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A powerful geomagnetic storm is headed towards Earth, space forecasters say

Science

A powerful geomagnetic storm is headed towards Earth, space forecasters say


By TechThop Team

Posted on: 18 Aug, 2022

The sun could produce a powerful geomagnetic storm later this week, which could impact Earth's atmosphere, according to forecasters who are monitoring space weather.

A geomagnetic storm watch was issued by the NOA Space Weather Prediction Center on Wednesday following recent eruptions on the sun that have caused strong solar flares as well as multiple coronal mass ejections that could hit the planet on Thursday.

The National Oceanic and Atmospheric Administration (NOAA) defines a geomagnetic storm as 'a major disturbance of the magnetosphere surrounding Earth caused by an efficient exchange of energy between the solar wind and the surrounding space environment.'.

“The largest storms that result from these conditions are those brought about by solar coronal mass ejections, when a billion tons or so of plasma from the sun, with its embedded magnetic field, crashes on Earth,” the NOAA explains.

The expected storm could reach a level of 3 out of 5 on the geomagnetic storm severity scale despite most of this week's disturbances having little to no impact.NOAA said that this could cause power grid fluctuations and briefly disrupt satellite, radio, and GPS communications.

As per the official space forecast, the aurora could be seen over the Northeast, the upper Midwest, parts of the north-central states, and perhaps over Washington's northwest corner.

Some skywatchers anticipate a brighter light show in the future due to the possibility of multiple coronal mass ejections colliding - a celestial event known as 'cannibal coronal mass ejections'.

A Fox Weather meteorologist told ABC News in July that the northern lights were “so bright” that photographers captured the colorful show even in the heart of Seattle, where light pollution muffles visibility most of the time.

As astronomer Tony Phillips wrote in a blog post, 'the sun just released a cloud of cool, dark plasma into space.' There will be an impact so be sure not to miss it.

However, don't worry too much if you miss it. NASA said last month that solar events will continue to grow in the current solar cycle as we approach 2025 when the sun will be at its maximum.

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