Tornado warnings get more descriptive
DULUTH — National Weather Service forecasters are working to be more descriptive and detailed when they issue severe storm and tornado warnings starting Monday with a new, three-tier warning system aimed at persuading people to take action based on real risk.
The new “impact-based warnings” will be issued not just for a specific area the storm is approaching but also based on the potential power of the storm and the known level of threat.
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