Published: Wed, May 02, 2018
World News | By Laverne Osborne

Severe weather awareness week: Severe Thunderstorms

Severe weather awareness week: Severe Thunderstorms

Hail and strong winds are some of the biggest severe weather drivers across southern Colorado. Another round will bring an increased threat of severe weather, including tornadoes, to more heavily populated areas on Tuesday. These threats of medium to large hail, strong wind gusts of up to 70 miles per hour and heavy rain largely impact areas in the north central part of the state, stretching east to north of Topeka and well into south central and southeast Nebraska. The time frame to see storms begin to develop will be between 4 and 6 this evening, but strong to severe storms are possible as late as midnight.

The National Weather Service in Grand Forks a year ago issued 34 separate tornado warnings and 144 severe thunderstorm warnings in its 35-county coverage area.

An active jet stream is setting up an active storm pattern that will move over the USA heartland and produce multiple days of severe weather starting Monday and continuing through Wednesday.

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Friday through Tuesday will bring highs in the upper 70s-low 80s and lows in the 50s due to lower humidity so a great opportunity to have the windows open and turn the AC off. The High Resolution Rapid Refresh forecast model is showing storms beginning around 5 p.m.to 7 p.m. with potentially discrete supercell thunderstorms in central Kansas and southeast Nebraska. The weather pattern makes a multi-day severe weather event likely across the middle of the country. The flooding chance is far more uncertain than the overall chance for severe weather though.

Minneapolis reached 80 degrees on Monday, the first time since September.

Meanwhile, east of the severe storms, very warm air is surging into the Midwest and Northeast.

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