Solar storm warning for this weekend as 'high-speed stream' ejected from Sun

A solar storm is predicted for this weekend after a “high-velocity stream” was ejected from the sun.

Experts at NOAA’s Space Weather Prediction Center (SWPC) say satellites and the power grid on Earth could be affected, with the region of influence primarily poleward of 60 degrees geomagnetic latitude. reports The Express.

Solar storms are ranked on a scale, with “G1 Minor” to “G5 Extreme” being the smallest.

The US Space Weather Center (SWPC) expects this to be a G1 storm, which will light up skies primarily in the US.

SWPC said, “Improving circumstances are forecast late January 15 when a recurrent negative polarity high-velocity current geoimpacts a coronal hole.”

Spaceweather.com reports that “smaller G1 class geomagnetic storms” are possible Sunday when a “stream of high-speed solar winds” are expected to impact Earth’s magnetic field.

They add: “The gaseous material emanates from a southern hole in the Sun’s atmosphere.

“Arctic auroras could appear as early as January 15 in response to a corotating interaction region that precedes the stream.”

The weakest solar storm can still cause problems on Earth, but it’s at the stronger end of the scale where it can become dangerous.

According to NASA’s Space Place website, when CMEs collide with Earth’s magnetosphere, “all that extra radiation can damage the satellites we use for communications and navigation…it can disrupt power grids that supply our power.”

Low-frequency radio signals could be blocked for hours, and power outages could last for days if a storm disrupts power transformers.

The SWPC said: “During storms, the currents in the ionosphere, as well as the energetic particles falling into the ionosphere, add energy in the form of heat that can increase the density and density distribution in the upper atmosphere, causing additional stress on satellites.” in low earth orbit.

“Local warming also produces strong horizontal fluctuations in ionospheric density, which can modify the path of radio signals and cause errors in position information provided by GPS.”

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