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@cernan
Hah! Not our green and verdant pastures but the badlands of Arizona and Utah freezing of my extremities.
Volcanic eruptions actually result in small decreases in temperature by allowing the formation of layers in the stratosphere that reduce transmission of solar radiation. This is due to sulphur dioxide reactions with water vapour.
The Kuwatii oil fires also created local cooling, although for a different reason. The huge smoke clouds blocked out the sun and again prevent solar radiation transmission. Forest fires might also have the same effect (NASA's mission database might have something on this. The mission/instruments used was CRYSTAL-FACE. But from what i can figure out that was mainly looking at atmospheric chemistry and mixing and i haven't found anything specifically on radiation transmission. Yet. But again this is from very basic searching of nature and NASA sites, i'm yet to try the ESA but they maybe a really good source)
The Nature search engine seems to provide abstracts to both topics but is error ridden for me at the moment.