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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 - PowerPoint PPT Presentation
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VIIRS McIDAS-V Colby, CA FireJanuary 17-20, 2014
William Straka III
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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.
VIIRS DNB1033Z, January 17, 2014
Colby
VIIRS M10 (1.6mm)1033Z, January 17, 2014
Colby
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
VIIRS M13 (3.9mm)1033Z, January 17, 2014
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
Colby
Refineries
VIIRS M15 (11mm)1033Z, January 17, 2014
Note hot spot in 11mm channel BT
Colby
VIIRS DNB1014Z, January 18, 2014
Colby Smoke
VIIRS M10 (1.6mm)1014Z, January 18, 2014
Colby
VIIRS M13 (3.9mm)1014Z, January 18, 2014
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
Colby
Refineries
VIIRS M15 (11mm)1014Z, January 18, 2014
Colby
Note hot spot in 11mm channel BT
VIIRS DNB0955Z, January 19, 2014
Colby
VIIRS M10 (1.6mm)0955Z, January 19, 2014
ColbyNote hot spot gone
VIIRS M13 (3.9mm)0955Z, January 19, 2014
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
ColbyNote hot spot gone
Refineries
VIIRS M15 (11mm)0955Z, January 19, 2014
Colby
VIIRS DNB0936Z, January 20, 2014
Colby
VIIRS M10 (1.6mm)0936Z, January 20, 2014
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
Colby
VIIRS M13 (3.9mm)0936Z, January 20, 2014
Etiwanda Power Plant or Tamco Steel in Rancho Cucamonga
Colby
Refineries
VIIRS M15 (11mm)0936Z, January 20, 2014
Colby
ZOOMED IN FEATURESColby Fire
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VIIRS DNB1033Z, January 17, 2014
Possible smoke
VIIRS M15 (11mm)1033Z, January 17, 2014
Note lack of agreement with IR window
VIIRS DNB1033Z, January 17, 2014
Colby
VIIRS DNB1014Z, January 18, 2014
Smoke
Colby
VIIRS DNB0955Z, January 19, 2014
Note bright spot basically gone
Colby
VIIRS DNB0936Z, January 20, 2014
ColbyNote bright spot basically gone
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/Tamco Steel 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.
