On 22/03/2021 10:58, Martin Brown wrote:
The phrase space weather is often used to describe the interaction of
the solar wind with the Earth's ionosphere. This latest observation of a
magnetic hurricane spiral plasma structure is somewhat unexpected.
https://physicsworld.com/a/space-hur...er-atmosphere/
I wonder if any connection with sprites, upward lightning discharges,
also unknown till fairly recently.
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Global sea level rise to 2100 from curve-fitted existing altimetry data
http://diverse.4mg.com/slr.htm