Categories: Solar Astronomysun

NOAA: Largest Solar Radiation Storm Since 2005 Now in Progress

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Earth’s magnetic field is already full of activity from an Earth-directed Coronal Mass Ejection (CME) last week. But all indications are another blast is headed our way from the strongest solar radiation storm since September, 2005. NOAA says the storm is currently in progress and continues to get stronger, with a very fast CME headed towards Earth. Sunspot 1402 erupted, producing a long-duration M9-class solar flare. “Geomagnetic storming is a near certainty from this event,” reported NOAA. The associated solar flare peaked at about 0400 UTC on January 23 (11pm Jan 22 EST).”

A computer model just released by NOAA’s Space Weather Prediction Center forecasts the storm will arrive sometime on January 24, at about 14:18 UT (+/- 7 hours), as the CME is traveling at approx. 2,200 km per second. Click here to see the animated model.

We’ve already shown you a video of the auroral activity going on yesterday and will soon post a gallery of beautiful aurorae from around the world. And it looks like we’ll likely have more photos to share in the coming week! And NASA says skywatchers should be on the lookout for aurora in lower than normal latitudes. Scientists are also predicting that Mars will get hit too, several hours after Earth. At this point, there’s no way to predict the possible effect on Earth-orbiting satellites for communications, GPS, etc, or the effect on Mars spacecraft.

These kinds of events can cause problems for spacecrafts in geosynchronous, polar and other orbits passing could be affected by the cloud’s arrival. In addition, strong geomagnetic storms are possible, so high-latitude sky watchers should be alert for aurorae.

Below is a video from the Solar Dynamics Observatory of the event:

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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