Arctic Air Makes Comeback Following Midwest Storm (Blizzard, severe Wx), Gr Lakes Ice May Top 90% In March

Written by on February 20, 2014 in United States of America with 0 Comments

It sure was mild today with 60s making it as far north as Rapid City. We also got 60s into West Virginia and DC but once the air crossed the deeper snowpack from Philly northward, the air cooled, holding highs in the 40s.

Source: weather.com

Source: weather.com

Unfortunately, this mild surge is only going to last another day or so before another wave of arctic air dives south. As a matter of fact we have a storm system that will track NNE over the Midwest and it’s this that will trigger a decent snowstorm on it’s backside from the eastern Plains up through Iowa, Minnesota and Wisconsin.

On it’s warm side we have a surge of pretty warm and very moist air and that is expected to trigger severe weather through the Ohio Valley, perhaps points further east. This thing is also likely to bring heavy rain and with all that snow on the ground, expect some flooding.

SPC has slight risk out.

Friday

day2otlk_1730

Saturday

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Here’s the surface chart

36 hrs

Source: AccuWeather Pro

Source: AccuWeather Pro

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Snow chart

48 hrs

Source: AccuWeather Pro

Source: AccuWeather Pro

Once that system clears after producing howling wind and blizzard conditions to Iowa, Wisconsin and Minnesota, cold air rushes in. Highs in Minneapolis go from mid-40s tomorrow to mid-teens Friday.

By 54 hrs see the heavy, thundery rain band sweeping through the Big Cities. This should dent the snowpack and bring urban and stream flooding.

Then in comes the arctic air, look out for a surprise 1-3 inch swath of snow along the arctic front from the Plains to East Coast.

54 hrs

Source: AccuWeather Pro

Source: AccuWeather Pro

By Monday it’s back to the freezer across the Upper Midwest, Great Lakes and Northeast once again. Lows are likely to fall back below 0 once again in Minneapolis.

Source: AccuWeather Pro

Source: AccuWeather Pro

Between Saturday and Wednesday of next week there’s actually TWO waves running the arctic boundary with rain down across the warmer south but look out from Kansas to New Jersey.

By Tuesday-Wednesday, here comes the next real shot of cold.

Source: AccuWeather Pro

Source: AccuWeather Pro

Thicknesses go back into 498dc territory with a chance of sub 0 highs again in Minneapolis.

Check out these 850 temps.

Source: AccuWeather Pro

Source: AccuWeather Pro

As stated in recent posts, March is looking COLD and next week is still February of course.. This winter has a long way to go yet!!

Finally, Great Lakes ice stands at 85.1%, given the return of brutal cold, I’m anticipating over 90% ice cover on the Lakes by early or Mid-March. This will have big impacts on the upcoming spring and summer.

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