As reported by NOAA SWPC:
Space Weather Message Code: WARK07
Serial Number: 58
Issue Time: 2015 Sep 11 0854 UTC
WARNING: Geomagnetic K-index of 7 or greater expected
Valid From: 2015 Sep 11 0850 UTC
Valid To: 2015 Sep 11 1400 UTC
Warning Condition: Onset
NOAA Scale: G3 or greater – Strong to Extreme
NOAA Space Weather Scale descriptions can be found at
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The G2 geomagnetic storm is continuing and aurora watchers in northern Europe, including northern England, Scotland and Ireland, should be outside looking now. The Kp-index was fluctuating but is back at Kp-6 again now.
A G2 magnetic storm is continuing although it’s shown signs of faltering. The Kp-index of 6 briefly reduced to 5 within the past two hours, but is now back up to 6 again. Auroral contact reports are again coming from as low as 50 deg N in Europe. Southern Autralia and New Zealand should be getting a good visual show right now.
See the live map at http://tvcomm.co.uk/g7izu/propagation-maps/northern-hemisphere-auroral-propagation/
The aurora is continuing from this suprise solar storm. If your sky is clear get out and look!
A very strong solar storm is in progress with aurora being reported down to 50 deg N across Europe. Auroral conditions have been in progress since around 15h UT. Follow the action on my website here: Auroral contact map