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SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
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[quote:Hugh M Eye:MV8xMzgyOTUyXzQwNjgxNDEyXzk0ODAxMzE1] [quote:Goofy for God:MV8xMzgyOTUyXzQwNjgwMjQwX0JCQzg5REFC] WARNING: Geomagnetic Sudden Impulse expected Valid From: 2013 Oct 08 2020 UTC Valid To: 2013 Oct 08 2050 UTC IP Shock Passage Observed: 2013 Oct 08 1942 UTC NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscales been out what has happened this in my email [/quote] Wow! Thanks for your vigilance GFG! This seems way too early to be from that filament eruption. This is about 24-hours early for NOAA's 'faster' arrival; and almost 48 hours early for the 'slower' NASA prediction!! Two possibilities off the top of my head are 1) We all missed something (ie, a different event), or 2) The velocity was grossly underestimated! Without the benefit of the STEREO images of that CME it's a crap-shoot to tell the speed of a dead-on Earth-directed CME from the SOHO pics alone. If you ever watched a baseball game, it's pretty easy to spot a change-up or a fastball from the dugout POV, but it's very difficult from the batter's POV (ie, comin' right at ya). Even the supercomputers need to triangulate data to accurately assess the velocity. Conclusion-NASA strikes out on a fastball up and in. 200 km/sec increase in Solar Wind speed is not a weak of glancing blow... http://www.swpc.noaa.gov/ace/MAG_SWEPAM_6h.html :arnoldSolarDoom!: [/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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