A rare alert called a "Particularly Dangerous Situation" is in effect Wednesday for parts of fire-ravaged southern California ...
Think of PDS or "particular dangerous situation" as the National Weather Service's Rolls Royce for fire weather.
The extreme red flag warning goes into place overnight and ends Wednesday afternoon, the National Weather Service says.
Particularly Dangerous Situation, or "PDS" for short, is the most extreme advance notice that can be issued for expected ...