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01/02/2015 | The K7RA Solar Update
The K7RA Solar Update
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12/05/2014 | The K7RA Solar Update
A substantial increase in solar activity this week.
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05/03/2013 | The K7RA Solar Update
Solar activity made a healthy jump over the past week, with the average daily sunspot numbers up more than 30 points to 120.9, while the average daily solar flux increased more than 27 points to 136.5.
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02/01/2010 | It Seems to Us: Where Are the Spots?Sunspots, that is. Those of us who follow solar activity the way most people follow the weather had expected that by now our Sun would have developed a nice pox. Instead, we seem to be stuck in a trough of low solar activity.
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08/21/2009 | The K7RA Solar Update
The quiet Sun continues to baffle us. If there are no sunspots today -- and I don't expect any to emerge -- this will be the 42nd day in a row with no sunspots; July 10 was the last day we saw any spots. There is really no way to predict when the next sun
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07/24/2009 | The K7RA Solar Update
No new sunspots yet, but a big surprise this week with aurora and a geomagnetic storm: Sunspot activity peaked around 0300-0900 UTC on Wednesday July 22, with K index as high as 6. The planetary A index for the day was 24. You can see the K index variatio
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06/01/2009 | NASA Releases New Predictions for Solar Cycle 24
An international panel of experts -- led by the National Oceanic and Atmospheric Administration (NOAA) and sponsored by NASA -- has released a new prediction for the next solar cycle: Solar Cycle 24 will peak in May 2013 with a below-average number of sun
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05/11/2009 | Scientists Predict Solar Cycle 24 to Peak in 2013
At the annual Space Weather Workshop held in Boulder, Colorado last month, an international panel of experts led by NOAA's Space Weather Prediction Center (SWPC) predicted that Solar Cycle 24 will peak in May 2013 with 90 sunspots per day on average. If t
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