Storm Drenches Riverside County on Its Way Out of Southern California - NBC Southern California

Storm Drenches Riverside County on Its Way Out of Southern California

Most of the region will dry off Thursday after the first rainstorm of the season

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    NEWSLETTERS

    What to Know

    • Rain will move out of the area Thursday morning

    • Overnight showers caused flooding in Corona

    • The storm brought the first rainfall of the season to Southern California

    Overnight rain flooded roads in parts of Riverside County Thursday as an early season storm began moving out of Southern California.

    In Corona, a strong rain cell dropped steady rain and caused limited visibility. Minor flooding was reported near Rincon and Auburndale streets.

    Most of the region will dry off Thursday after two storm systems dropped over a quarter-inch of rain in the Riverside metropolitan area and between one-tenth of an inch and a quarter-inch of rain in the Coachella Valley over the past three days. Isolated showers are expected in Riverside County this morning before the storm system heads east this afternoon.

    Moisture from Hurricane Rosa -- now a tropical depression -- brought light rain to the region Monday and Tuesday before a separate low-pressure system originating in the eastern pacific brought showers and thunderstorms Wednesday.

    Riverside received three-tenths of an inch of rain over the last three days, with most of the rain falling Wednesday.

    The storm dropped just over one-tenth of an inch in Indio and nearly a quarter-inch of rain in Cathedral City over the last three days.

    Periods of heavy rainfall prompted flash flood warnings, primarily for the area affected by the Holy Fire. The Riverside County Emergency Management Department issued a voluntary evacuation advisory at 3 p.m. Tuesday as storm cells developed over the Cleveland National Forest between Anaheim and Lake Elsinore, where the Holy Fire scorched 23,000 acres between Aug. 6 and Sept. 13. 

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