Image of the Day - Satellite Image of a Snow Free South Dakota
The image below is a 1000m resolution, "true color" image from the MODIS satellite valid today - 1 February 2012. A couple interesting features noted on the image are described below:
- Areas in "brown" are predominantly void of snow. As such - a vast majority of South Dakota is completely snow free! Obviously, this is quite rare for the 1st of February.
- The "brown ground" is able to absorb much more solar energy, which allows temperatures to warm. This is a major reason why temperatures have remained above normal.
- Residual areas of snowcover (white) are confined to the Black Hills region in western South Dakota and the Glacial Lakes region in northeastern South Dakota.
- A large section of Lake Oahe north of Pierre is free of ice (dark blue color). Again, very rare for early February.
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