Cold fronts occur in several areas on the weather map, in the Pacific Ocean off British Columbia; beginning in southern Utah and running northeast across the Great Plains into Canada almost as far as Hudson Bay; and in the eastern Gulf of Mexico, extending northeastward across Florida toward the hurricane just off shore.
Cold Front | Nitrate Mines | No data | Arid and low water use | Low (<10%) | Low-medium (10-20%) | Medium-high (20-40%) | High (40-80%) | Extremely high (>80%) | |
|---|---|---|---|---|---|---|---|---|---|
Alaska | 0.132% | 87.9% | 0.193% | 0.154% | 1.32% | ||||
Arizona | 2 | 3.34% | 9.37% | 6.97% | 0.448% | 4.52% | |||
Utah | 5.42% | 4 | 20.8% | 13.7% | 0.313% | 0.420% | 49.5% | ||
Yukon | 0.923% | 99.0% | |||||||
Northwest Territories | 0.342% | 3.62% | |||||||
District of Columbia | 100% | ||||||||
Florida | 3.68% | 10.4% | 12.0% | 0.279% | 0.266% | 0.590% | |||
Idaho | 2 | 0.772% | 13.8% | 28.4% | 8.83% | 44.9% | |||
New Hampshire | 17.2% | 33.7% | 40.5% | 8.46% | |||||
Rhode Island | 0.183% | 86.5% | 6.09% | ||||||
Vermont | 7.27% | 88.3% | 4.41% | ||||||
Washington | 72.6% | 3.37% | 5.42% | 0.287% | 6.53% | ||||
Wyoming | 1 | 21.7% | 0.541% | 70.3% | |||||
Nunavut | 0.979% | 18.2% | |||||||
Montana | 2 | 28.7% | 2.60% | 14.6% | 5.24% | 35.2% | |||
Maine | 94.9% | 2.65% | 0.228% | 0.817% | |||||
North Dakota | 7.38% | 3.22% | 4.45% | 0.249% | 9.67% | 36.7% | |||
Kentucky | 76.6% | 17.7% | 5.68% | ||||||
Nova Scotia | 0.182% | 80.1% | |||||||
Virginia | 11.9% | 0.775% | 16.4% | 1.64% | |||||
Delaware | 0.105% | 37.7% | 61.1% | ||||||
Prince Edward Island | 98.5% | ||||||||
Saskatchewan | 4.25% | 59.9% | 2.62% | 2.54% | 2.67% | 0.868% | |||
Mississippi | 74.5% | 1.57% | 23.9% | ||||||
West Virginia | 63.6% | 17.6% | 14.6% | ||||||
Nebraska | 2.25% | 0.605% | 3.54% | 22.3% | 73.5% | ||||
Texas | 6 | 4.07% | 3.41% | 2.84% | 1.94% | 22.5% | 2.71% | ||
Missouri | 1 | 45.5% | 14.9% | 0.131% | 5.37% | ||||
Louisiana | 54.5% | 20.6% | 5.75% | ||||||
Hawaii | 7.82% | ||||||||
North Carolina | 0.116% | 12.2% | 54.7% | 3.14% | 0.982% | ||||
Oregon | 3 | 14.3% | 48.2% | 11.8% | 4.82% | 0.772% | 0.847% | ||
New Brunswick | 99.5% | ||||||||
Alabama | 92.6% | 5.45% | 0.987% | ||||||
New Mexico | 1 | 30.3% | 0.128% | 7.32% | 21.7% | ||||
Kansas | 5.13% | 0.176% | 1.82% | 13.8% | 68.4% | ||||
Wisconsin | 5.67% | 25.0% | 40.8% | 9.68% | |||||
British Columbia | 92.0% | 1.55% | 0.285% | ||||||
Newfoundland and Labrador | 74.5% | ||||||||
New Jersey | 0.162% | 3.07% | 94.0% | 1.76% | |||||
South Carolina | 0.748% | 24.6% | 36.2% | ||||||
Michigan | 56.0% | 3.00% | 4.63% | 9.70% | |||||
Alberta | 3.52% | 56.8% | 0.267% | 4.01% | 3.67% | 11.4% | |||
Connecticut | 0.460% | 29.6% | 24.9% | 23.8% | 1.35% | ||||
Pennsylvania | 1.42% | 27.8% | 49.9% | 3.96% | |||||
Colorado | 5.40% | 0.795% | 9.40% | 85.2% | |||||
Nevada | 1 | 8.21% | 0.731% | 1.40% | 0.413% | 2.80% | 24.0% | ||
Massachusetts | 0.206% | 0.166% | 33.6% | 8.30% | 30.7% | ||||
Georgia | 8.71% | 47.0% | 37.9% | ||||||
New York | 25.4% | 5.89% | 56.3% | 5.19% | 0.401% | ||||
Maryland | 0.151% | 4.45% | 64.3% | 1.05% | 8.49% | ||||
Québec | 99.1% | 0.240% | |||||||
Manitoba | 0.656% | 83.1% | 11.7% | 2.04% | 1.39% | ||||
Oklahoma | 11.4% | 5.60% | 4.28% | 17.9% | 30.0% | ||||
Tennessee | 90.1% | 5.50% | |||||||
Ontario | 1.22% | 97.2% | 1.67% | 1.13% | |||||
California | 3 | 0.688% | 12.5% | 0.232% | 17.8% | 2.26% | 1.00% | ||
Arkansas | 12.6% | 46.8% | 33.2% | 6.01% | |||||
South Dakota | 32.7% | 3.47% | 37.3% | 22.0% | |||||
Ohio | 3.42% | 0.721% | 29.0% | ||||||
Indiana | 0.434% | 1.19% | 8.61% | 4.78% | |||||
Minnesota | 6.20% | 21.0% | 3.81% | 13.1% | 23.4% | 22.0% | |||
Iowa | 3.53% | 26.6% | 12.5% | 44.0% | 16.3% | 0.628% | |||
Illinois | 30.9% | 0.187% | 44.1% | 9.75% | |||||
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