The Hastings-Nebraska City Nebraska tornado family

On the morning of September 16, 2021, a warm front moved through southeastern Nebraska and created record high temperatures for the month and a very unstable atmosphere. A moderate risk of severe weather was issued for much of southeastern Nebraska and extreme Northern Kansas. This included a high, 30% hatched area risk for tornadoes. At 1643 pm, a large Supercell thunderstorm was located over Hastings.

Tornado 1 (Western Hastings-EF0)
The first tornado dropped out of a supercell