Great Lakes Ice Cover Data - Ice Year 2020

Ice Year 2020 ArcGIS shapefiles - gis2020.zip (78 MB)
Ice Year 2020 ASCII files - grid2020.zip (1.5 MB)
Ice Year 2020 Graphic image files - jpg2020.zip (2.6 MB)

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(click on thumbnails for larger jpeg images)

GLERL digital ice chart for Nov 10, 2019
Nov 10, 2019
GLERL digital ice chart for Nov 11, 2019
Nov 11, 2019
GLERL digital ice chart for Nov 12, 2019
Nov 12, 2019
GLERL digital ice chart for Nov 13, 2019
Nov 13, 2019
GLERL digital ice chart for Nov 14, 2019
Nov 14, 2019
GLERL digital ice chart for Nov 15, 2019
Nov 15, 2019
GLERL digital ice chart for Nov 16, 2019
Nov 16, 2019
GLERL digital ice chart for Nov 17, 2019
Nov 17, 2019
GLERL digital ice chart for Nov 18, 2019
Nov 18, 2019
GLERL digital ice chart for Nov 19, 2019
Nov 19, 2019
GLERL digital ice chart for Nov 20, 2019
Nov 20, 2019
GLERL digital ice chart for Nov 21, 2019
Nov 21, 2019
GLERL digital ice chart for Nov 22, 2019
Nov 22, 2019
GLERL digital ice chart for Nov 23, 2019
Nov 23, 2019
GLERL digital ice chart for Nov 24, 2019
Nov 24, 2019
GLERL digital ice chart for Nov 25, 2019
Nov 25, 2019
GLERL digital ice chart for Nov 26, 2019
Nov 26, 2019
GLERL digital ice chart for Nov 27, 2019
Nov 27, 2019
GLERL digital ice chart for Nov 28, 2019
Nov 28, 2019
GLERL digital ice chart for Nov 29, 2019
Nov 29, 2019
GLERL digital ice chart for Nov 30, 2019
Nov 30, 2019
GLERL digital ice chart for Dec 01, 2019
Dec 01, 2019
GLERL digital ice chart for Dec 02, 2019
Dec 02, 2019
GLERL digital ice chart for Dec 03, 2019
Dec 03, 2019
GLERL digital ice chart for Dec 04, 2019
Dec 04, 2019
GLERL digital ice chart for Dec 05, 2019
Dec 05, 2019
GLERL digital ice chart for Dec 06, 2019
Dec 06, 2019
GLERL digital ice chart for Dec 08, 2019
Dec 08, 2019
GLERL digital ice chart for Dec 09, 2019
Dec 09, 2019
GLERL digital ice chart for Dec 10, 2019
Dec 10, 2019
GLERL digital ice chart for Dec 11, 2019
Dec 11, 2019
GLERL digital ice chart for Dec 12, 2019
Dec 12, 2019
GLERL digital ice chart for Dec 13, 2019
Dec 13, 2019
GLERL digital ice chart for Dec 14, 2019
Dec 14, 2019
GLERL digital ice chart for Dec 15, 2019
Dec 15, 2019
GLERL digital ice chart for Dec 16, 2019
Dec 16, 2019
GLERL digital ice chart for Dec 17, 2019
Dec 17, 2019
GLERL digital ice chart for Dec 18, 2019
Dec 18, 2019
GLERL digital ice chart for Dec 19, 2019
Dec 19, 2019
GLERL digital ice chart for Dec 20, 2019
Dec 20, 2019
GLERL digital ice chart for Dec 21, 2019
Dec 21, 2019
GLERL digital ice chart for Dec 22, 2019
Dec 22, 2019
GLERL digital ice chart for Dec 23, 2019
Dec 23, 2019
GLERL digital ice chart for Dec 24, 2019
Dec 24, 2019
GLERL digital ice chart for Dec 25, 2019
Dec 25, 2019
GLERL digital ice chart for Dec 26, 2019
Dec 26, 2019
GLERL digital ice chart for Dec 27, 2019
Dec 27, 2019
GLERL digital ice chart for Dec 28, 2019
Dec 28, 2019
GLERL digital ice chart for Dec 29, 2019
Dec 29, 2019
GLERL digital ice chart for Dec 30, 2019
Dec 30, 2019
GLERL digital ice chart for Dec 31, 2019
Dec 31, 2019
GLERL digital ice chart for Jan 01, 2020
Jan 01, 2020
GLERL digital ice chart for Jan 02, 2020
Jan 02, 2020
GLERL digital ice chart for Jan 03, 2020
Jan 03, 2020
GLERL digital ice chart for Jan 04, 2020
Jan 04, 2020
GLERL digital ice chart for Jan 05, 2020
Jan 05, 2020
GLERL digital ice chart for Jan 06, 2020
Jan 06, 2020
GLERL digital ice chart for Jan 07, 2020
Jan 07, 2020
GLERL digital ice chart for Jan 08, 2020
Jan 08, 2020
GLERL digital ice chart for Jan 09, 2020
Jan 09, 2020
GLERL digital ice chart for Jan 10, 2020
Jan 10, 2020
GLERL digital ice chart for Jan 11, 2020
Jan 11, 2020
GLERL digital ice chart for Jan 12, 2020
Jan 12, 2020
GLERL digital ice chart for Jan 13, 2020
Jan 13, 2020
GLERL digital ice chart for Jan 14, 2020
Jan 14, 2020
GLERL digital ice chart for Jan 15, 2020
Jan 15, 2020
GLERL digital ice chart for Jan 16, 2020
Jan 16, 2020
GLERL digital ice chart for Jan 17, 2020
Jan 17, 2020
GLERL digital ice chart for Jan 18, 2020
Jan 18, 2020
GLERL digital ice chart for Jan 19, 2020
Jan 19, 2020
GLERL digital ice chart for Jan 20, 2020
Jan 20, 2020
GLERL digital ice chart for Jan 21, 2020
Jan 21, 2020
GLERL digital ice chart for Jan 22, 2020
Jan 22, 2020
GLERL digital ice chart for Jan 23, 2020
Jan 23, 2020