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hatrack

(59,578 posts)
Sat Aug 3, 2013, 10:02 AM Aug 2013

Siberian Heat Spike; Norilsk @ Or Over 80F 8 Straight Days; Fires Blow Soot Poleward



The map above shows land surface temperature anomalies for July 20–27, 2013, collected by the MODIS imager on NASA's Terra satellite.
Click on the image to enlarge. Credit: NASA Earth Observatory.

The Siberian city of Norilsk, the most northerly city in the world with a population greater than 100,000, recorded temperatures above 83°F over eight consecutive days starting on July 18, according to blogger Chris Burt of Weather Underground. During that timespan, Burt reported, the mercury hit 90°F, breaking the record for the hottest temperature recorded for the city. For comparison the average July high temperature in Norilsk is a comparatively chilly 61°F.

Norilsk isn’t an isolated example, but rather sits amid a sea of abnormally hot temperatures and smoky conditions in north-central Siberia. According to NASA’s Earth Observatory, from July 20 through July 27, temperatures were about 30°F above average across a large swath of this vast, sparsely populated region. The warm weather has contributed to a spike in wildfires. As of July 29, wildfires continued to burn at least 22,200 acres in Siberia, according to news reports. Heavy smoke from them grounded commercial flights in Omsk, a city in southwestern Siberia, Russia Today reported.

The Siberian fires come on the heels of Russia’s worst wildfire season on record in 2012. Fires burned roughly 74 million acres that year, well above the 50 million acres burned on average for the period from 2000 to 2008. While it’s still early to tell if 2013 will challenge 2012 for a record-setting year, one thing to note about this season is the unusual location of the fires. Typically, large wildfires burn on the southern fringe of the taiga, a dense forest ecosystem also known as the boreal forest, but this year’s fires are burning in a more central portion of the taiga.

Northern Russia has warmed more rapidly than many other places on the globe in recent decades, and according to NASA, researchers expect the number of taiga wildfires there to double by the end of the century.

EDIT

http://www.climatecentral.org/blogs/sunburn-in-siberia-heat-wave-leads-to-wildfires-16313
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Siberian Heat Spike; Norilsk @ Or Over 80F 8 Straight Days; Fires Blow Soot Poleward (Original Post) hatrack Aug 2013 OP
Anyone know where that forest soot blows to? NickB79 Aug 2013 #1

NickB79

(19,224 posts)
1. Anyone know where that forest soot blows to?
Sun Aug 4, 2013, 03:07 AM
Aug 2013

If the winds are blowing so that the soot from 70 million acres of burned forest falls out over the Arctic ice cap.... Can anyone say "albedo effect"?

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