Surprise! An unexpectedly strong geomagnetic storm sparked auroras in northern-tier US states on March 20th.
Space Weather News for March 20, 2021
https://spaceweather.com
https://www.spaceweatheralerts.com
AURORAS IN THE USA: This morning, auroras spilled across the Canadian border into northern-tier US states during an unexpectedly-strong G2-class geomagnetic storm. The solar wind stream that sparked the outburst is still here. NOAA forecasters say episodes of G1-class storming are likely to continue throughout the weekend. Full story @ Spaceweather.com.
Auroras alerts: Don't miss the next display. Sign up for Space Weather Alerts and receive a realtime text message when geomagnetic storms erupt.
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Above: Auroras over Grand Portage, Minnesota, on March 20, 2021. Photo credit: Marybeth Kiczenski. Browse the Aurora Photo Gallery for more.
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