Jefferson Lab Cancels its Monthly Siren Test

May 5, 2017
Contact: Deb Magaldi,
Ph. 757-269-5102


Due to Severe Weather Across Region, Jefferson Lab Cancels its Monthly Siren Test Scheduled for Today


NEWPORT NEWS, VA – The Thomas Jefferson National Accelerator Facility has cancelled the monthly test of its tornado warning siren for today. The cancellation of the test is due to the severe weather moving across the region today, which includes a National Weather Service Tornado Watch that extends until 1 p.m. EDT. If you are in or near the Jefferson Lab vicinity and hear the tornado warning siren activate today, take cover immediately.


Questions about Jefferson Lab's tornado siren may be directed to its Communications Office at


 Jefferson Science Associates, LLC, operates and manages Jefferson Lab for the Office of Science., or Jefferson Lab, is supported by the Office of Science of the U.S. Department of Energy. The Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, visit Thomas Jefferson National Accelerator FacilityThe