To be prepared for a tornado, it is critical to be familiar with tornado warning signs. Although tornadoes vary greatly in their appearance and provide little or no warning, the following signs can indicate that a tornado could be imminent.
- A dark, often greenish sky.
- A wall cloud, particularly if it is rotating.
- Large hail. Although not always, storms that produce tornadoes frequently produce large hail as well.
- A loud roar, similar to the sound of a freight train.
- Tornadoes may occur near the trailing edge of a thunderstorm and be quite […]
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