SF News Remember: Emergency Sirens Go Off at 10:15 AM Today At 10:15 a.m. today, all 93 emergency sirens in San Francisco will go off. It's all part of the Great Shakeout. Millions of Californians will take part in in "the largest
SF News San Francisco Emergency Sirens: Tomorrow, Thursday, 10:15 AM Every week at noon, we hear SF emergency sirens fill the air with their hypothetical shrieking. This isn't unusual. What is unusual, and what you need to know, is that they will go
