Sea Ice Extent
WorldPhysical EnvironmentMean extent of Arctic and Antarctic sea ice between 1981 and 2010
NSIDCA 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.
Sea Ice Extent | very high (>300) | high (100–300) | medium (20–100) | low (2–20) | very low (<2) | high (100–300) | medium (20–100) | low–very low (<20) | very high–high (>100) | medium–very low (<100) | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | Areas of Strong Tornado Occurrence | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 10.9% | 1.73% | 69.2% | ||||||||||||
Yukon | 2.68% | 1.03% | 94.3% | ||||||||||||
Northwest Territories | 0.393% | 14.9% | 20.5% | 0.340% | |||||||||||
District of Columbia | 100% | ||||||||||||||
Rhode Island | 95.4% | ||||||||||||||
Nunavut | 0.158% | 1.56% | 18.2% | ||||||||||||
Maine | 99.6% | 0.281% | |||||||||||||
Nova Scotia | 25.1% | 6.85% | |||||||||||||
Prince Edward Island | 1.54% | 98.8% | |||||||||||||
Hawaii | 7.83% | 2.03% | |||||||||||||
New Brunswick | 0.131% | 55.2% | 0.167% | ||||||||||||
Newfoundland and Labrador | 0.162% | 63.0% | 10.9% | ||||||||||||
Connecticut | 99.9% | ||||||||||||||
Nevada | 0.846% | 77.8% | 0.958% | 0.158% | 10.3% | ||||||||||
Arizona | 2.82% | 3.38% | 7.86% | 26.1% | 30.0% | 5 | 1 | ||||||||
Utah | 19.0% | 13.5% | 4.33% | 52.4% | 8.18% | 2 | |||||||||
Florida | 67.8% | 3.90% | 31 | 6 | |||||||||||
Idaho | 0.187% | 2.97% | 8.14% | 5.84% | 27.5% | 16.7% | 38.6% | 1 | |||||||
New Hampshire | 100% | 2 | |||||||||||||
Vermont | 100% | 1 | |||||||||||||
Washington | 9.44% | 21.7% | 1.72% | 5.32% | 11.6% | 26.7% | 12.4% | 1 | |||||||
Wyoming | 9.28% | 70.8% | 0.149% | 15 | 3 | ||||||||||
Montana | 1.96% | 56.5% | 4.73% | 1.30% | 8 | 4 | |||||||||
North Dakota | 25.0% | 35.7% | 38.6% | 38 | 6 | 5 | |||||||||
Kentucky | 4.79% | 60.6% | 34.6% | 87 | 26 | 2 | |||||||||
Virginia | 25.5% | 28.7% | 45.7% | 28 | 8 | ||||||||||
Delaware | 97.7% | 1.87% | 3 | ||||||||||||
Saskatchewan | 7.13% | 4.36% | 15.3% | 6.27% | 23.7% | 7 | |||||||||
Mississippi | 80.4% | 0.601% | 11.5% | 162 | 45 | 7 | 2 | ||||||||
West Virginia | 99.3% | 0.714% | 4 | ||||||||||||
Nebraska | 45.3% | 37.3% | 4.89% | 3.30% | 67 | 13 | 7 | ||||||||
Texas | 15.3% | 1.57% | 15.4% | 1.38% | 14.5% | 1.86% | 6.12% | 193 | 46 | 7 | |||||
Missouri | 5.80% | 47.7% | 11.5% | 24.4% | 9.83% | 95 | 36 | 7 | 1 | ||||||
Louisiana | 99.6% | 93 | 15 | 2 | |||||||||||
North Carolina | 38.6% | 0.266% | 54.6% | 54 | 12 | ||||||||||
Oregon | 4.58% | 2.26% | 3.46% | 4.92% | 49.2% | 17.6% | 0.416% | 2 | |||||||
Alabama | 52.2% | 32.1% | 10.6% | 149 | 34 | 13 | 2 | ||||||||
New Mexico | 9.01% | 8.20% | 2.38% | 17.5% | 42.2% | 7 | |||||||||
Kansas | 13.6% | 26.2% | 18.1% | 41.9% | 82 | 56 | 10 | 1 | |||||||
Wisconsin | 42.1% | 16.2% | 35.1% | 32 | 11 | ||||||||||
British Columbia | 0.939% | 8.63% | 3.82% | 42.0% | 15.4% | 1 | |||||||||
New Jersey | 62.4% | 37.3% | 2 | 1 | |||||||||||
South Carolina | 62.7% | 37.3% | 46 | 15 | 1 | ||||||||||
Michigan | 26.5% | 66.0% | 20 | 3 | |||||||||||
Alberta | 11.4% | 3.76% | 18.2% | 32.1% | 8.32% | 2.17% | 3.59% | 9 | |||||||
Pennsylvania | 1.35% | 83.5% | 10.2% | 31 | 3 | ||||||||||
Colorado | 3.69% | 14.3% | 3.67% | 9.04% | 16.4% | 46.7% | 25 | 3 | |||||||
Massachusetts | 0.204% | 98.0% | 2 | 1 | |||||||||||
Georgia | 50.4% | 4.39% | 36.4% | 90 | 31 | 4 | |||||||||
New York | 2.89% | 5.91% | 91.1% | 17 | 1 | ||||||||||
Maryland | 64.7% | 13.9% | 20.7% | 8 | 1 | ||||||||||
Québec | 0.272% | 70.7% | 19.6% | 30 | 1 | ||||||||||
Manitoba | 1.61% | 4.56% | 6.78% | 4.33% | 51.3% | 5 | 4 | 1 | 1 | ||||||
Oklahoma | 9.60% | 2.65% | 7.80% | 23.7% | 54.6% | 104 | 29 | 8 | 2 | ||||||
Tennessee | 21.5% | 71.6% | 3.39% | 82 | 27 | 8 | |||||||||
Ontario | 13.7% | 8.23% | 4.40% | 59.7% | 1.73% | 46 | 1 | ||||||||
California | 1.53% | 8.91% | 2.60% | 8.90% | 3.94% | 0.295% | 0.750% | 14.0% | 3.26% | 3 | |||||
Arkansas | 49.6% | 14.2% | 36.2% | 105 | 23 | 4 | |||||||||
South Dakota | 4.24% | 4.28% | 9.35% | 8.75% | 73.3% | 47 | 7 | 4 | |||||||
Ohio | 88.6% | 3.31% | 42 | 7 | 3 | ||||||||||
Indiana | 65.5% | 0.222% | 12.0% | 58 | 18 | 1 | |||||||||
Minnesota | 7.33% | 24.3% | 29.3% | 39.1% | 60 | 11 | 4 | ||||||||
Iowa | 38.7% | 26.5% | 11.3% | 6.08% | 86 | 17 | 4 | 1 | |||||||
Illinois | 0.557% | 94.5% | 0.407% | 108 | 21 | 6 | |||||||||
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