Grand Forks uses a network of 14 sirens, supplemented by four new sirens on the UND campus, to warn of the approach of potentially severe weather. They wail at 130 decibels at 100 feet, comparable to a train whistle, and are meant to alert people who are outdoors and otherwise unaware of dangerous weather approaching. East Grand Forks coordinates the use of its four sirens with Grand Forks through the cities’ 911 emergency centers.
Read the article: Wow, those sirens wailed
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