Heavy rain pummeled parts of the Coachella Valley and the Mountain Fire burn area before dawn Sunday, causing flash flooding in the mountains and resulted in the closure of a Palm Springs street.
And more storms moved in, prompting the National Weather Service to issue a flash flood warning for the Mecca, Coachella and Indio area to remain in effect until 12:45 p.m.
Slow moving thunderstorms producing heavy rainfall will likely result in flash flooding in the extreme lower part of the Coachella Valley near the Salton Sea, the NWS reported.
The excessive runoff from heavy rainfall will cause flooding of small creeks and streams, according to the NWS.
About 1.5 inches of rain fell overnight at the top of the Palm Springs Aerial tramway, and thunder dancing around the Coachella Valley was the talk of Twitter in the wee hours.
The Riverside County Sheriff's Department reported no major crashes in the Coachella Valley. But Palm Springs police reported that runoff down Palm Canyon Wash led to the closure of Araby Road at 6 a.m. south of East Palm Canyon Road, Sgt. Kyle Stjerne said.
There were no major incidents to report in Palm Springs, Stjerne said.
In Cathedral City, runoff led to the brief closure of Cathedral Canyon Drive at the Whitewater Wash. It was closed to traffic at noon, but reopened about 90 minutes later, city spokeswoman Leisa Lukes said.
The street had been closed south of Dinah Shore Drive and north of Perez Road, Lukes said.
Near the Salton Sea, a heavy downpour prompted flash flood warnings for Mecca and Oasis. But no damage was reported.
Heavy rain also caused some flash flooding near Borrego Springs, in San Diego County.
Rock slides and debris were reported overnight in the area burned by the Mountain Fire, which has scorched 27,245 acres. But after the rain, observed fire activity was significantly less than Saturday, when a huge cloud was generated by the fire itself.
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