For example, we've been hearing a lot about red ... But starting 4 a.m. Tuesday, the weather service has issued something called a PDS, or a "particularly dangerous situation" alert.

For example, we've been hearing a lot about red ... says National Weather Service meteorologist Ryan Kittell. Kittell said the "PDS" label was already in use by the National Weather Service ...

The Public Distribution System (PDS) in India is an example of one such safety measure. PDS distributes essential cereals such as rice and wheat as well as sugar and kerosene to people at subsidised ...

Alabama’s PDS tornado watch is the second PDS watch of the day. Parts of Mississippi and Louisiana were put under a PDS watch ...

Proximity Detection Systems (PDS) are leveraging rapidly advancing technology to enhance functionality, according to Anton Lourens, CEO of .