Following a review, @CityofDenver outdoor warning siren activation was determined to be the result of human error, not a technology failure. There was no tornado warning in effect.
We're strengthening training, reviewing procedures, and remain committed to providing timely,
Denver Office of Emergency Management
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Official Twitter for the Denver Office of Emergency Management. We are committed to keeping Denver safe, prepared, and informed. Join us to become #DenverREADY.
- We promise we’re not an “email every week” kind of account. 😌 Our newsletter goes out once a month and highlights emergency preparedness tips, upcoming classes, and important updates for Denver residents. If you live here, it’s worth a read. 👉 Join the list:
- ⏰Happening tomorrow at noon! Avoid being caught off guard when disaster strikes. Join us tomorrow for Virtual DenverREADY: Make A Kit & Plan, a one-hour class focused on practical steps to prepare yourself and your loved ones for emergencies. 📍 Virtual 📅 Monday, June 1, 2026
- 🚨Happening tomorrow! If an emergency happened tonight, would you know what to do next? Join us tomorrow afternoon for an in-person DenverREADY class focused on creating an emergency plan and building a kit to support you and your household during recovery. 📍 Denver Police
- 🧰Preparedness doesn’t start during an emergency Join the Denver Office of Emergency Management for a virtual DenverREADY: Make A Kit & Plan class and learn how simple preparation can make recovery easier after an emergency. We’ll cover how to build a realistic emergency kit
- 🧭Disasters don’t send a calendar invite but you can still be ready. Join the Denver Office of Emergency Management for an in-person class focused on making an emergency plan and building a kit to help you and your loved ones recover faster after an emergency. We’ll walk
- Denver Office of Emergency Management repostedCHERRY CREEK TRAIL ALERT | May 20: The U.S. Army Corp of Engineers will conduct the annual sediment flush of Cherry Creek Reservoir, with water flows expected to flood low areas of trail throughout the day.
- The annual Cherry Creek Dam sediment flush happening NOW, May 20, until early afternoon. Expect high water and flooded trail sections along Cherry Creek into the evening. Stay safe—follow the detour. @denverparksrec and @DenverDOTI
- Today we test our Long Range Account Device (LRAD). We are #DenverReady
00:00 - Denver, it’s going to be a hot one today. Temperatures are expected to hit around 90° by 3 PM, and that’s when heat can really start to take a toll on your body. Heat is more than just uncomfortable. It can become dangerous quickly, especially for kids, older adults, pets, and
- Today’s WEA + outdoor siren test is complete. Thanks for helping keep Denver prepared. Did you: 📱 Get the alert? 🚨 Hear the sirens? 📍 Where were you? Tell us in the comments 👇 📝 Take our quick survey: bit.ly/3OZwZqX --------------------------------------------
- Thanks to @greatdaycotv for having us today promoting our siren test! Don’t stress is just a test. Check our prep classes to learn how to be ready for any kind of emergency! Denvergov.org/OEM
- 🚨 Today at 11 AM You may receive a WEA alert and hear sirens across Denver. This is only a test. -------------------------------------------- 🚨 Hoy a las 11 AM Podrías recibir una alerta WEA y escuchar sirenas. Es solo una prueba.













