Flash Flood Warning issued December 24 at 5:51AM PST until December 24 at 11:45AM 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 1145 AM PST.

* At 551 AM PST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 0.75 and 1.5 inches of
rain have fallen. The expected rainfall rate is 0.5 to 1 inches in
1 hour. Additional rainfall amounts of 3 to 7 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…
Wrightwood, Hwy 2 Between Phelan And Wrightwood, northern Rancho
Cucamonga, Hwy 138 Between I-15 And Hwy 2, Pinon Hills, Phelan and
San Antonio Heights.
Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Move away from recently burned areas. Life-threatening flooding of
creeks, roads and normally dry arroyos is likely. The heavy rains
will likely trigger rockslides, mudslides and debris flows in steep
terrain, especially in and around these areas.