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.
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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.
