You are browsing the archive for SDO Archives - Dan's Wild Wild Science Journal.
12 July 2012
X-Class Solar Flare Today Was Facing Earth. Major Geomagnetic Storm Possible
Late word from NASA this evening is that the X 1.4 solar flare today IS headed in our direction, and may produce a moderate to severe geomagnetic storm on Saturday when it arrives. It may produce auroras Saturday down to a latitude of 35 degrees! There is also a significant risk for geostationary satellites and cross polar flights will likely be impacted as well due to HF radio blackouts and some minor radiation risk. The flare produced a notable CME that will take …