All Forums  Main Area  General Chatter Area  it could produce a few C-flares

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by vk3pa[/i] [br]A moderate to major geomagnetic storm (Kp=5-6) has taken place between yesterday [i][b]March 18, around 20:00UT, until today around 9:00UT.[/b][/i]It was caused by a new rise of the solar wind speed to 650km/s, with simultaneous Southward excursions of the Bz component of the IMF. All ground-based magnetographs currently show a decrease of the geomagnetic activity. [blue][i][b]However, as the solar wind speed stays high, we still expect possible active to minor storm surges in the next 12 to 24h. [/b][/i][/blue]This geomagnetic activity should progressively settled down, to return to quiet conditions by March 21st.[blue][i][b] On the Sun, active region Catania#14 (NOAA0862) at disc center has shown a moderate growth over the last 24 hours (now type D sunspot group, Beta magnetic configuration). At this stage, it could produce a few C-flares.[/b][/i][/blue] [/quote]   Check here to include your profile signature. Check here to subscribe to this topic.