This is what happens when a stream of solar wind traveling 1.3 million mph strikes Earth’s magnetic field

0


Earth is exiting a stream of solar wind that sparked a G1-class geomagnetic storm and magnificent auroras when it first arrived on Jan. 31st and Feb. 1st. But what happens when a stream of solar wind traveling 1.3 million mph strikes Earth’s magnetic field? Well look at this magnetometer chart situated in Preston UK:

The chart clearly shows the arrival of a high-speed solar wind stream on Jan. 31st,” says Green. “Magnetic unrest intensified over the following 24hrs to create a G1-class geomagnetic storm.

aurora g1 magnetic storm, aurora g1 magnetic storm february 2019, aurora g1 magnetic storm photo, aurora g1 magnetic storm picture, aurora g1 magnetic storm 2019
Taken by Jaromir Stanczyk on February 3, 2019 @ Iceland, Reykjavik. via Space Weather Gallery

The squiggles in the chart represent changes in the local magnetic field caused by the buffeting of solar wind high overhead.

aurora g1 magnetic storm, aurora g1 magnetic storm february 2019, aurora g1 magnetic storm photo, aurora g1 magnetic storm picture, aurora g1 magnetic storm 2019
Taken by Marketa S Murray on February 1, 2019 @ Fairbanks – Alaska. via Space Weather Gallery. By The Aurora Chasers

They are the magnetic manifestation of auroras dancing at the same time around Arctic Circle.

aurora g1 magnetic storm, aurora g1 magnetic storm february 2019, aurora g1 magnetic storm photo, aurora g1 magnetic storm picture, aurora g1 magnetic storm 2019
Taken by Marianne Bergli on January 31, 2019 @ Kvaløya, Tromsø, Norway. via Space Weather Gallery. By Marianne’s Heaven on Earth Aurora Chaser Tours

The sensor is buried in my garden about 0.5 meters below the surface in an East/West orientation,” he explains. “This allows very sensitive (sub nanotesla) measurements of magnetic declination during geomagnetic storms. The plot shows the change in magnetic flux density in nanotesla occurring between readings every few minutes.

Follow us on Facebook and Twitter or become a Patron on Patreon / donate through Paypal. Please and thank you

[SpaceWeather, SpaceWeatherGallery]

LEAVE A REPLY

Please enter your comment!
Please enter your name here

This site uses Akismet to reduce spam. Learn how your comment data is processed.