Jefferson Lab to test tornado warning siren on Friday
Newport News, Va. – The Thomas Jefferson National Accelerator Facility will test its tornado warning siren at 10:30 a.m. on Friday, April 5, 2013.
Depending on weather conditions at the time of the test, the siren could be heard by anyone within a 1.5-mile radius of the lab.
The test will be carried out over a period that could last from 30 seconds to three minutes, but likely will last less than one minute. The test will be of the wavering tone (also called high-low-high or 10-4-10).
Jefferson Lab uses the siren to quickly alert members of the lab community who are working outdoors to “take cover” in the event of tornadoes and tornado warnings in the immediate vicinity of the lab.
The lab tests the system on the first work Friday of each month.
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