The Central Plains and Mid-Mississippi Valley endured quite the snowstorm today with 8-14 inches falling widely and the heavy snows continue tonight over the Ohio Valley. Following 3-6 inches in Kansas City, 10-14 inches in St Louis and Chicago, the snow has moved out and as skies clear, so it’s turning fiercely cold tonight.
As the arctic front sweeps south through Tennessee and Alabama, so snow is breaking out over such cities as Nashville as of this writing.
Source: weather.com
Tonight’s temperatures peak up over Minnesota tonight with lows dipping towards -28 in Minneapolis while tonight merely sets the stage for one heck of a cold day all the way to Memphis and Nashville where it won’t get out of the 0s and 10s, setting the stage for the coldest night tomorrow night.
Here’s the surface chart for tomorrow and note the exceptionally low and rare thicknesses.
Courtesy/Owned by AccuWeather Pro
Nashville is expected to stay below 10 tomorrow and with snow cover likely (since it’s snowing hard tonight), there’s every chance that tomorrow night, for the first time since 1996, the low may drop below 0. Even sheltered spots in north Alabama could push 0 while many northern cities drop below 10.
Temperatures tomorrow will be simply brutal in Minneapolis and Chicago with highs holding in the -10s for the first time in 20+ years.
Source: weather.com
Further east and Atlanta is likely to drop below 8 for the first time since 2003 but if it hits 5 or lower, then they will have experienced the coldest night since 1985. Charlotte, NC will see a low drop below 10, perhaps dipping towards 6 or 7 while up in the mountains of Tennessee, North Carolina and Georgia, lows will comfortably drop below 0.
As well as the bitter air temps tonight through Wednesday, wind chill values will be exceptional by Southern standards.
Check out these graphic show North Georgia wind chills Tuesday AM.
Source: NWS
Bone chilling wind chills will be found over Alabama and Mississippi while air temps near state wide, north of the Gulf Coast, drop below 20. Even New Orleans across to Mobile could get down to 20.
Here’s another great graphic from the NWS Birmingham.
Source: NWS
Wind chills as far south as New Orleans, Mobile, Tallahassee across to Jacksonville may all get below 10.
Further north and wind chill values will be exceptional. 20-40 below in Kansas City and St Louis, 30-50 below Des Moines to Chicago while Minneapolis could see near 60 below wind chills.
Source: weather.com
This major trough lifts out later next week and the CFSv2 shows the significant thaw on the way.
While warmer times are on the way, more arctic air is likely to return the following week and towards the end of the month.
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