"Conditions in the D region of the ionosphere have a dramatic effect on high frequency (HF) communications and low frequency (LF) navigation systems. The global D Region Absorption Predictions (D-RAP) depicts the D region at high latitudes where it is driven by particles as well as low latitudes, where photons cause the prompt changes. This product merges all latitudes using appropriate displays, and is useful to customers from a broad base that includes emergency management, aviation and maritime users. [more]"
01:47 - peak
02:01 - after the peak but looks stronger
Video!
M5.1 Solar Flare + CME - EVE and Lasco C2 (5/17/2012)
http://www.youtube.com/watch?v=1-d38wSS2YA&feature=youtube_gdata_player
GOES 15 X-Ray Events 1-8A
Cur 17/0427 C3.5 Ratio 0.056
Beg
17/0125
C1.9
Max
17/0147
M5.1
Int 9.9e-02 J m-2
End
17/0214
M2.6
The GOES X-ray flux plot contains 1 minute averages of solar X-rays in the 1-8 Angstrom (0.1-0.8 nm) and 0.5-4.0 Angstrom (0.05-0.4 nm) passbands. Data from the SWPC Primary GOES X-ray satellite is shown. As of Feb 2008, no Secondary GOES X-ray satellite data is available. Some data dropouts will occur during satellite eclipses.
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