8.2K views · 63 reactions | If you hear a siren in Oklahoma City, immediately take shelter and get more information about the storm. OKC's outdoor warning sirens sound in and near areas where the National Weather Service has issued a tornado warning or where a spotter reports a tornado. There is no all-clear signal. Learn more about what you can do to be prepared for severe weather at okc.gov/prepare. | City of Oklahoma City - Government | Facebook

🇩🇪 📢 Germany is practising for emergencies again today. ❗📱 To ensure that the population can be warned of imminent dangers as quickly as possible in emergency situations, mobile phones and sirens will sound on National Warning Day. | Deutschland.de

4.1K views · 26 shares | VIDEO: Sirens are going off in Killeen as the area is under a Tornado Warning. Though the sirens are going off, the National Weather Service didn't say any tornado was in the area, but it's still safe to seek shelter immediately. Live Tornado Warning coverage: https://www.kcentv.com/article/weather/forecast/central-texas-local-forecast/500-f0146215-a8c6-44ed-9b47-46bae4013cd8 | 6 News KCEN TV | Facebook