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Tad Cook, K7RA, Seattle, reports: Four new sunspots emerged this week and were visible every day. Spaceweather.com issued a warning on April 22: “A CME is heading for Earth. and it could spark a geomagnetic storm when it arrives on April 25. NOAA forecasters say moderately strong G2-class storms are possible, which means auroras could dip into northern-tier US states from Maine to Washington.”A...
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