Great freeze over Great Lakes, as seen from satellite

The true-color image above, from the Moderate Resolution Imaging Spectroradiometer on NASA's Aqua satellite, shows the mostly frozen state of the Great Lakes on Feb. 19. On that date, ice spanned 80.3 percent of the lakes. The ice reached an even greater extent on Feb. 13, when it covered about 88 percent of the Great Lakes -- coverage not achieved since 1994, when ice spanned over 90 percent. In addition to this year, ice has covered more than 80 percent of the lakes in only five other years since 1973.

Read the whole article on Science Daily

More from Science Daily