High Wind — San Bernardino and Riverside County Valleys - the Inland Empire, California

2023-12-09 to 2023-12-10 · San Bernardino and Riverside County Valleys - the Inland Empire, California

Event narrative

Gusty Santa Ana winds occurred across the Inland Empire December 9 through the morning on December 10. The following are the strongest wind gusts across the zone:

Devil Canyon: 67 MPH.

Fontana: 66 MPH.

Highland Springs: 65 MPH.

Fontana: 65 MPH.

Rancho Cucamonga: 63 MPH.

CSU San Bernardino: 63 MPH.

Lytle Creek: 61 MPH.

Devore: 61 MPH.

Lytle Creek Wash: 59 MPH.

Wildwood Park: 58 MPH.

Devore: 58 MPH.

Wider weather episode

Gusty Santa Ana winds occurred across Southern California the evening of December 8 through December 10. The peak wind gust of the event was 73 MPH at Marshall Peak (San Bernardino County Mountains). The Elm Fire spread under windy conditions and burned for two days near the San Gorgonio Pass.

Source: NOAA Storm Events Database, event_id 1152498. Narrative written by the NWS forecast office that issued the report.