OKC tornado sirens won't test if temps are below freezing. Here's the tech reason why.
The weekly tornado test is more infrequent during colder temperatures, and this is because of emergency management policy.
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US weather: America set to be battered by violent thunderstorms, tornadoes and 'snow squalls' as tropical plume will collide with frozen temperatures
A tropical plume sweeping into frozen America threatens an eruption of violent thunderstorms, tornadoes and ‘snow squalls’.
New Orleans tornado threat: Knowing the difference between a Tornado Watch and Tornado Warning
Southeast Louisiana is under a level 1, Marginal Risk, and level 2, Slight Risk for severe weather Wednesday evening and Wednesday night.
Weather Underground5y
Severe Storm Lingo
Supercells are typically also classified as severe thunderstorms, and tornadoes most commonly form from these kinds of storms. A frozen form of precipitation consisting of individual balls or ...