Thunderstorm Threat Developing West in Nebraska

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Radar at 5:11pm, tornado moving into Emerson, NE. Tornado warning as far NE as Sioux City.

ORIGINAL POSTING---
Here is the radar at 5:03pm. You can see the long-track tornado bearing supercell moving toward Sioux City, IA. Take cover in the red polygon, including Sioux City.
Note the new thunderstorms near Kearney and Broken Bow, NE.

Below is a satellite image of the supercell near Sioux City and the two new ones in central Nebraska.

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