Friday, August 28, 2015

Smoke Week: August 16 - August 23

Smoke from fires in the Washington, Oregon, Idaho, and California was transported into Utah starting August 15th and didn't clear out for over a week. The red dots in the image below show the location of fires based on MODIS observations on August 20th. These fires include the largest fire in Washington's history.fires_MODIS_aug20 Smoke_Aug15-25_MODIS Air quality across Utah was impacted by the smoke. At MtMet between the 18th and 22nd PM 2.5 concentrations were in the moderate range and unhealthy for sensitive groups range. metmet_pm25 Also shown is the ozone at MtMet during the same time. Other observations at MtMet are here. ozone_mtmet University of Utah trucks, KSL Chopper, and TRAX drove around measuring ozone on August 19th. All observations available here. obs_aug19Looking towards valley from near Bountiful Peak. Looking towards valley from near Bountiful Peak. Lidar observations on August 20th. On the day with the highest backscatter you can see the upper levels winds from the northwest were relatively strong. Lidar backscatter and winds on August 20, 2015 Lidar backscatter and winds on August 20, 2015[/caption]   On the bright side, we I enjoyed the orange sunsets!Moab Sunset, August 15, 2015 Moab Sunset, August 15, 2015Mapleton Sunset, August 22, 2015 Mapleton Sunset, August 22, 2015

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