An outdoor emergency warning siren near Lyon Park in 最新杏吧原创 on Friday, May 21, 2021. Photo by Sara Diggins, sdiggins@post-dispatch.com
Sara Diggins
A billboard along Interstate 70 near Carrie Avenue advertises the NotifySTL cell phone emergency alert system put in place by the city of 最新杏吧原创, which notifies those signed up of hazardous conditions so that they can seek shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
Sara Diggins
A billboard along I-70 near Carrie Avenue advertises the NotifySTL cell phone emergency alert system put in place by the city of 最新杏吧原创, which notifies those signed up of hazardous conditions so that they can seek shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
Sara Diggins
An outdoor emergency warning siren near Lyon Park in 最新杏吧原创 on Friday, May 21, 2021. The sirens are used by the city to alert citizens to hazardous situations signal them to find shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
Sara Diggins
An outdoor emergency warning siren near Lyon Park in 最新杏吧原创 on Friday, May 21, 2021The sirens are used by the city to alert citizens to hazardous situations signal them to find shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
ST. LOUIS 鈥 The city鈥檚 60 tornado warning sirens are about 22 years old, potentially vulnerable to hacking and getting more difficult and expensive to repair as they age, the head of the City Emergency Management Agency says.
A billboard along Interstate 70 near Carrie Avenue advertises the NotifySTL cell phone emergency alert system put in place by the city of 最新杏吧原创, which notifies those signed up of hazardous conditions so that they can seek shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
A billboard along I-70 near Carrie Avenue advertises the NotifySTL cell phone emergency alert system put in place by the city of 最新杏吧原创, which notifies those signed up of hazardous conditions so that they can seek shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
An outdoor emergency warning siren near Lyon Park in 最新杏吧原创 on Friday, May 21, 2021. The sirens are used by the city to alert citizens to hazardous situations signal them to find shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com
An outdoor emergency warning siren near Lyon Park in 最新杏吧原创 on Friday, May 21, 2021The sirens are used by the city to alert citizens to hazardous situations signal them to find shelter. Photo by Sara Diggins, sdiggins@post-dispatch.com