TORNADO DANGER SIGNS TO LOOK FOR

 

• Wall cloud
• Large hail
• Loud roar, often described as sounding like a freight train
• Visible funnel, often with debris below it
• Rain or low lying clouds can often obscure the funnel
• The wind could die down and the air become very still just prior to the tornado hitting
• A cloud of debris could be visible even if the funnel is not
• Dark, often greenish sky

 

Tornadoes often occur on the trailing edge of thunderstorms. It is not uncommon to see sunlit sky behind the tornado.

 

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