Dec 18, 2023
A warm front ahead of a developing coastal low pressure system positions itself over the area late on December 17th and into December 18th. As the low pressure intensified and approached, significant amounts of moisture focused along the warm front ahead of the coastal low resulting in widespread areas of heavy rainfall that occurred over a 12-18 hour period. PWATs were 1.5-1.7 inches which were near record values. A widespread 2-5 inches of rain fell over the area. This resulted in many areas o
Source: NOAA National Weather Service Storm Events Database (event 1154104). Narrative written by NWS staff at the time of the event.
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.