November 20, 2012

Increase in fire activity in Mississippi Valley and Great Lakes region.

The first image below, courtesy NOAA HMS, shows the fire locations across the United States. The red dots correspond to active fires, and the grey areas are plumes. There are not any noticeable plumes to report at this time. There has been an increase in fire activity in the center of the country, specifically in the Miss. Valley and Great Lakes regions. These fires have been burning steadily for the past few days. There are also some small patches of fires in Florida. The image below, courtesy GASP MODIS (Terra satellite), shows the AOD image for the country today. You can see that most of these raised values correspond to more optically thick areas, which correspond to the fires and smoke debris throughout the nation. The western portion of the country was difficult to image today, but the slightly raised values in the Pacific Southwest off the coast of California may be due to residential wood burning.


The first image below, courtesy EPA AIRNOW, shows the loop of AQI values for the entire country. There are some raised USG values in the Northeast region and Southwest, but the center of the country remains Moderate. Most of these raised values are due to small local fires. The next image below shows the NOAA ozone forecast for the entire country. This is fairly typical of the colder and darker days of winter.


Posted by John Sullivan at November 20, 2012 5:49 PM
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