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Video shot by ABC30 Insider, Stephen Kinnett, shows a small flash of lightning as storms clouds slowly begin to funnel.
A tornado warning was issued from 3:50 p.m. to 4:15 p.m.., but NWS said they cannot call the sighting a tornado until there are reports of damage, or visual proof the funnel touched the ground.
4:48 PM - Public Information Statement regarding Tornado Warning issued at 3:50 PM and has expired at 4:15 PM. The Tornado Warning was valid only for portions of Mariposa (south central) and Madera (northwestern) Counties. #CAwx pic.twitter.com/X34RGl5Gg5— NWS Hanford (@NWSHanford) February 3, 2019
NWS said there was a "very impressive tornadic signature" in the area of the funnel cloud.
An EF1 tornado touched down in Fresno County on Jan. 18.
RELATED: Tornado that touched down in Fresno County upgraded to EF1