Thursday, December 7, 2023

If you hear a siren Friday morning, don’t panic

NEWPORT NEWS — Jefferson Labs is conducting a tornado warning test Friday.

The ‘wavering tone’, also known as a high-low-high, can last up to three minutes and be heard for approximately 1.5 miles.

According to the lab’s news release, the tests are conducted monthly so employees working outside can take cover in case of a nearby tornado.

“We put out releases to inform nearby businesses that it is not a true alarm and only a test,” Joshua Cameron, a communications staff member at the lab, wrote in an email.

The tornado warning siren test will be at 10:30 a.m.

Julia Marsigliano
Julia Marsigliano
Julia Marsigliano is a multimedia reporter for WYDaily. She covers everything on the Peninsula from local government and law enforcement agencies to family-run businesses and weather updates. Before WYDaily, she covered Hampton and Newport News for WYDaily’s sister publication, HNNDaily before both publications merged in December 2018. Julia was born in Tokyo, Japan and moved to Long Island, New York in 2001. A true New Yorker, she loves pizza, bagels and good Chinese food. Send comments, tips and other tidbits to You can follow her on Twitter at @jmarsigliano

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