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Smoke effects

by Greg Murphy, KSBY weather blogger

Here is a graph showing how the controlled burn by Montana de Oro affected local air. It displays measurements of a size of particulate matter called PM-10. Note the huge spike at 1400 hours (2 p.m.) for Arroyo Grande and nearby Nipomo. There was another spike further south an hour later when the main cloud invaded Santa Maria.

Comments

Comment from Nick
Time November 13, 2012 at 5:08 am

Interesting. Not pretty to see those spikes happening in those areas.

Comment from ksbyweather
Time November 13, 2012 at 11:15 am

That level isn’t too unusual for the Arroyo Grande station. It is near an oil refinery.

You can see a wind shift in the graph at 4 p.m. Arroyo Grande went down while the rest peaked. –Greg

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