The National Weather Service and the Storm Prediction Center are constantly coming up with new ways to describe the weather so that people get a better sense of whether they should just be aware or have a sense of urgency about the current and coming conditions. A few years ago, the SPC started using the phrase “Particularly Dangerous Situation” (PDS) in its wording with some tornado watches. Isn’t any tornado a particularly dangerous situation? What makes a PDS Watch different?
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