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June 4th featured a stationary front draped across southern Nebraska stretching east of a lee trough in eastern Colorado as the remnants of an MCV drifted across eastern Kansas. This setup would bring dewpoints near 60°F into southern Nebraska bringing with it MLCAPE values around 2,000 J/kg. I was expecting a few supercells along the front west of Grand Island so decided after work to head west and check stuff out.

A lee cyclone was forecast to develop across western Kansas and cause a dryline to sweep east across the state while a warm frontal zone was expected to strengthen and lift into Southern Nebraska. SPC had an enhanced risk forecast in the southeast portion of Nebraska.