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05/24/2013 | The K7RA Solar Update
Solar activity remains quiet, but on May 16 the daily sunspot number reached 212. I had to keep searching further and further back in the records to find a higher sunspot number. One year, six months and one week earlier -- November 9, 2011 -- the sunspot
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05/17/2013 | The K7RA Solar Update
Since we are now at (or close to) the peak of Solar Cycle 24, it is no surprise that the solar indices are up. The latest forecast predicts Solar Cycle 24 to peak this fall, but that will be determined after the fact, and it will be based on a long runnin
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05/10/2013 | The K7RA Solar Update
This week, the average daily sunspot numbers remained about the same, with the number nudging up from 120.9 to 121.7, while the average daily solar flux numbers went from 136.5 to 137.5. For the past two weeks, the average planetary A index has been the s
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04/12/2013 | The K7RA Solar Update
Both the average daily sunspot numbers and the solar flux were up this week, with the sunspot numbers rising nearly 57 points to 138.1, and the average daily solar flux up more than 25 points to 138.8. Paired with the average daily planetary A index dropp
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02/22/2013 | The K7RA Solar Update
There was a modest rise in the average daily sunspot numbers over the past seven days, rising 27 points to 78.3, while the average daily solar flux was up marginally, only 1.6 points to 105.6.
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02/15/2013 | The K7RA Solar Update
Solar activity continues at the low levels that we have seen in the past few weeks. The sunspot numbers have been remarkably consistent, with the average daily numbers for the weeks since January 17 at 56.4, 55.7, 50.7 and finally 51.3 for this past week.
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01/25/2013 | The K7RA Solar Update
The average daily sunspot numbers this past week dropped nearly 73 points to 56.4, while the average daily solar flux declined nearly 47 points to 110.7. The average geomagnetic indices were up about 50 percent, but it was still very quiet.
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01/11/2013 | The K7RA Solar Update
After last week’s somewhat downbeat look at sunspot cycles -- current, past and future -- we sure have some great activity to report this week: The average daily sunspot number more than doubled in the past week, rising nearly 93 points to 163.3, while th
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