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Bay Area Storm Brings Lightning Strikes, Thunder, Rainbows

SAN FRANCISCO (CBS SF) -- A strong storm packing heavy rain, lightning and hail was blowing through the Bay Area Monday, along with chilly temperatures which could result in a dusting of snow on Bay Area peaks.

The scattered natured of the storm clouds allowed for moments of sun to break through, generating a number of rainbow sightings across the area.

Thunderstorms were expected throughout the morning hours Monday, tapering off by the afternoon and evening. The fast-moving storm front would likely end by Tuesday, with scattered showers giving way to a drying period.

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KPIX 5 weather anchor Roberta Gonzales said the lower temperatures were the result of the coldest air mass over the Bay Area since last Spring. Local mountain snow was expected at 4,000 feet, said Gonzales, which would mean a dusting on Mt. Hamilton and Mt. St. Helena.

Monday morning's rain caused flooding on many Bay Area roads in areas including Oakland, Marin County and San Francisco, according to the California Highway Patrol. Drivers were being urged to watch for standing water on the roads, especially in the outside lanes, and to drive with extra caution.

Total rainfall was relatively light, according to the National Weather Service, with the highest totals expected south in Santa Clara County, Monterey County and eastern San Benito County.

Tuesday was expected to be clear and cool. Inland valleys in the Bay Area are expected to see frost Tuesday night into Wednesday morning, with temperatures dipping into the 30s.

TM and © Copyright 2015 CBS Radio Inc. and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2015 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. Bay City News Service contributed to this report.

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