‘A nuclear winter’ over San Francisco bay area, as wildfires blot out the sun

Across Northern California, giant plumes of smoke from a fire that blasted through the foothills of the Sierra Nevada billowed and spread high in the atmosphere, blotting out the sun.

source https://timesofindia.indiatimes.com/world/us/a-nuclear-winter-over-san-francisco-bay-area-as-wildfires-blot-out-the-sun/articleshow/78032271.cms