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Generalized severe weather is forecast Wednesday night in parts from the Midwest, including Chicago, Milwaukee, and Minneapolis. according to the National Weather Service (NWS).
The Midwest, including most of Wisconsin, will be at risk of potential tornadoes, strong storms and hurricane-force winds from Wednesday to early Thursday, as the region is low a severe weather threat level 4 out of 5.
PDS Thunderstorm Watch number 399 has been issued for portions of Minnesota and Wisconsin until 2 am CDT. Widespread damaging wind gusts to 90 mph, large hail, and a couple tornadoes are likely this evening and overnight. See https://t.co/QMmU4tBZDt for more info. # MNwx # WIwx pic .twitter.com / ljdOREP5Jf
– NWS Storm Prediction Center (@ NWSSPC) July 29, 2021
“There will be a favorable pattern over Minnesota / Wisconsin toward Lake Michigan today, supporting intense severe thunderstorms and possible development of the Right later this afternoon,” said the Storm Prediction Center, according to CNN .
8: 06 pm CDT # SPC Day1 Outlook Moderate Risk: over a portion of the upper midwest and g reat lakes region https://t.co/GtEvHQ3UxE pic.twitter.com/X4yp0AEfOe
– NWS Storm Prediction Center (@NWSSPC) July 29, 2021
It is possible that widespread power outages and extensive tree damage occur, especially in Wisconsin, where the level of severe risk is out of four out of five, according to ABC News .
The Threat of a Right -Long duration, straight line and damaging winds associated with thunderstorms that are move rapidly – is part of a larger severe weather outbreak that is expected to affect To over 85 millions of Americans from the upper Midwest to the Northeast over the next two days.
To be called Right, severe storms must have winds greater than 58 mph and cause damage covering at least 250 miles.
Line of severe storms in Wisconsin will cross into northern Illinois in the 1-2 AM CDT time frame. Pockets of wind damage are possible. Have multiple ways to receive a warning overnight should these storms continue or strengthen. # ilwx # inwx pic.twitter.com/zD7h8R3Hsh
– NWS Chicago (@NWSChicago) July 29, 2021
The resulting conditions can be described as a tropical storm over land.
The climatologist of the National Oceanic and Atmospheric Administration (NOAA), Adam Smith, described a right to CNN Weather in 2020 like a hurricane inland, with winds of more of 100 hurricane force mph, lasting up to 45 minutes.
The serious threat will begin in eastern Minnesota in the afternoon and cross Wisconsin in the evening hours. The atmosphere will be prepared for storms thanks to high dew points and warming during the day before a cold front from the Dakotas enters the area and causes severe storms.
The storms will grow and join creating a line of strong winds, possibly with a hurricane strength of 74 mph , causing widespread damage and power outages in the region.
The storms will progress from eastern Minnesota to the southeast during the night and late at night, reaching Michigan and Illinois during the night until dawn.
Heavy rain is expected with the storms, creating dangerous driving conditions. Fortunately, these storms will move very quickly, minimizing the threat of flash floods.
Duties, the most expensive type of severe storms
Rights are extremely costly and dangerous wind events.
They are defined as generalized and long-lasting wind events that cause damage like a tornado but in one direction only. Damages caused by rights are often referred to as straight-line wind damage.
Whenever there is the possibility of severe weather, you should have a plan in place for how you will stay safe before, during, and after the storm.
If the NWS or the media say that a Right is possible , must prepare for communication interruptions and power outages, with sufficient emergency supplies, as if you were about to be hit by a hurricane.
In August 2020, a severe storm affected the Midwest as a right and produced severe wind damage in Nebraska, Iowa, Illinois, Wisconsin, Illinois and Indiana.