According to the SPC: “The HIGH risk area almost always means a major severe weather outbreak is expected, with great coverage of severe weather and enhanced likelihood of extreme severe (i.e., violent tornadoes or extreme convective wind events over a large area).”

A storm entering on the West Coast will transition into the Rockies and Plains this week, sparking numerous threats ranging from snow-induced travel delays, wildfire threats, damaging winds and severe t-storms. "This discovery is both surprising and exciting."