THUNDERSTORM FORECASTS - Here are what my thunderstorm forecast zones mean: STRONG is somewhere between general and severe. A storm can produce a weak tornado but be non-severe otherwise. SEVERE equals numerous severe storms with all hazards, potentially widespread. SIGNIFICANT is for the worst of the worst, major outbreak or widespread concern...I haven't used a SIG zone yet in the 3 years I've been using this criteria. TARGET used to narrow down a zone of maximum impact.
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