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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												European Monetary Union (“Euroland”)	Change in Urbanization			Areas at Risk of Soil Degradation				Ethnic and Cultural Regions
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	Value	Class	Rank	Percentage of annual change	Areas of serious concern	Areas of some concern	Stable terrain	Nonvegetated land	Acadiana	Black Belt	Cuban South Florida	French-Canadian Quebec	Hispanic borderlands	Navajo Reservation	Nunavut












9.02%	23.9%	9.48%	11.8%	42.4%	27.6%	21.7%	21.0%	24.2%	14.9%	29.2%	7.65%					23.0%	35.0%	31.0%	10.1%	20.6%	43.6%	3.77%	99.6%	53.2%	6.72%	98.3%

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