“PDS critical thunderstorm watches are unusual, and reserved for only the strongest thunderstorm activities,” CNN meteorologist Brandon Miller stated. “Wind gusts are anticipated to get to up 100 mph with the line of thunderstorms as rolls throughout northern Illinois and southern Wisconsin.”
A wind gust of a 106 mph in Marshall, Iowa, has presently been documented as this storm handed through.
A derecho (pronounced similar to “deh-REY-cho”) is a prevalent, extensive-lived wind storm linked with a band of swiftly shifting showers or thunderstorms.
This storm sophisticated is in the same area that is also underneath a average danger (level 4 of 5) for severe storms. The SPC upgraded this hazard level Monday afternoon simply because of the formation of the derecho. The chance area features over 13 million people.
In addition to wind destruction, massive hail — 1 and a 50 percent inches in diameter — is attainable and a pair tornadoes attainable.