The first storm in a two-part series has made its way to Southern California before the main storm begins Thursday, increasing the danger of flash flooding.

A powerful Pacific storm fueled by an atmospheric river is set to bring heavy rain, strong winds and mountain snow to California on Thursday.

Torrential rain has brought New York City to a near-standstill, with large areas hit by flash floods. The BBC was inside US Secretary Antony Blinken's last briefing when the interruption occurred.

A Flood Watch continues through Sunday night. Video taken by Jesus Figueroa ... enhanced by a frontal boundary. A Flash Flood Watch was issued for much of New Mexico over the weekend.