Flooding can result from heavy rains, tropical weather, or thunderstorms. Los Angeles County Public Works provides a floodway map that continuously maps flood hazards. Per the flood map, USC is located within the lines of the flood zone.

What to Know

  • Urban & small stream flooding refers to the ponding of water on streets, underpasses, low-lying areas, storm drains as well as small creeks and streams.
  • Areal flooding normally refers to more widespread areas and results from a gradual ponding or buildup of water in low-lying areas caused by prolonged and persistent moderate to heavy rainfall.
  • Flood WATCH– Issued when the potential for flooding exits.
  • Flood WARNING (Areal or Urban & Small Stream Warning)-Issued when flooding is imminent or in progress.
  • Flood Advisory (Areal or Urban & Small Stream Advisory- Issued when flooding is expected to be of inconvenience, but not necessarily life-threatening.

What to Do

  • Avoid flooded roads, paths, sidewalks, and areas that could be damaged under the floodwaters.
  • Turn around and go another way.
  • Be especially cautious at night when it is harder to recognize flooding dangers.
  • Notify DPS at (213)-740-4321 of flooding conditions on campus.

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