2021 Radio Blackout Alerts

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Christopher K.
Posts: 5774
Joined: October 12th, 2009, 3:28 pm
Location: Baton Rouge, LA

2021 Radio Blackout Alerts

Post by Christopher K. »

Several hours ago there was an R1 alert from the Space Weather Prediction Center. According to the SWPC this alert is sent out when there is the possibility of weak or minor degradation of high-frequency radio communication on sunlit side of the Earth, occasional loss of radio contact and brief degradation of low-frequency navigation signals.

More information:
https://www.swpc.noaa.gov/noaa-scales-explanation
Christopher K.
Posts: 5774
Joined: October 12th, 2009, 3:28 pm
Location: Baton Rouge, LA

Re: 2021 Radio Blackout Alerts

Post by Christopher K. »

Several hours ago there was an R1 alert from the Space Weather Prediction Center. Meanwhile, Active Region 2871 issued one M2 solar flare and one M3 solar flare. The Earth may receive some physical effects on Sunday or Monday.

The M3 flare exploding at about 11:42pm last night...
https://www.spaceweather.com/images2021 ... 3_anim.gif
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