Outdoor Warning Sirens

Outdoor warning sirens may not be heard inside buildings. They are primarily intended to warn persons in outdoor areas. 

It is estimated that about 50% of the public can hear a siren on a still day. During heavy rains or stormy weather, the percentage of people who hear a warning siren is greatly reduced because of the noise associated with the storm and because more people are indoors. 

It is recommended that you opt-in to the other methods to receive Emergency Communications. To get started, visit the Emergency Alerts webpage.

If you would like to submit commentary about the testing, please reach out to the Boulder County Office of Disaster Management.

Tests aim to familiarize people who work and live in different places with the sirens. 

Additionally, it is important to ensure the sirens work properly and educate the public about what action to take when they hear the sirens.

When you hear a siren, you should:

• Tune in to radio stations KOA 850 AM, KBCO 1190 AM, or 97.3 FM
• Turn on local television news channels (2, 4, 7, 9, or 31). Listen for a voice message if you are near a voice-activated siren
• Refrain from calling 911

Emergency Alerts

The Erie Police Department recommends all Erie residents opt-in to all three public safety answering points' emergency notification systems. 
Visit the Emergency Alerts webpage to voluntarily opt-in.

Additional Alerts

It's always important to have multiple ways of receiving a warning. Also tune in to:

• Social Media (trusted sources): Twitter, Ring, Nextdoor, Facebook, Instagram
• TV
• Family
• Landline phone
• NOAA Weather Radio
• Outdoor Warning Sirens