In the last 24 hours there have been at least 3 significant Flares on the sun. As you can see from this image there are several significant sun spots in the view of Earth at this time. This particular event is attributed to sunspot 1882 on the left of the image.
The Live Solar video page shows several of the flares which were captured and are rather impressive to watch.
UPDATE: STRONG X CLASS EVENT
Serial Number: 89
Issue Time: 2013 Oct 25 1528 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: 2013 Oct 25 1451 UTC
Maximum Time: 2013 Oct 25 1503 UTC
End Time: 2013 Oct 25 1512 UTC
X-ray Class: X2.1
Location: S06E69
NOAA Scale: R3 – Strong
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
Radio – Wide area blackout of HF (high frequency) radio communication for about an hour.
Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-solar point.
ORIGINAL Alery – Issue Time: 2013 Oct 25 0848 UTC
SUMMARY: X-ray Event exceeded X1
Begin Time: 2013 Oct 25 0753 UTC
Maximum Time: 2013 Oct 25 0801 UTC
End Time: 2013 Oct 25 0809 UTC
X-ray Class: X1.7
Radio – Wide area blackout of HF (high frequency) radio communication for about an hour. This flare is attributed to Region 1882
NOAA Space Weather Scales (meaning of R1,
S1, Etc.) can be found at https://www.knowledgeorb.com/current-space-weather/noaa-space-weather-scales/
For more detailed current Space Weather visit KnowledgeOrb Space Weather at https://www.knowledgeorb.com/current-space-weather/
Aurora viewing updates can be seen on the KnowledgeOrb Aurora viewing page. https://www.knowledgeorb.com/current-aurora-borealis-activity-viewing/