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SOLAR WATCH * Huge X8.2 Flare Sept. 10, 2017! (Updated Daily)
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[quote:Helios Maximus:MV8xMzgyOTUyXzg2MTI0Mzk2X0E2RkIzREY=] Spaceweather.com has a NOAA forecast for a 60% chance of SEVERE geomagnetic storm for high latitudes in the next 48 hours. https://spaceweather.com Solar wind has crossed the threshold above 400 km/s. Space Weather Message Code: WARK04 Serial Number: 3841 Issue Time: 2021 Mar 01 0256 UTC [b]WARNING: Geomagnetic K-index of 4 expected[/b] Valid From: 2021 Mar 01 0300 UTC Valid To: 2021 Mar 01 1500 UTC Warning Condition: Onset The auroral oval has gone from green to yellow to orange in the past hour. Aurora 30-min forecast: https://www.swpc.noaa.gov/products/aurora-30-minute-forecast SWPC Discussion-- [b]Solar Wind[/b] .24 hr Summary... Solar wind parameters, as measured by the DSCOVR spacecraft, were at nominal levels. Total magnetic field strength was below 5nT. Solar wind speeds were between 350 and 380 km/s. Phi angle was predominantly oriented in the positive sector. [b].Forecast... Solar wind conditions are expected to see increased disturbances shortly. The onset of influence from a negative polarity CH HSS is expected to cause enhancements in tot[/b]al magnetic field strength and solar wind speeds on 01-03 Mar. Geospace .24 hr Summary... The geomagnetic field was quiet to unsettled. [b].Forecast... The geomagnetic field is expected to increase with CH HSS activity anticipated for 01-03 Mar. Unsettled to active conditions are expected for 01 Mar. 02 March is expected to be mostly unsettled to active with a minor storm (G1) likely late in the UT day. Unsettled to active conditions are forecast to return on 03 Mar.[/b] The Bz polarity has been steadily negative for 5 hours. If this trend continues we may get a G2 storm. Solar Winds: https://www.swpc.noaa.gov/products/real-time-solar-wind [/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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