932Z - 221330Z  
 
SUMMARY...WINTRY PRECIPITATION WILL CONTINUE THIS MORNING ACROSS THE  
REGION. AMOUNTS SHOULD GENERALLY REMAIN LIGHT, BUT MAY POSE SOME  
TRAVEL ISSUES BEFORE TEMPERATURES WARM ABOVE FREEZING THIS MORNING.  
 
DISCUSSION...LIGHT WINTRY MIX/FREEZING RAIN HAS DEVELOPED ACROSS THE  
REGION THIS MORNING IN RESPONSE TO STRONG WARM-AIR  
ADVECTION/FRONTOGENESIS IN THE 850-700MB LAYER.  
 
RAP POINT FORECAST SOUNDINGS ACROSS MINNESOTA THIS MORNING DEPICT  
SURFACE TEMPERATURES GENERALLY NEAR 0C/32F BENEATH 750MB, WITH  
WET-BULB TEMPERATURES GENERALLY A FEW DEGREES BELOW 0C/32F WITHIN A  
REGION OF LOW-LEVEL DRY AIR. AS THE AFOREMENTIONED PRECIPITATION  
MOVES INTO THE AREA, PRECIPITATION MAY INITIALLY FALL AS SLEET  
BEFORE TRANSITIONING TO FREEZING RAIN OR RAIN AS PERSISTENT MOIST,  
WARM-AIR ADVECTION WARMS AND MOISTENS THE LOW LEVEL PROFILE. FARTHER  
EAST/NORTHEAST, TEMPERATURE PROFILES ARE COLDER ACROSS WISCONSIN AND  
SHOULD SUPPORT LIGHT SNOW, ALTHOUGH A MIX OR CHANGE TO  
SLEET/FREEZING RAIN/RAIN REMAINS POSSIBLE (ESPECIALLY CLOSER TO  
MINNESOTA) AS LOW LEVELS WARM.  
 
PRECIPITATION AMOUNTS ARE EXPECTED TO REMAIN GENERALLY LIGHT THIS  
MORNING. HOWEVER, BRIEF TRAVEL IMPACTS MAY DEVELOP -- ESPECIALLY  
ACROSS WISCONSIN WHERE THE COLDER SURFACE TEMPERATURES RESIDE --  
THIS MORNING BEFORE TEMPERATURES WARM ABOVE 0C/32F.  
 
..MARSH.. 12/22/2025  
   
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT  
 
ATTN...WFO...GRB...MKX...ARX...MPX...  
 
LAT...LON 45339265 45229100 44709001 44218977 43738988 43519036  
43529113 43649190 43759288 44119383 44469455 44839478  
45239453 45329344 45339265  
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