We see weather headlines year round from winter to severe weather in the summer, but there is a set hierarchy to them.

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 ...

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 ...

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 ...

The National Weather Service's Los Angeles page screams “Particularly Dangerous Situation (PDS)” in hot pink letters against a gray background. It's a rare warning aimed at seizing attention ...

PDS' Warnings Were Made to Grab Attention in Tornadoes, Hurricanes, and Now Wildfires The National Weather Service's Los Angeles page screams “Particularly Dangerous Situation (PDS)” in hot ...

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 ...

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 ...