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Tornado sirens may be useless indoors

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Those terrifying wailing alarms explicitly designed to warn you about an impending vortex of death are shockingly quiet during a real storm. They were built strictly to be heard by people casually standing quietly outdoors, meaning if you are inside your insulated house watching a loud action movie, the deadly funnel will easily rip your roof off totally unannounced.

Tornado sirens may be useless indoors
STACKY / Science
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