Solar

The K7RA Solar Update

06/23/2017 Average daily sunspot numbers rose this reporting week (June 15-21) from 4.9 to 29.4. The previous week had four days with no sunspots, and this week there were no zero sunspot days, hence the…

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The K7RA Solar Update

06/16/2017 At 2311 UTC on June 14 the Australian Space Weather Forecast Centre issued a geomagnetic disturbance warning: “In the second half of the first UT day (15 June) the solar wind is expected to…




The K7RA Solar Update

06/02/2017 At 2336 UTC on June 1, the Australian Space Weather Forecast Centre issued a Geomagnetic Disturbance Warning for June 2. “The solar wind is expected to be influenced by a High-Speed Solar Wind Stream…


The K7RA Solar Update

05/26/2017 At 2344 UTC on May 23, the Australian Space Forecast Centre issued a geomagnetic disturbance warning for May 26-27. On May 26, they predict a minor to major storm warning and on May 27…


The K7RA Solar Update

05/19/2017 The Australian Space Weather Forecast Centre issued a geomagnetic warning at 0301 UTC on May 19: ”Geomagnetic conditions may rise to minor storm levels late on 19 May. Geomagnetic activity is expected to remain…