There was a whopper of a geomagnetic storm on Mother’s Day, May 8, when the planetary A index reached 70. In Alaska, the college A index was 117. Aurora was visible in North America well south of the northern tier states.
Average daily sunspot number dropped 15.6 points to 59.1 over the past week, and average daily solar flux declined 3.1 points to 88.8.
Average daily planetary A index over the s...
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Average daily sunspot number dropped 15.6 points to 59.1 over the past week, and average daily solar flux declined 3.1 points to 88.8.
Average daily planetary A index over the s...
Continue reading...