A 39-year-old male asked:
what are the signs of a tornado?
1 doctor answer
Dr. Robert Kwok answered
32 years experience Pediatrics
Dark skies and...: Dark, often greenish clouds, filling the sky. A wall cloud, which is an isolated lowering of the base of a thunderstorm. Clouds of debris. Large hail. A funnel cloud (a visible rotating extension of the cloud base). Roaring noises that continue.
Answered on Feb 11, 2016
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