Flash floods in Southern US, severe storms in Northeast and tornado risk in Mid-Atlantic + warnings

Before first taste of Arctic cold air, stormy weather makes problems in parts of US.

In southern US, severe storms has appeared on Tuesday and Wednesday and continues on Thursday and Friday, with flash floods from Dallas to Nashville area.

Severe storms in Northeast are linked with powerful cold front, which brings cold air already in Northern Plains and severe winds, to Midwest, too. Stormy weather is linked with tornado watch in the region. The most severe storms hits Washington D.C. area.

In parts of Mid-Atlantic and Northeast has fallen 150 – 300 % of normal rainfall since 1. August 2020 according to Accuweather and this pattern will be continue minimally till half of September 2020.

Stormy pattern will be continue during next week in powerful frontal wave between extremely cold Arctic air in the north and east and warm air in the south and east /https://mkweather.com/2020/09/03/extremely-cold-next-week-in-central-us-temperatures-20c-below-average-extreme-storms-on-frontal-wave-and-rarely-snowing//. Is expected, that storms will be stronger than during current week.

What Happens During a Lightning Storm?

Expected areas with severe storms from Monday to Saturday 7.-12. September 2020 /wxcharts.com:

Infographics from Weather Nation and Accuweather:

Mkweather warnings for Thursday – Friday 3.-4. September 2020:

Illustration photo: https://www.thoughtco.com/things-to-never-do-during-lightning-storm-3444265

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Author: marekkucera
Writer about weather since 2007. The goal of this project is to inform a wide audience about extremes of weather, atmospheric circulation, and climate change around the world. If you like our work, you can support us on Patreon or donate.