NOAA: Chance of Further M-Class Flare 40%

Emerging sunspot AR1931, the spot that gave off an M3,5 still harbors the energy for flares. NOAA estimate the risk at 40% over the next 24-48 hours.

Chris Carrington

Published on

December 21, 2013

Emerging sunspot AR1931, the spot that gave off an M3,5 still harbors the energy for flares. NOAA estimate the risk at 40% over the next 24-48 hours.

The chance of an X-class flare has risen from 0.5% to 10% over the same time period.

Todays sunspot number is 137.

A solar wind blowing from a coronal hole on the Earthside of the Sun will arrive on December 25th.

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