Flash Flood Warning issued December 24 at 6:45AM PST until December 24 at 12:45PM PST by NWS San Diego CA

FFWSGX

The National Weather Service in San Diego has issued a

* Flash Flood Warning for…
San Bernardino County in southern California…

* Until 1245 PM PST.

* At 645 AM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 0.75 to 1 inch in 1
hour. Additional rainfall amounts of 3 to 6 inches are possible in
the warned area. Flash flooding is ongoing or expected to begin
shortly.

HAZARD…Life threatening flash flooding. Thunderstorms
producing flash flooding.

SOURCE…Radar.

IMPACT…Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include…
San Bernardino, Fontana, Rialto, Hesperia, I-15 Through The Cajon
Pass, northern Rancho Cucamonga, Devore, Silverwood Lake Rec Area,
Hwy 18 Between San Bernardino And Crestline and Muscoy.
Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.