NEW: Central US Winter Storms February 2021 UPDATED: Arctic Amplification UPDATED: Winter Storm Risk Increase Tweet: Preliminary 72 hour rain amounts, 4am Tuesday, February 21, 2017 by NWS Sacramento on Twitter Original Tweet: Check out this morning's preliminary 72 hour rain amounts. More scattered showers & possible tstorms are expected today. #CAwx #CAstorm Go to Site Related Events California President's Day Weekend Floods February 2017