A data assimilation was done in the Midwest and western Great Lakes on January 15. Snow water was added due to under-production of snowfall from recent storms. Up to an inch of water was added, mainly in eastern and central Iowa. About 1/2 inch of water was added in central Wisconsin, southeastern Minnesota and northwestern Illinois.
NOHRSC Airborne Snow Survey Program
The Airborne program has no scheduled flights in this region for the week of January 12, 2009.