Outdoor Warning Sirens
The outdoor warning siren system consists of 10 large outdoor warning sirens located throughout the City of North Richland Hills. These sirens are activated when there is an immediate danger from a tornado, national security threat or environmental hazard.
How to React
The sirens are designed to warn people who are outside to go inside and turn on their local television or radio stations to find out what the situation is.
There are two types of signals generated by these sirens:
The outdoor warning system is tested at 1:00 p.m. on the first Wednesday of each month. The sirens will not be tested if inclement weather is forecasted or is in the immediate area.