NASA Goddard Space Weather Center

swc.gsfc.nasa.gov - On July 12, 2012 Active Region 1520 produced a long duration X1.4 class solar flare (peaking at 16:52 UT), and was associated with an Earth-directed CME (Coronal Mass Ejection), and Solar Energetic Particle event. Based on preliminary heliospheric modeling carried out at NASA GSFC Space Weather Center, it is estimated that the CME may impact Earth, Messenger, Spitzer, MSL, Mars. Simulations indicate that the leading edge of the CME will reach Earth at about 2012-07-14T10:20Z (plus minus 7 hours). The roughly estimated expected range of the geomagnetic storm Kp index is 6-8 (moderate to severe). Solar Energetic Particle (SEP) events were detected at SOHO, GOES, and STERO B starting on July 12, 2012 17:50 UT) due to this flare and associated CME. Updates will be provided when available.

See space weather alerts: swc.gsfc.nasa.gov/main/20120712-AL-006
swc.gsfc.nasa.gov/main/20120712-AL-004
swc.gsfc.nasa.gov/main/20120712-AL-001

Read more: nasa.gov/mission_pages/sunearth/news/News071212-X1.4flare.html

This video was created using:
helioviewer.org/ - Solar and heliospheric image visualization tool.
Integrated Space Weather Analysis system (iSWA): iswa.ccmc.gsfc.nasa.gov

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To learn more about NASA Space Weather Center visit: swc.gsfc.nasa.gov
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Also check out thesuntoday.org/ for solar facts & space weather

Content by Sandro Taktakishvili Yihua Zheng, and Leila Mays
Edited by Leila Mays
Music by Julian Vu julianvu.com/ (used with permission)

Credit: NASA/SDO, NASA/STEREO/SECCHI, SOHO/ESA&NASA, NASA/Goddard Space Flight Center

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NASA Goddard Space Weather Center

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