Cellphone alerts have proven unreliable during emergencies, as seen in the January fires in west Altadena. Many residents received warnings too late or not at all, and some lost cell service entirely.

ST. LOUIS — The City of St. Louis will test the storm siren system again Wednesday afternoon as the St. Louis Fire Department continues the transition into control of the system. The test will begin ...

ST. LOUIS — One of two mobile tornado sirens were unveiled by the St. Louis Fire Department Friday. According to fire officials, 22 sirens were not working the day of the May 16 tornado. "We're ...

Questions are growing about the condition of Wichita Falls' outdoor warning siren system after several complaints from ...

Officials said sirens did not sound before the sudden storm, and damage in Two Rivers was caused by straight-line winds, not ...