Really potent setup on tap this weekend for entire Eastern US.
— Philippe Papin (@pppapin) April 10, 2020
The potent upper-level low thats been giving SoCal unsettled weather will finally ejects east & phase w/ another incoming northern stream trough.
End result: a large baroclinic cyclone that deepens to <970-hPa! pic.twitter.com/ohcL4MwTzU