Denver will sound the city’s warning sirens at 11 a.m. Wednesday.
The test is a three-minute test conducted annually before the start of tornado season.
The city’s outdoor warning sirens normally urge residents to seek shelter immediately and look for information from the media for further instructions. The best places to shelter during a tornado, according to a news release from the city, is in a basement or interior room, and away from windows.
Colorado has already seen the start of tornado season this year. Storms over the including at least one that left five people with minor injuries.
On Sunday, the city of Aurora received some criticism after it sounded outdoor sirens before the National Weather Service had issued any warnings.
The city and police department , stating the warning was “activated due to rotating clouds being spotted” by first responders.
