Tag: CME

via the ARRL: Solar Flares Spark Radio Blackouts, Auroral Displays Possible

NOAA’s Space Weather Prediction Center (SWPC) has issued a strong (G3) geomagnetic storm watch for September 7 through September 9. The SWPC said the watch for September 7 remains in effect due to the arrival of a coronal mass ejection (CME) and the effects of a CME on September 4. “Additionally, a G3 watch is […]

Space Weather Prediction Center Upgrades Geomagnetic Storm Watch to G3 (Strong)

NOAA’s Space Weather Prediction Center (SWPC) has upgraded its geomagnetic storm watch for today and tomorrow (September 6 and 7) to G3 (Strong). “The G3 Watch is in anticipation of the expected arrival of a coronal mass ejection (CME) that took place in association with an M5 flare,” the SWPC said. The Center said its […]

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