Huddersfield based Syngenta's Public Warning Siren annual test takes place on Tuesday 25th April between 11:00am and 1pm. The test has been planned with Kirklees Council. 

Prior to the test date an advert will be placed in the Huddersfield Examiner and information packs sent to their neighbours. Read more at www.syngenta.co.uk/publicinformationzone

Depending on the wind direction and other factors you may or may not hear the test.