Here's the latest from the NWS Space Weather Prediction Center in Boulder, Colorado, concerning a solar event that will affect some activities here on Earth. #spacewx #hamradio #HFcommunications

X1.8 solar flare was detected around AR 3590 at 23:07 UTC (Feb 21). More to follow from SolarHam.com #spacewx #swpc #hamradio #hfcommunications