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July 2, 2015

Several fires are burning between Prineville and John Day, as well as other parts of the state. The largest of these is the Corner Creek Fire, located 11 miles south of Dayville, OR.  Yesterday, this fire grew to  approximately 10,000 acres by 4 pm.  Here's a photo from yesterday:

Corner Creek Fire


Smoke could be seen from the MODIS sensor on the Aqua Satellite overpass yesterday afternoon.

Air quality in Burns degraded to the moderate category for an hour last night, around 7 pm, but quickly rebounded to the good category.   

Fire growth is expected today with the hot, dry weather.  Today's smoke forecast shows light (pink) and moderate (dark pink) around Dayville and Mt. Vernon, with smoke traveling to the south of the fires.  

Forecasted 24-hour average PM2.5 for Thursday July 2, 2015. 

On Friday, light smoke is expected to travel south-southeast of the fires, as shown below.  

Forecasted 24-hour average PM2.5 for Friday, July 3, 2015.


On Saturday, July 4th, light smoke will travel to the southeast of the fires, as shown below.

Forecasted 24-hour average PM2.5 for Saturday, July 4, 2015.

As always, with the night time temperature inversion, smoke could settle into valleys in heavier concentrations.  Smoke typically lifts from the valleys within an hour or two after sunrise this time of year.