Inches of Water Equivalent

Comparison of Snow Water Equivalent


This interactive map provides a side-by-side comparison of the NOAA Snow Water Equivalent between early spring of 2011 and recent conditions (

To compare timeframes, select and hold the slider in the middle of the map to drag left and right.


To zoom: Use your mouse wheel or alternatively the +/- buttons on your keyboard.

To pan: select and hold with the cursor on the map and pan to your desired location.

March 27, 2011

Note: Snow water equivalent is only one of the many variables that contribute to flood risk. Soil moisture conditions prior to freeze-up, frost depth, standing water levels in prairie potholes, rate of snow melt, spring rains, reservoir operations and other factors contribute to flood risk.

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