Spaceweather: Severe CMEs and Low Altitude Auroras

Aurora – Taken by Michael Underwood on March 24, 2023 @ Mammoth/Yellowstone National Park – Aurora GallerySPACEWEATHER.COM NEWS: 03/25/2023

SEVERE GEOMAGNETIC STORM: Forecasters did not see this one coming. On March 23-24, auroras spread into the United States as far south as New Mexico (+32.8N) during a severe (category G4) geomagnetic storm–the most intense in nearly 6 years. The cause of the storm is still unclear; it may have been the ripple effect of a near-miss CME on March 23rd.

“For about 30 minutes we watched as auroras danced and simmered in the sky above Yellowstone National Park,” says Michael Underwood, who photographed the light show from the Mammoth Hot Springs at latitude +45 degrees.

Other notable mid- to low-latitude sightings were made in Virginia (+38.7N), Colorado (+40.4N), Missouri (+40.2N), Colorado again (+40.6N), Nebraska (+42.4N), Nebraska again (+41N) and North Carolina (+36.2N). More than half of all US states were in range of the display.

6 Transformer/CIMI (kee mee), Cherokee, Twins/ TAKATO’KA, Destiny Kin 6
March 25, 2023 (03/25/2023)

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