• Weekend Solar Flare Frenzy Could Spark Geomagnetic Storms

    From ARRL de WD1CKS@VERT/WLARB to QST on Tuesday, May 25, 2021 15:48:41

    The Space Weather Prediction Center (SWPC[1]) has issued a G1 (minor) geomagnetic storm watch for May 25 and a G2 (moderate) geomagnetic storm watch for May 26. These are the result of multiple solar flares on May 22. According to Spaceweather.com[2], NASA's Solar Dynamics Observatory recorded 10 C-class and two M-class flares, sending multiple overlapping coronal mass ejections (CMEs) into space. According to NOAA models, a combined CME will hit Earth's magnetic field late on May 25.

    Spaceweather.com said, "Earth-orbiting satellites detected a dozen explosions in the magnetic canopy of sunspot AR2824. One of them emitted a radio burst so strong, it drowned out static from lightning storms on Earth and was recorded at midnight by listening stations in the Arctic."

    [1] https://www.swpc.noaa.gov/
    [2] http://www.spaceweather.com/

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