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Atlas (Beta)

Thunderstorm Occurrence

North AmericaPhysical Environment

Thunderstorm occurrence in North America

Thunderstorms per year in North America: The highest occurrence region (light brown), includes Texas, Oklahoma, and Kansas. Western U.S.(California, Nevada), and northern Canada (Yukon, Northwest Territories), have the lowest occurrences (black).

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Thunderstorm Occurrence												Seasonal Precipitation, April to September					Clean Water Access
100 and above	81–100	71–80	61–70	51–60	41–50	31–40	21–30	11–20	6–10	2–5	1 and below	0-5	5-10	10-20	20-40	40-80	Class	Rank	Percent







9.02%	23.9%	9.48%	11.8%	42.4%	27.6%	21.7%	21.0%	24.2%	14.9%	29.2%	7.65%	25.6%	39.1%	40.3%	37.6%	1.06%

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