OEM also added 20 new siren sites to expand the coverage footprint into more rural areas of Davidson County, bringing the total to 113 sirens. It hit about 8:20 (I know because we were anxiously awaiting our daughter's return home, LOL) but fizzled out pretty quickly.
The sirens are tested the first Tuesday of each month at 10 a.m. The city anticipates the routine maintenance to be complete by Oct.

All sirens are tested at noon on the first Saturday of each month and silently tested daily internally by the system itself. The Tornado Warning Siren system is to help those in outdoor areas be aware that a tornado warning has been issued for any portion of the county. Featured Events are paid listings by users and receive priority placement on Patch, on our social pages and in our daily newsletters.
Outdoor Warning Siren System The City of Naperville's siren system is comprised of 19 siren units. A long-awaited upgrade to Nashville’s tornado warning system has been completed. The weather doppler looked dire and we got several WeatherBug alerts, but other than 10 minutes of fairly intense wind, not much. In 2020, The Nashville Office of Emergency Management in conjunction with Federal Signal, Commtech Radio and Metro Information Technology Services completed upgrades to the existing Tornado Warning System.The new Tornado Warning System will operate on a Polygonal Alert model. This tone will last three to five minutes. Funded with $2 million in local capital improvement dollars recommended by Mayor Karl Dean and approved by the Metro Council, the entire system was also upgraded with new siren equipment that emitted an easier-to-hear warning signal, which is more like an old air-raid warning rather than the mechanical tone previously used. Severe Weather Awareness Week in Montana prompted this test of Miles City's Tornado Sirens. The specific guidelines (tornado, hail ,wind, etc.) NAPERVILLE, IL — Residents in Naperville should expect to hear warning sirens going off during the week of Oct. 15 as crews perform maintenance work and tests on warning sirens throughout the city. Tornado Sirens Undergoing Maintenance This Week - Naperville, IL - Outdoor warning sirens will be tested throughout the week in Naperville, beginning Monday, Aug. 27.

"The city reminds residents that outdoor warning sirens are activated for the purpose of alerting people who are outdoors that a tornado warning has been issued for the Naperville area. Featured Classifieds are paid posts promoted by Patch community members. Tests will take place between 8 a.m. and 5 p.m. and should be completed by Oct. 19. During severe weather, seek shelter immediately, and at all other times tune into 1610 AM radio, 89.1 FM radio or cable TV for information on the emergency.The steady tone is used to alert the public that a tornado has been sighted and is approaching the community. The city anticipates the routine maintenance to be complete by Aug. 31.The city reminds residents that outdoor warning sirens are activated for the purpose of alerting people who are outdoors that a tornado warning has been issued for the Naperville area. Previously, any tornado warning touching […] (The previous system activated ALL tornado sirens, despite where the projected path of the storm was forecast. OEM also added 20 new siren sites to expand the coverage footprint into more rural areas of Davidson County, bringing the total to 113 sirens. Naperville, IL - Outdoor warning sirens will be tested throughout the week in Naperville, beginning Monday, Oct. 7.

This model will provide warnings to a focused polygonal alert area based on information coming directly from the National Weather Service.The upgrade to the Tornado Warning System included updating technology on 93 existing tornado sirens across Davidson County. © 2020 like and comment (This is my last siren test video due to cold weather I won't be recording any siren tests that much. — The City of Naperville informs the public that annual maintenance on the City’s 25 outdoor warning sirens will take place throughout the week of October 15-19, 2018… Evening of June 30, strong thunderstorm hit the area.