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Hennepin County Sirens Get Smarter | Duluth News
Hennepin County’s emergency siren system is getting a major upgrade — and you might hear some weird noises. They’re conducting “growl tests” to fine-tune the new tech, which lets them target alerts to specific neighborhoods instead of blasting large areas. No more sirens going off miles away from the actual threat — now they’ll match National Weather Service zones for precision. Expect more siren activity over the next few months, including random neighborhood tests, as officials prep for real emergencies. The regular July siren test is even canceled this year. The “growl” name comes from the…
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