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smcgee @smcgee.bsky.social · 03/09/2026

There will be short growl tests all month per a facebook post.

City of Minneapolis post on FB screenshot that says:

City of Minneapolis Government

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Minneapolis siren growl tests start in September
Titles are generated by AI from Meta
On Monday, Aug. 31, Hennepin County will begin upgrading outdoor warning sirens across Minneapolis. During the month of September, you may hear short, 10- to 15-second “growl tests” from these sirens. These tests help confirm that individual sirens are working.
Learn more about the work to upgrade the sirens: https://www.hennepincounty.gov/government/news-events/stories/preparing-for-extreme-weather

The post reposts a Hennepin County Government post that reads:

Hennepin County Government
August 5 at 12;25 PM
We're upgrading the control system for nearly 300 outdoor warning sirens across the county. This work is modernizing our system, one of the largest in the country, to provide faster, more precise and reliable warnings during emergencies.

smcgee @smcgee.bsky.social · 03/09/2026

More info here

content.govdelivery.com

News release: Outdoor siren upgrade in progress across Hennepin County