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Uploaded on Sep 1, 2011
Beginning in mid-July and stretching through mid-August, a persistent Omega-shaped blocking high over western Russian and Kazakhstan produced abnormally warm temperatures (indicated by the yellow and red colors) and drought that sparked a rash of wildfires. The high caused the jet stream to divide. Temperatures Linked Between 2010 Russian Fires and Pakistani Floods A persistent high (shown in red) remained over western Russia for much of July and August of 2010. Meanwhile, a low (shown in blue) hovered over much of Pakistan for the same period. NASA/Earth Observatory