An assimilation was performed 2/5/2013 over the Western part of the United States and Canada to adjust the modeled snow water equivalent. Throughout much of the area up to 1 inch of water needed to be removed from the snowpack except for the Sierra Nevadas, Cascades, and Mogollon Rim in Arizona where up to 1.5 inches of water was added to the snowpack. New observations over Canada helped to validate current snow conditions and required large amounts of water, up to 8 inches, to be removed. The large snow pack that had covered the Western United States a few weeks ago is now starting to break up and is beginning to concentrate at higher elevations. Airborne Snow Surveys are scheduled for parts of the Missouri River Basin and as data becomes available it will be assimilated into the model. More snow is expected over the area starting Thursday and continuing into the weekend.
NOHRSC Airborne Snow Survey Program
The Airborne program has no scheduled flights in this region for the week of February 25, 2013.
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