There are several warm fronts on the weather map, in the Pacific Ocean off the coast of northern California extending north to British Columbia, where it intersects with a cold front; in Canada just east of Lake Superior, running north to intersect with a cold front; and along the Atlantic coast of the southeastern United States, ahead of the hurricane.
Warm Front | Lightning Frequency | <0.1 flashes/km²/year | 0.1 flashes/km²/year | 0.2 flashes/km²/year | 0.4 flashes/km²/year | 0.6 flashes/km²/year | 0.8 flashes/km²/year | 1 flash/km²/year | 2 flashes/km²/year | 4 flashes/km²/year | 6 flashes/km²/year | 8 flashes/km²/year | 10 flashes/km²/year | 20 flashes/km²/year | 30 flashes/km²/year | 240–259 | 220–239 | 200–219 | 180–199 | 160–179 | 140–159 | 120–139 | 100–119 | 80–99 | Less than 80 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Alaska | 6.63% | 1.78% | 25.5% | 0.226% | 5.17% | 28.4% | 69.2% | 2.23% | ||||||||||||||||||
Arizona | 1.13% | 23.6% | 20.0% | 37.0% | 18.2% | 44.2% | 33.7% | 22.1% | ||||||||||||||||||
Utah | 22.2% | 65.3% | 0.130% | 70.0% | 8.89% | 2.63% | ||||||||||||||||||||
Yukon | 2.57% | 1.17% | 39.3% | 42.1% | 0.676% | 0.532% | 2.01% | 100% | ||||||||||||||||||
Northwest Territories | 10.4% | 11.3% | 1.93% | 1.61% | 13.9% | 14.4% | 4.36% | 8.69% | 2.63% | 82.4% | 14.9% | |||||||||||||||
District of Columbia | 100% | 100% | ||||||||||||||||||||||||
Florida | 0.168% | 52.7% | 47.1% | 32.7% | 67.3% | |||||||||||||||||||||
Idaho | 8.51% | 90.0% | 78.1% | 21.9% | ||||||||||||||||||||||
New Hampshire | 77.0% | 23.0% | 100% | |||||||||||||||||||||||
Rhode Island | 100% | 100% | ||||||||||||||||||||||||
Vermont | 4.97% | 95.0% | 100% | |||||||||||||||||||||||
Washington | 1.04% | 10.6% | 19.8% | 20.2% | 12.1% | 35.6% | 0.648% | 1.22% | 98.8% | |||||||||||||||||
Wyoming | 48.7% | 16.7% | 16.6% | 10.4% | 7.61% | 12.4% | 87.6% | |||||||||||||||||||
Nunavut | 41.3% | 36.7% | 7.71% | 1.80% | 1.53% | 0.139% | 1.36% | 33.1% | 65.5% | |||||||||||||||||
Montana | 1.84% | 16.7% | 6.56% | 12.0% | 2.35% | 14.7% | 85.3% | |||||||||||||||||||
Maine | 5.45% | 71.9% | 99.8% | 0.153% | ||||||||||||||||||||||
North Dakota | 5.40% | 24.2% | 48.6% | 17.6% | 100% | |||||||||||||||||||||
Kentucky | 100% | 46.4% | 53.6% | |||||||||||||||||||||||
Nova Scotia | 8.11% | 10.6% | 36.1% | 17.3% | 27.8% | 52.4% | 47.6% | |||||||||||||||||||
Virginia | 0.585% | 33.4% | 66.0% | 2.49% | 97.5% | |||||||||||||||||||||
Delaware | 1.09% | 21.6% | 74.1% | 3.24% | 100% | |||||||||||||||||||||
Prince Edward Island | 2.52% | 8.96% | 20.3% | 68.2% | 100% | |||||||||||||||||||||
Saskatchewan | 0.267% | 0.717% | 31.5% | 16.7% | 3.54% | 42.7% | 57.2% | |||||||||||||||||||
Mississippi | 53.6% | 46.4% | 82.1% | 17.9% | ||||||||||||||||||||||
West Virginia | 90.8% | 9.25% | 99.2% | 0.827% | ||||||||||||||||||||||
Nebraska | 2.93% | 89.3% | 7.74% | 9.53% | 90.5% | |||||||||||||||||||||
Texas | 1.17% | 8.70% | 65.9% | 24.2% | 5.26% | 58.9% | 35.9% | |||||||||||||||||||
Missouri | 97.2% | 2.76% | 66.4% | 33.6% | ||||||||||||||||||||||
