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SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
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[quote:Starry eyes:MV8xMzgyOTUyXzMyMjMwNTk2XzkzNTEzQjYx] [quote:TS66:MV8xMzgyOTUyXzMyMjMwNTcxXzkzQjY4MzRD] [quote:Gerry52:MV8xMzgyOTUyXzMyMjMwNDYwX0ZDNjhFOEFD] [quote:joinca:MV8xMzgyOTUyXzMyMjMwMzM5X0ZEOENCMkM4] [quote:joinca:MV8xMzgyOTUyXzMyMjI5ODg5XzUyNDVFMkQ4] My power just went out here in the mountains in California. twice now! Thanks for UPS to shut things down! :cool2: [/quote] Power is back on 15 minutes later. Sun related?? [/quote] Doubtful... [/quote] According to the alert, yes possible. ALERT: Geomagnetic K-index of 5 Threshold Reached: 2012 Jul 14 1851 UTC Synoptic Period: 1800-2100 UTC Active Warning: Yes NOAA Scale: G1 - Minor Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude. Induced Currents - [b]Weak power grid fluctuations can occur[/b]. Spacecraft - Minor impact on satellite operations possible. Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine. http://www.swpc.noaa.gov/alerts/alerts_timeline.html [/quote] I believe the Kp index warning was increased to 6 a while ago.. Space Weather Message Code: WARK06 Serial Number: 199 Issue Time: 2012 Jul 14 1914 UTC WARNING: Geomagnetic K-Index of 6 expected Valid From: 2012 Jul 14 1915 UTC Valid To: 2012 Jul 14 2359 UTC Warning Condition: Onset NOAA Scale: G2 - Moderate Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude. Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms. Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible. Radio - HF (high frequency) radio propagation can fade at higher latitudes. Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state. [/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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