The San Francisco Tuesday noon warning siren has been in use since World War II, when the west coast was nervous about an attack from the Imperial Japanese navy and airforce.  San Francisco Bay was a major hub for the US Navy’s Pacific fleet, districts like Treasure Island and Hunters

The San Francisco Tuesday noon siren has been a thing since World War II, when people were ready to hit the bomb shelters at any given moment. In years since, the slightly obnoxious noise has become part of the city’s fabric in the same way locals learn to love all