Tornadoes Occur in Winter

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Above is a map of tornadoes that have occurred from December 1 to February 29 (note: none occurred in eastern Maine). In addition to the large numbers of tornadoes that occurred in the South and Mississippi Valley, take a look at California. Tornadoes are especially common in winter during El Nino years and winter 2023-24 will be an El Nino period. 

It is important to pay attention if we are forecasting tornadoes, regardless of time of year. 

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