Add Yahoo as a preferred source to see more of our stories on Google. YORK COUNTY, Pa. (WHTM) — You are going to hear nuclear emergency warning sirens at a York County nuclear facility. Here's why.

On Wednesday, Jan. 7, Duke Energy will conduct its first quarterly siren test of 2026 at each of its six nuclear power plants. Approximate siren test times: Sign up for our Newsletters 10 a.m. - 11 ...

Nuclear sirens were accidentally sounded in LaSalle County Tuesday, officials announced in an alert to the public, stressing that there was no real threat. County officials issued a press release just ...

PHOENIX – Every year, the Palo Verde Nuclear Generating Station is required to test its emergency notification system, including sirens and cellphone alerts. The testing for 2025 is set for midday ...

YORK COUNTY, Pa. (WHTM) — You are going to hear nuclear emergency warning sirens at a York County nuclear facility. Here’s why. Constellation Energy announced that it will conduct its semi-annual, ...