The particularly dangerous situation alert is relatively new to Southern California but has been issued before the recent wildfires that have caused devastation across LA County.

It is a rare warning aimed at seizing attention ahead of extreme wildfire risk that is predicted to start in southern ...

Think of PDS or "particular dangerous situation" as the National Weather Service's Rolls Royce for fire weather.

Particularly Dangerous Situation, or "PDS" for short, is the most extreme advance notice that can be issued for expected ...

PDS warnings were first used to warn of tornado outbreaks in the Midwest. More than a decade ago, three meteorologists proposed expanding their use to disasters such as ice storms, floods ...

WE ARE ON IT. SO IS HEATHER. SO WHAT ARE YOU SEEING? HEATHER? WELL, THERE WAS A TORNADO WARNING IN EFFECT FOR NORTHERN TEHAMA COUNTY, BUT ON OUR MAPS HERE, THAT WARNING WENT AWAY, INDICATING THAT ...

By John Yoon A winter storm in Northern California spawned a tornado on Friday, setting off a warning for people to seek shelter urgently. The tornado was confirmed around 5:30 p.m. local time ...

A strong thunderstorm birthed a rare tornado on Friday evening near Paynes Creek in Tehama County, close to the Shasta County border in Northern California, according to meteorologists.

A strong thunderstorm birthed a rare tornado on Friday evening near Paynes Creek in Tehama County, close to the Shasta County border, according to meteorologists. Scientists will study video and ...

The U.S. National Weather Service has issued a tornado warning for parts of Northern California. The NWS told people to "take shelter now." Video above from Scotts Valley tornado. The warning was ...