Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading ...
8 小时
Scripps News on MSNBattered by job cuts, National Weather Service prepares for tornado outbreakA storm system, fueled by unseasonably warm air, could unleash significant tornado activity along the Middle and Lower Mississippi Valleys this weekend.
May 20, 2013, marks the last time the United States was hit by the worst type of tornado. On that date, a monster EF5 tornado tore a 17-mile path through the Oklahoma City suburbs, creating "40 ...
A quirky aspect of the way we measure twisters helps explain why there hasn't been a top-tier-rated tornado in 12 years.
3 天
Live Science on MSN'Take shelter!': Tornado strikes Florida's Seminole County, destroying homes and ...A tornado hit central Florida on Monday, destroying two homes, uprooting trees and disrupting a FOX TV show as it was ...
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