India, March 15 -- Union, Missouri, is dodging a dangerous storm system that will bring heavy debris and quick tornadoes.

15-year-old weather X-based enthusiast Moore Weather warned, "Tornado sirens going off in St. Louis county. Heading into the city. Take shelter NOW. A tornado is on the ground!"

Typically, sirens sound for three minutes in Missouri. The siren stopping does not mean there's an end to the weather threat.

Notably, on Friday, a tornado was spotted in Rolla, in Phelps County, moving northeast at 70kmph.

The area has been put under the highest risk of a severe weather zone a region has seen in recent memory, a Level 4 out of 5, by the National Weather Service. Crawford, Franklin, and Gasconade counties are under warning....