August 5, 2007
Heat wave
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Today the temperatures got up to the upper 90's with PM2.5 measurements in the range of 21.2-54.6 µg/m³ (recorded at Oldtown). The run tonight was interesting with the day time boundary layer splitting off and the formation of the night time boundary layer underneath created a layering effect which can be seen in the backscatter plots shown above at 1-1.5km and 2-2.5km.