I've yet to receive one of those that was useful. Meanwhile the 70+ year old storm sirens mounted on the nearby office buildings work perfectly in my experience, being audible even indoors from many miles away.
I've yet to receive one of those that was useful. Meanwhile the 70+ year old storm sirens mounted on the nearby office buildings work perfectly in my experience, being audible even indoors from many miles away.
Even then. During a recent storm, they went off erroneously in Denver. (Looks like the other two erroneous alerts were via phone though.)
> Denver emergency officials say they are working to rebuild public trust after a mistaken tornado siren activation Monday became the third improper emergency alert issued in the city this year.
https://www.cbsnews.com/colorado/news/denver-tornado-alarms-...