PDS warnings were first used to warn of tornado ... Johns, in conjunction with a tornado watch. That came after a “failed attempt in the late 1970s," Johns said in an interview in the Electronic ...

The rare, National Weather Service-issued PDS warning is for 'extremely rare and dangerous fire weather conditions that have ...

The National Weather Service's Los Angeles page screams “Particularly Dangerous Situation (PDS)” in hot pink letters against ...

PDS warnings were first used to warn of tornado ... Johns, in conjunction with a tornado watch. That came after a “failed attempt in the late 1970s,” Johns said in an interview in the ...