A Diablo Canyon early-warning system siren on Foothill Boulevard in San Luis Obispo.
A Diablo Canyon early-warning system siren on Foothill Boulevard in San Luis Obispo. Jayson Mellom The Tribune
A Diablo Canyon early-warning system siren on Foothill Boulevard in San Luis Obispo. Jayson Mellom The Tribune

Here’s why you might hear sirens around SLO County on Saturday

August 23, 2018 04:39 PM