[On_site_list] JLab Tests Tornado Warning Siren Today at Noon

[deborah magaldi]

Jefferson Lab's tornado warning siren will undergo its monthly 
operational test at 12-noon today (Friday, April 6).  Depending on 
weather conditions at the time of the test, the siren may be heard by 
anyone outdoors within a 1.5-mile radius of the lab.

Don't respond to the siren; this is a test of the siren system and not a 
personnel response exercise.

The test shouldn't last more than three-minutes and will likely last 
only 30 seconds to one minute.

Individuals planning to be in the Central Materials Storage Area (where 
the siren is located) while the test is taking place must have with them 
and wear two layers of hearing protection. A sign will be posted at the 
Central Materials Storage Area gate to notify entrants of the test. It 
will be removed when the test is over.

Jefferson Lab uses the siren to notify members of the lab community to 
"take cover" in the event of tornadoes and tornado warnings. It is 
intended to notify people who are working outdoors.

More information about the siren is in the March 2012 On Target 
newsletter, currently posted at:
http://wwwold.jlab.org/news/news_letter/index.html

If this were an actual Tornado Warning, this message would be directing 
you to take cover immediately in a Severe Wind take cover area.

/This message is being sent on behalf of Jefferson Lab's ESH&Q Division 
and Emergency Manager./

Thank you and best regards,
Deb Magaldi
Public Affairs
Jefferson Lab
269-5102
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