Elmhurst Lightning Sirens

Thor Guard 1st gen sensor & Whelen L51 - Wilder Park Conservatory. Taken 6/8/21, copyright Christopher Aylward.

Thor Guard 1st gen horns & Whelen L51 - Plunkett Park, all of the horns are facing away from the park. Taken 6/8/21, copyright Christopher Aylward.

Thor Guard 1st gen horns & Micro-Burst strobe - Eldridge Park. Located at the top of a sledding hill.  Taken 6/8/21, copyright Christopher Aylward.

Thor Guard 1st gen horns & Whelen L51 - Butterfield Park. Taken 6/8/21, copyright Christopher Aylward.

Thor Guard 1st gen horns & Whelen L51 - Berens Park. Taken 6/8/21, copyright Christopher Aylward.

https://www.youtube.com/watch?v=BFg3O-bevjA