Spaceweather.
SOLAR WIND, INCOMING: A stream of solar wind is approaching Earth. Estimated time of arrival: Jan. 17-18. Its source is a Southern hole in the sun's atmosphere. NOAA forecasters expect the solar wind speed to top 500 km/s when the stream arrives, probably sparking Arctic auroras?

SOLAR MINIMUM CONDITIONS ARE IN EFFECT: Solar Minimum, how can we miss you if you won't go away? Sunspots have disappeared, leaving the sun as blank as a billiard ball.
Without sunspots, the sun's X-ray output has flat-lined, and the chance of strong flares has plummeted to less than 1%. Solar activity is very low.

The return of Solar Minimum is only temporary. New Solar Cycle 25 is well underway, and only last month the sun was peppered with spots every day. Young solar cycles often "take a break" as they gather energy for the ascent to Solar Max. Indeed, new sunspots might be just around the corner?

Graham (G4FUJ)

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