National Weather Service United States Department of Commerce

Showers and Thunderstorms for the East; Cooler Temperatures Return Sunday into Early Week

Showers and thunderstorms will accompany a cold front that will move across the eastern third of the country through Sunday. In the wake of this front, cooler temperatures will follow for most areas east of the Rockies. A wet pattern is expected to unfold across most of Florida this week with a persistent onshore flow and increase rip currents. For Hawaii, a return toward more rain the week ahead. Read More >

January 23rd Storm in Contra Costa County



A very strong thunderstorm went through a portion of Contra Costa County near Brentwood and Discovery Bay on Saturday, January 23rd. The following pictures were taken by Diane Rybicki of the Contra Costa Water District and are used here with her permission and the permission of the Contra Costa Water District.

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A low topped super cell produced an EF0 tornado near Brentwood. The tornado crossed power lines and destroyed a utility pole. An eyewitness described the tornado as high winds from swirling white cloud. The pole was twisted to the ground and the top one-third of the 40-foot pole was splintered. Fifty-five customers lost power at 12:54 p.m. PST.

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Radar Loop of the Low Topped Cell.  Tornado location noted on map