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Coronal mass ejection arrival

The X8.2 coronal mass ejection has arrived. A weak impact was observed at 19:29 UTC with a minor increase in the solar speed, density and the total strength of the interplanetary field (Bt). This is without a doubt the glancing blow arrival of the X8.2 coronal mass ejection as the low energy protons measured by ACE/EPAM peaked at the moment of impact, a classic sign of a CME arrival.

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Today's space weather

Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 15% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
New Moon

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/11/08Kp6 (G2)
Number of spotless days in 2017:81
Last spotless day:2017/11/13

This day in history*

Solar flares
12013X1.0
22003M1.7
32000C9.1
42003C9.1
52003C8.8
ApG
1199422G1
2200120
3200214
4200312
5199912
*since 1994