Great Lakes Satellite Imagery Ice

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Great lakes satellite imagery ice.

This color enhanced imagery from the suomi npp satellite s viirs instrument shows ice cover on the great lakes on february 12 2018. The true color image above from the moderate resolution imaging spectroradiometer modis on nasa s aqua satellite shows the mostly frozen state of the great lakes on feb. Multi spectral blend combines ir band 13 with visual band 3 31 dec 2020 04 56 utc. Remotely sensed satellite data present a synoptic view of the distribution and extent of the great lakes ice cover.

As of february 11 69 1 percent of the great lakes were ice covered according to data from noaa s great lakes environmental. These images are provided as a public service with the understanding that noaa resources be used responsibly to allow for access by all interested users. Advertisement satellite imagery captured a cool image friday afternoon on lake michigan where a ship could be seen cutting through the ice. On that day ice covered 55 percent of the lakes according to the noaa great lakes environmental research laboratory.

Unreasonably frequent reloading or hotlinking of these images into outside web pages adversely affects noaa s. The bottom image shows ice cover a year earlier march 16 2014 when ice covered 75 percent of the lakes. Although there are several reason for extracting ice cover information from satellite imagery the major reason is the desire to extend the navigation ea on on the great lakes. The moderate resolution imaging spectroradiometer modis on nasa s aqua satellite acquired the top image of ice cover on north america s great lakes on march 17 2015.

Home great lakes modis imagery region map notice. At night the blue colors represent liquid water clouds such as fog and stratus while gray to white indicate higher ice clouds and the city lights come from a static database that was derived from the viirs day night band. Noaa nasa satellite image shows the low ice cover on the great lakes the ice cover was significantly lower than the average since the 1970s ice cover in the great lakes has been on a downward trend. 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.

Clear skies thanks to high pressure over the region reveal lake ice and snow cover on the ground in remarkable detail.