December 20, 2012

Moderate AQI in the west; Fires and Dust in the Great Plains

Good air quality conditions over most of the nation. Western states experienced moderate levels throughout the day (top left). HMS reported several fires especially in the Great Plains and Mississippi Valley (top right). However these fires are not producing significant smoke. On the other hand, HMS also reported, an extensive amount of elevated dust could be seen over the Gulf of Mexico in evening satellite imagery along and behind a frontal boundary that was progressing eastward. This dust originated over portions of northern Mexico, eastern and southern New Mexico, and west and northwest Texas yesterday as a strong weather system moved through the region lofting the dust into the atmosphere. The dust should continue to move eastward and southeastward with the frontal boundary.

Posted by Daniel Orozco at December 20, 2012 11:57 PM
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