Winter Storm Saturn and it’s Path

Winter Storm Saturn will continue laying down a heavy swath of snow from the Upper Midwest to the Ohio Valley.

Let’s lay out the “who, what and how much” bullet points:

On Tuesday 3/5/13

• Snow:  Ends in the northern Plains, continues in the Upper Mississippi Valley, spreading into the Ohio Valley and western Great Lakes.  Snow will spread into the central Appalachians Tuesday night.
• Heaviest snow:  Eastern Minnesota, eastern Iowa, western/far southern Wisconsin, northern Illinois, northern Indiana, then into western Ohio and the central Appalachians by evening.
• Commute Impacts:  Minneapolis/St. Paul |Chicago | Indianapolis | Columbus
• Airport Impacts:  Chicago O’Hare(cancellations/delays) | Mpls./St. Paul(delays, some cancellations)
• Interstate impacts:  I-94 (N.D. to southwest Mich.),  I-90 (Minn. to northern Ohio), I-80 (Ia. to northern Ohio), I-35 (Ia./Minn.)

On Wednesday, Thursday, Friday 3/6-3/8

After leaving a snowy footprint from Washington State to the Ohio Valley, Saturn will the become a powerful low shifting off the East Coast.

March has a notorious history for major storms.  Among the most infamous:

• March 1993 “Superstorm”
• Ash Wednesday 1962
• Mar. 2-5, 1960 coastal storm
• Blizzard of 1888 (New York City)

There are two key uncertainties regarding the snowfall forecast in the East:

• Snowfall totals in Washington, D.C. metro.
• Placement of the heavy snow swath in New England.
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