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 now in effect for the 8 and 9 September UTC days in anticipation of the arrival of ano…
Source: ARRL News
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