News From the Field
Multiple consecutive days of tornado activity spawn worst events
April 30, 2014
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.Significant tornado outbreaks and especially strong tornadoes are more likely to occur within periods of activity lasting three or more days, according to a tornado expert. An examination of 30 years of U.S. weather records found that an outbreak of 20 or more reported tornadoes had a 74 percent probability of occurring during a period of tornado activity lasting three or more days.Full Story
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