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

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Presentation on theme: "1 VIIRS DNB Aurora Event 7/15/2012 – 7/17/2012 William Straka III (CIMSS) utilizing data from Visualized in McIDAS-V 1."— Presentation transcript:

1 1 VIIRS DNB Aurora Event 7/15/2012 – 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 2

3 7/15/2012 DNB Aurora 3

4 NOAA Aurora map 0724Z, 7/15/2012 SSEC/CIMSS

5 VIIRS DNB 0733Z, 7/15/2012 Aurora Winnipeg Fires

6 VIIRS (11  m) 0733Z, 7/15/2012 Winnipeg

7 VIIRS (3.74  m) 0733Z, 7/15/2012 Winnipeg

8 VIIRS (3.74  m), Fires 0733Z, 7/15/2012 Fires Winnipeg

9 NOAA Aurora map 0846Z, 7/15/2012 SSEC/CIMSS

10 VIIRS DNB 0917Z, 7/15/2012 Aurora Seattle Clouds

11 VIIRS (11  m) 0917Z, 7/15/2012 Seattle

12 VIIRS (3.74  m) 0917Z, 7/15/2012 Seattle

13 7/16/2012 DNB Aurora 13

14 NOAA Aurora map 0713Z, 7/16/2012 SSEC/CIMSS

15 VIIRS DNB 0717Z, 7/16/2012 Aurora Clouds Lightning

16 VIIRS (11  m) 0717Z, 7/16/2012

17 NOAA Aurora map 0855Z, 7/16/2012 SSEC/CIMSS

18 VIIRS DNB 0858Z, 7/16/2012 Aurora Clouds ND oil/natural gas drilling Note clouds lit by aurora Seattle

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

20 7/17/2012 DNB Aurora 20

21 NOAA Aurora map 0642Z, 7/17/2012 SSEC/CIMSS

22 VIIRS DNB 0658Z, 7/17/2012 Aurora

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

24 NOAA Aurora map 0713Z, 7/16/2012 SSEC/CIMSS

25 VIIRS DNB 0839Z, 7/17/2012 Aurora Clouds Lightning ND oil/natural gas drilling

26 VIIRS (11  m) 0839Z, 7/17/2012


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