FloodZoneMap.org

Flash Flood — Orange, CA

Nov 12, 2003

One to two inches of rain and 4 to 10 inches of snow fell from a slow moving storm system. In the morning hours, mud and rock slides occurred on mountain and foothill highways before rain turned to snow, while streets flooded over the inland and desert valleys. Mud slides also occurred during the afternoon in Valley Center, below areas burned by the Paradise Fire. During the late afternoon and evening, heavy rains from slow moving thunderstorms caused flash flooding near the intersection of Rive

Source: NOAA National Weather Service Storm Events Database (event 5335147). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Orange, CA

This event is one of many recorded floods in Orange County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Orange County flood data →

More Flood Stories

Flash Flood2 deaths$29.7M damage

Orange, CA · Feb 23, 1998

A powerful Pacific storm fed by warmer than normal El Nino conditions in the eastern Pacific, slammed into southern California with strong winds, thunderstorms, and very heavy rain. This was the final in a series of heavy storms which pummelled the region this month.

Read the full account →
Flash Flood$10K damage

Orange, CA · Mar 1, 2023

After one powerful storm struck Southern California in late February, a second storm arrived at the end of February and into early March. This second storm produced several additional feet of snow as well as high winds in the mountains, where many communities were already…

Read the full account →
Flash Flood$80K damage

Orange, CA · Feb 13, 2019

A major atmospheric river impacted Southern California February 13th through 15th bringing heavy rain and high winds. Over the course of 48 hours, many mountain locales recorded 8 to 10 inches of rain, with Palomar Mountain (San Diego County) recording over 10 inches of rain in…

Read the full account →
Flash Flood$25K damage

Orange, CA · Apr 6, 2020

An atmospheric river (300-400 IVT) brought widespread heavy rain to Southern California on April 6th. A few showers lingered into April 7th, but it was low impact.

Read the full account →