Geomagnetic storm warning issued!Solar wind may trigger solar storms, stellar auroras appear around the Arctic Circle

Geomagnetic storms have increased in frequency and intensity in recent weeks. This may be due to the upcoming Solar Cycle 25, which may boost solar activity. As a result, we may see more intense and frequent solar storms, geomagnetic storms, coronal mass ejections, and solar flares. Now, forecasters have issued a geomagnetic storm warning due to the approaching solar wind.

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Geomagnetic Storm Warning

According to space weather ReportForecasters from the National Oceanic and Atmospheric Administration (NOAA) revealed that a solar wind is heading towards the Earth and may sweep over the Earth’s magnetic field. A G-1 geomagnetic storm is expected to form on April 4. For the uninformed, G-1 geomagnetic storms are considered small storms and are less intense. However, under certain circumstances, they may trigger shortwave radio blackouts.

The National Oceanic and Atmospheric Administration also says geomagnetic storms may trigger auroras. Streaks of stellar light may be seen streaking across the sky around the Arctic Circle, while faint auroras may extend as far as the U.S.-Canadian border.

Also read: X-class solar flare hits Earth, causing radio outage in Pacific Ocean

The report states, “NOAA has issued a small (G1) geomagnetic storm warning for April 4, when solar winds are expected to sweep through the Earth’s magnetic field. This storm may produce bright naked-eye auroras around the Arctic Circle and near the U.S.-Canada border Areas to the south will also see darker auroras.”

How are auroras formed?

According to NASA, solar particles are released when solar storms interact with Earth’s magnetic field. These particles interact with gases present in the atmosphere to form auroras, which are most commonly seen in places like the Arctic Circle, Reykjavik, Iceland, and Svalbard, Norway.

Scientists study auroras from multiple vantage points (below, above, and within). NASA missions such as THEMIS investigate the reasons why auroras suddenly transform from slowly flickering waves of light to violently changing streaks of color above. Meanwhile, ground-based telescopes and radar look upward to see what’s happening in the sky.

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