I saw your photo on imgur, i'm sure if you were talking about the new Whelen's or the last Thunderbolt that is still in good condition?

It's a shame Minneapolis got rid of the vintage sirens, i remember Falcon Heights having a Thunderbolt on the roof of the Agriculture Center at the State Fair grounds, i saw it when i rode the Space needle for the first time. At least there is one Thunderbolt in the system, Hopefully it will stay th...