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  1. Particularly Dangerous Situation: What is it and when are they …

  2. Particularly dangerous situation - Wikipedia

  3. Weather service issues its most severe fire warning for parts of …

  4. Cheat Sheet: What is a 'PDS' — the most extreme fire weather

  5. What Is the National Weather Service’s PDS Warning?

  6. 'PDS' warnings were made to grab attention in tornadoes ... - MSN

  7. More strong winds forecasted for fire-ravaged Southern California

  8. 'PDS' warnings were made to grab attention in tornadoes ... - WLWT

  9. National Weather Service

  10. NOAA's National Weather Service - Glossary

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