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SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
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[quote:Hugh M Eye:MV8xMzgyOTUyXzM3OTY2ODUxXzdDMkM3RDU1] The X-ray background has just dipped below C-level for the first time in 10 hours. http://www.swpc.noaa.gov/rt_plots/xray_1m.html Solarsoft has awarded the C4 flare to AR1750 (its 7th C) although I'm sure I saw 1748 lighting up as well. http://www.lmsal.com/solarsoft/latest_events/ Maybe NASA knew something that NOAA didn't when they neglected to issue any forecast for this CME arrival. So far I see little geomagnetic activity at all. Of course these events can last 10 or more hours, so things may change. The GOES electron flux saw more action the past two nights: http://www.swpc.noaa.gov/rt_plots/elec_3d.html GOES Magnetometer showing a bit of a knot on the graph: http://www.swpc.noaa.gov/rt_plots/mag_3d.html Boulder Magnetometer @13.5 nT isn't even close to 'Unsettled' yet: http://www.swpc.noaa.gov/rt_plots/bou_12h.html The Density at SOHO has calmed down to around 15p/cm3 (Note: Beware of Dog...he bites): http://umtof.umd.edu/pm/ ACE proton density still hasn't cracked the 10 level yet: http://www.swpc.noaa.gov/ace/MAG_SWEPAM_2h.html Unless things change I don't see even a G1 storm from this. Of course if the Bz flips south and the wind speed increases we may see a storm. Where's Mtng. man with the M-flare dance? :dance::dance::dance::dance: [/quote]
Original Message
Please See Current Events Discussion On Last Page :)
We have just had another huge X flare measuring at a X8.2 originating from sunspot 2673
On September 11, 2017
[
link to legacy-www.swpc.noaa.gov
]
ALL flares recorded ARE Earth facing regardless of where the sunspot is located
-----------
CME FROM X9 HAS ARRIVED!
Issue Time: 2017 Sep 07 2242 UTC
WARNING: Geomagnetic Sudden Impulse expected
Valid From: 2017 Sep 07 2255 UTC
Valid To: 2017 Sep 07 2330 UTC
IP Shock Passage Observed: 2017 Sep 07 2229 UTC
On September 6th we have had 2 X flares! A X2.2 at 09:10 utc & a secend larger flare just a few hours later of X9.3 at 12:02 utc. There is a large widespread Earth directed CME associated with this latest X flare as we can see here
[
link to stereo.gsfc.nasa.gov (secure)
]
[
link to stereo.gsfc.nasa.gov (secure)
]
An update as to the arrival time of this CME will be added once all data has been reviewed.
The X9.3 flare is the 14th largest X flare ever recorded!
On September 4th we had 7 M flares from fast growing sunspot 2673, with at least 1 large dense Earth directed CME. This CME will arrive late in the day on Wednesday September 6th.
There is now a 25% chance for X flares over the next 24hrs & 71% chance for M flares
We have a Long Duration M2.4 Solar Flare starting
01:05 UTC July 14th 2017
There was a full halo CME observed with this solar flare. The associated CME is Earth Directed. See discussion on the last page for all updates!
1,000,000 Views hit on July 3, 2012
A big thanks to all the wonderful contributors of
the GLP Solar Watch thread!
Please See Current Events Discussion On Last Page :)
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