News that doesn't receive the necessary attention.

Tuesday, February 17, 2015

Great Lakes Ice Coverage 1973-2014, Great Lakes Ice Coverage as of 2/16/15, NOAA

2/18/15, "Great Lakes Annual Maximum Ice Coverage 1973-2014,"

Above chart, "Historical Ice Cover" page top left.

NOAA Historical Ice Data Sets and Resources:

"Current Ice Cover Conditions," Great Lakes Environmental Research Lab,

76.6% as of 2/16/15. 81.4% coverage 2/16/14

"GLSEA (The Great Lakes Surface Environmental Analysis) is a digital map of the Great Lakes surface water temperature and ice cover which is produced daily at GLERL.The lake surface temperatures are derived from NOAA polar-orbiting satellite imagery. The addition of ice cover information was implemented in early 1999, using data provided by the National Ice Center (NIC). Lake surface temperatures are updated daily with information from the cloud-free portions of the previous day's satellite imagery. If no imagery is available, a smoothing algorithm is applied to the previous day's map....

See also:
Additional Resources:

Environment Canada Daily Great Lakes Ice Charts
National Ice Center data"


More Great Lakes Ice charts: "Great Lakes Ice Page," Watts Up With That


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