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Post Info TOPIC: Sun 04.08.11


L

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RE: Sun 06.08.11
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kpindex060811b.gif



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L

Posts: 131433
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RE: Sun 04.08.11
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M9.3 Class Solar Flare



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L

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CME 4 August 2011



Coronal mass ejection from the Sun directed towards the Earth.
This caused a Geomagnetic storm (K-index of 8) on the 6th August, 2011

Aurora Alert,  Kp=8:

kpindex050811b.gif



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L

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Sun 05.08.11
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NOAA Space Weather update Aug 5

Ed ~ Aurora Borealis: Geomagnetic K-index of 8 on the 6th August, 2011



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L

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Sun 04.08.11
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Impressive M9.3 flare on August 4

On August 4 2011, around 4UT in the morning, a very strong solar flare (class M9.3) occurred in the North-Western quadrant of the Sun. The subsequent global EUV wave - comparable to a solar tsunami - influenced more than half of the solar surface.
Read more

Animation (2584kb, 901 x 563)



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