MODIS True Color Image of Active Minnesota Wildfire

An active wildfire is ongoing in northern Minnesota, sparked by lightning in the Pagami Creek area (source).   Behind a recent cold front, surface and upper level winds from the northwest are advecting the wildfire smoke further into eastern Wisconsin and northern Illinois.  The resulting smoke plume was captured by MODIS this afternoon, with the complex plume shape indicative of differential advection by winds at varying levels.  Red icons indicate hot spots or likely fire locations based upon brightness temperatures in the 3.9 micron channel.  In this case, imagery are provided by the NASA LANCE (Land Atmosphere Near real-time Capability for EOS) Web Mapping Server at 250 m spatial resolution, however, comparable true color imagery are provided to NWS weather forecast offices through partnership with SPoRT and other NOAA research groups, such as the Cooperative Institute for Meteorological Satellite Studies (CIMSS) at the University of Wisconsin.

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