Louisiana | 100% | 26.8% | 73.2% | |||||||||||||||||||||||
Hawaii | 0.113% | 0.444% | 32.9% | 60.0% | 2.67% | 97.3% | ||||||||||||||||||||
North Carolina | 100% | 73.0% | 27.0% | |||||||||||||||||||||||
Oregon | 0.565% | 3.81% | 5.52% | 5.86% | 3.52% | 49.6% | 23.8% | 96.3% | 3.75% | |||||||||||||||||
New Brunswick | 0.276% | 0.234% | 58.0% | 47.2% | 52.8% | |||||||||||||||||||||
Alabama | 41.8% | 58.2% | 66.2% | 33.8% | ||||||||||||||||||||||
New Mexico | 7.94% | 33.3% | 53.7% | 15.5% | 33.9% | 49.1% | ||||||||||||||||||||
Kansas | 96.1% | 3.88% | 5.90% | 91.6% | 2.46% | |||||||||||||||||||||
Wisconsin | 0.368% | 53.9% | 28.7% | 12.9% | 3.74% | 100% | ||||||||||||||||||||
British Columbia | 1.64% | 6.95% | 12.6% | 20.1% | 4.57% | 5.28% | 0.164% | 6.19% | 21.7% | 31.5% | 46.8% | |||||||||||||||
Newfoundland and Labrador | 5.05% | 7.84% | 8.94% | 30.5% | 12.3% | 3.57% | 0.308% | 29.5% | 69.1% | 1.36% | ||||||||||||||||
New Jersey | 9.73% | 90.3% | 51.6% | 48.4% | ||||||||||||||||||||||
South Carolina | 85.1% | 14.9% | 100% | |||||||||||||||||||||||
Michigan | 1.83% | 31.7% | 16.4% | 14.6% | 8.66% | 100% | ||||||||||||||||||||
Alberta | 22.8% | 73.1% | 3.13% | 29.7% | 53.1% | 17.2% | ||||||||||||||||||||
Connecticut | 77.5% | 20.8% | 1.09% | 100% | ||||||||||||||||||||||
Pennsylvania | 7.74% | 34.9% | 57.3% | 19.4% | 80.6% | |||||||||||||||||||||
Colorado | 3.18% | 32.7% | 15.2% | 10.5% | 30.1% | 8.34% | 48.1% | 51.6% | 0.332% | |||||||||||||||||
Nevada | 1.83% | 39.4% | 47.0% | 11.8% | 1.58% | 63.4% | 31.2% | 3.86% | ||||||||||||||||||
Massachusetts | 2.27% | 79.0% | 18.5% | 0.220% | 99.8% | |||||||||||||||||||||
Georgia | 48.4% | 51.6% | 48.3% | 51.7% | ||||||||||||||||||||||
New York | 16.1% | 65.1% | 18.0% | 0.137% | 100% | |||||||||||||||||||||
Maryland | 2.23% | 17.7% | 58.3% | 21.7% | 100% | |||||||||||||||||||||
Québec | 11.0% | 4.90% | 11.5% | 3.83% | 3.39% | 3.67% | 19.7% | 17.8% | 0.183% | 10.4% | 38.5% | 41.0% | 10.1% | |||||||||||||
Manitoba | 2.65% | 4.40% | 2.91% | 25.0% | 48.7% | 10.4% | 26.0% | 66.7% | 7.35% | |||||||||||||||||
Oklahoma | 64.4% | 35.6% | 82.2% | 17.8% | ||||||||||||||||||||||
Tennessee | 100% | 100% | ||||||||||||||||||||||||
Ontario | 2.17% | 2.58% | 3.28% | 0.872% | 19.2% | 2.31% | 2.14% | 0.326% | 0.285% | 30.4% | 56.0% | 13.7% | ||||||||||||||
California | 2.29% | 10.6% | 16.3% | 5.69% | 2.96% | 35.4% | 15.6% | 1.52% | 2.69% | 22.7% | 49.4% | 19.9% | 5.25% | |||||||||||||
Arkansas | 15.7% | 84.3% | 50.1% | 49.9% | ||||||||||||||||||||||
South Dakota | 2.09% | 52.0% | 45.9% | 50.1% | 49.9% | |||||||||||||||||||||
Ohio | 23.4% | 76.6% | 51.6% | 48.4% | ||||||||||||||||||||||
Indiana | 100% | 0.561% | 79.2% | 20.2% | ||||||||||||||||||||||
Minnesota | 13.4% | 3.05% | 20.4% | 21.8% | 9.11% | 99.9% | ||||||||||||||||||||
Iowa | 5.30% | 6.65% | 14.4% | 73.6% | 77.7% | 22.3% | ||||||||||||||||||||
Illinois | 1.50% | 98.5% | 11.8% | 73.8% | 14.4% | |||||||||||||||||||||
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