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VIIRS DNB Aurora Event 7/15/2012 – 7/17/2012

VIIRS DNB Aurora Event 7/15/2012 – 7/17/2012. William Straka III (CIMSS) utilizing data from CSPP @SSEC Visualized in McIDAS -V. 1. Overview. On July 12, 2012 an X-1.4-class solar flare erupted from Active Region 1520 (AR1520), which rotated into view on July 6

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VIIRS DNB Aurora Event 7/15/2012 – 7/17/2012

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  1. VIIRS DNB Aurora Event7/15/2012 – 7/17/2012 William Straka III (CIMSS) utilizing data from CSPP @SSEC Visualized in McIDAS-V 1

  2. Overview • On July 12, 2012 an X-1.4-class solar flare erupted from Active Region 1520 (AR1520), which rotated into view on July 6 • Consequently, late July 14, early July 15, a G2 geomagnetic storm impacted the Earth’s magnetic field. • Analysts at the Goddard Space Weather Lab say that satellites in geosynchronous orbit may have been directly exposed to solar wind plasma. • The resulted in the Aurora borealis was seen in lower latitudes • Spaceweather.com showed images of the aurora from Sparks Lake in central Oregon as well as several other locations in the northern CONUS area • Because of the moonless night, the aurora was able to be seen in the Day Night Band (VIIRS) on board the Suomi NPP satellite • Because the aurora was within the stray light region, it was slightly washed out. Utilizing McIDAS-V, the aurora was brought out while eliminating (for the most part) the stray light

  3. DNB Aurora 7/15/2012

  4. NOAA Aurora map0724Z, 7/15/2012 SSEC/CIMSS

  5. VIIRS DNB0733Z, 7/15/2012 Fires Winnipeg Aurora

  6. VIIRS (11mm)0733Z, 7/15/2012 Winnipeg

  7. VIIRS (3.74mm)0733Z, 7/15/2012 Winnipeg

  8. VIIRS (3.74mm), Fires0733Z, 7/15/2012 Fires Winnipeg

  9. NOAA Aurora map0846Z, 7/15/2012 SSEC/CIMSS

  10. VIIRS DNB0917Z, 7/15/2012 Clouds Aurora Seattle

  11. VIIRS (11mm)0917Z, 7/15/2012 Seattle

  12. VIIRS (3.74mm)0917Z, 7/15/2012 Seattle

  13. DNB Aurora 7/16/2012

  14. NOAA Aurora map0713Z, 7/16/2012 SSEC/CIMSS

  15. VIIRS DNB0717Z, 7/16/2012 Clouds Aurora Lightning

  16. VIIRS (11mm)0717Z, 7/16/2012

  17. NOAA Aurora map0855Z, 7/16/2012 SSEC/CIMSS

  18. VIIRS DNB0858Z, 7/16/2012 Clouds Note clouds lit by aurora Aurora Seattle ND oil/natural gas drilling

  19. VIIRS (11mm)0858Z, 7/16/2012 Note clouds are oriented differently than aurora

  20. DNB Aurora 7/17/2012

  21. NOAA Aurora map0642Z, 7/17/2012 SSEC/CIMSS

  22. VIIRS DNB0658Z, 7/17/2012 Aurora

  23. VIIRS (11mm)0658Z, 7/17/2012 Note clouds are in a different location than aurora, though similar orientation

  24. NOAA Aurora map0713Z, 7/16/2012 SSEC/CIMSS

  25. VIIRS DNB0839Z, 7/17/2012 Aurora Clouds ND oil/natural gas drilling Lightning

  26. VIIRS (11mm)0839Z, 7/17/2012

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