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MapMaster 3

Sea Ice Extent

WorldPhysical Environment

Mean extent of Arctic and Antarctic sea ice between 1981 and 2010

NSIDC

A world map shows the sea ice extent at the beginning of 2022, with the highest coverage in the Arctic region around Canada, Greenland, and Russia, and some presence in the Antarctic region. These regions are highlighted in light blue.

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Sea Ice Extent

Average Number of Tornado Incidences per Year (U.S.)

Mean Sea-Surface Temperature

Sea Ice Extent

Less than 1

1–5

6–10

11–15

More than 15

-2.0 to 0.0

0.0 to 1.9

2.0 to 3.9

4.0 to 5.9

6.0 to 7.9

8.0 to 9.9

10.0 to 11.9

12.0 to 13.9

14.0 to 15.9

18.0 to 19.9

20.0 to 21.9

22.0 to 23.9

24.0 to 25.9

26.0 to 27.9

28.0 to 29.9

Arizona
92.2%7.76%
Utah
100%
District of Columbia
100%
Idaho
100%
New Hampshire
1.24%98.7%
Vermont
77.1%22.6%
Wyoming
87.7%12.3%
Montana
100%
North Dakota
29.5%70.5%
Kentucky
4.42%60.5%35.1%
Mississippi
10.9%74.0%15.1%
West Virginia
48.2%51.8%
Nebraska
88.6%11.4%
Missouri
23.4%62.5%14.1%
Oregon
100%
New Mexico
90.2%9.71%
Kansas
68.1%31.5%
South Carolina
99.9%
Pennsylvania
6.15%93.9%
Colorado
69.4%30.6%
Nevada
100%
Oklahoma
3.41%35.1%46.0%15.5%
Tennessee
41.3%58.7%
Arkansas
87.2%12.8%
South Dakota
22.1%76.0%1.85%
Ohio
3.97%96.0%
Indiana
62.9%37.1%
Minnesota
23.4%72.5%4.03%
Iowa
50.0%50.0%
Illinois
70.3%29.6%
Alaska
99.8%0.243%0.756%0.368%
Northwest Territories
0.540%
Florida
64.2%35.5%0.797%0.110%0.317%0.665%
Rhode Island
99.3%4.89%
Washington
99.9%0.825%
Nunavut
0.158%2.12%
Maine
40.0%59.8%0.534%
Nova Scotia
1.84%0.489%0.275%0.472%
Virginia
10.3%89.6%0.725%
Delaware
99.2%1.06%
Prince Edward Island
1.54%5.18%
Texas
16.8%43.9%36.9%2.38%0.214%
Louisiana
30.4%69.5%1.00%
Hawaii
92.1%10.0%0.778%4.46%
North Carolina
99.9%0.239%0.183%0.286%
New Brunswick
0.647%0.219%
Alabama
69.5%16.4%14.0%0.114%
Wisconsin
13.1%53.1%33.7%0.545%
British Columbia
2.52%1.06%
Newfoundland and Labrador
0.162%1.04%0.607%
New Jersey
19.5%80.3%0.163%1.14%
Michigan
34.8%64.8%1.89%
Connecticut
99.9%0.194%
Massachusetts
99.5%1.32%2.66%0.220%
Georgia
61.5%38.5%0.230%
New York
61.6%38.3%0.265%0.344%
Maryland
99.3%2.09%
Québec
0.165%
Ontario
0.375%
California
99.9%0.120%0.206%
0.16.0