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VIIRS McIDAS -V Colby, CA Fire January 17-20, 2014

VIIRS McIDAS -V Colby, CA Fire January 17-20, 2014. William Straka III. 1. Background. The Colby Fire started at approximately 0555 PST (~1355Z) on Thursday, January 16 2014, the Glendora Mountain Road by the Colby truck trail by an illegal campfire

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VIIRS McIDAS -V Colby, CA Fire January 17-20, 2014

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  1. VIIRS McIDAS-V Colby, CA FireJanuary 17-20, 2014 William Straka III 1

  2. Background • The Colby Fire started at approximately 0555 PST (~1355Z) on Thursday, January 16 2014, the Glendora Mountain Road by the Colby truck trail by an illegal campfire • According to a statement to police, one of the three men arrested stated that they were not a designated camping spot and that it was started by “by tossing paper into a campfire” • It was initially fueled by strong Santa Ana winds. • Subsequent nighttime VIIRS passes revealed the emitted light (in the Day Night Band) and thermal characteristics (M10, M13) of the fire • By January 19th and 20th, the fire had been contained and mop up operations were in progress.

  3. VIIRS DNB1033Z, January 17, 2014 Colby

  4. VIIRS M10 (1.6mm)1033Z, January 17, 2014 Colby Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga

  5. VIIRS M13 (3.9mm)1033Z, January 17, 2014 Colby Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga Refineries

  6. VIIRS M15 (11mm)1033Z, January 17, 2014 Colby Note hot spot in 11mm channel BT

  7. VIIRS DNB1014Z, January 18, 2014 Colby Smoke

  8. VIIRS M10 (1.6mm)1014Z, January 18, 2014 Colby

  9. VIIRS M13 (3.9mm)1014Z, January 18, 2014 Colby Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga Refineries

  10. VIIRS M15 (11mm)1014Z, January 18, 2014 Colby Note hot spot in 11mm channel BT

  11. VIIRS DNB0955Z, January 19, 2014 Colby

  12. VIIRS M10 (1.6mm)0955Z, January 19, 2014 Colby Note hot spot gone

  13. VIIRS M13 (3.9mm)0955Z, January 19, 2014 Colby Note hot spot gone Etiwanda Power Plant or TamcoSteel in Rancho Cucamonga Refineries

  14. VIIRS M15 (11mm)0955Z, January 19, 2014 Colby

  15. VIIRS DNB0936Z, January 20, 2014 Colby

  16. VIIRS M10 (1.6mm)0936Z, January 20, 2014 Colby Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga

  17. VIIRS M13 (3.9mm)0936Z, January 20, 2014 Colby Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga Refineries

  18. VIIRS M15 (11mm)0936Z, January 20, 2014 Colby

  19. Colby Fire Zoomed in Features

  20. VIIRS DNB1033Z, January 17, 2014 Possible smoke

  21. VIIRS M15 (11mm)1033Z, January 17, 2014 Note lack of agreement with IR window

  22. VIIRS DNB1033Z, January 17, 2014 Colby

  23. VIIRS DNB1014Z, January 18, 2014 Colby Smoke

  24. VIIRS DNB0955Z, January 19, 2014 Colby Note bright spot basically gone

  25. VIIRS DNB0936Z, January 20, 2014 Colby Note bright spot basically gone

  26. Summary • Nighttime VIIRS passes over the Colby fire revealed the emitted light (in the Day Night Band) and thermal characteristics (M10, M13) of the fire • These features dissipated or disappear by January 19th, when most of the fire had been contained • At its most intense, the Colby fire could be seen in the 11mm channel. • Other thermal features, such as the Etiwanda Power Plant/TamcoSteel plant in Rancho Cucamonga and the various refineries in the Long Beach area were also observed. • These features had relatively cooler thermal characteristics than the Colby fire • With the moon being up and in the gibbous phase, what appears to be smoke was observed in on January 17th off the coast of Santa Rosa Island as well as over the Colby Fire on January 18th.

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