September 25, 2020 - Fires in Russia

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   Fires in Russia
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   As autumn 2020 arrives in Siberia, the severe fire season continues
   unabated with many dozens – if not hundreds – of fires pouring copious
   smoke across the region.

   The Moderate Resolution imaging Spectroradiometer (MODIS) on board
   NASA’s Terra satellite acquired a true-color image of Eastern Russia on
   September 23. A broad river of smoke covers much of the Sakha Republic,
   obscuring the land from view. The smoke stretches roughly 1250 miles
   from east to west and, at its widest, about 500 miles north to south.

   Many red “hot spots” can be seen, particularly at the edges of the
   smoke. Each marks an area where the thermal bands on the MODIS
   instrument detected high temperatures. When combined with typical
   smoke, as in this image, such hot spots are diagnostic for actively
   burning fire. With the extreme density of the smoke, it is likely that
   additional hot spots are obscured from view.

   Much of Siberia has sweltered under a very hot spring and summer, with
   temperatures peaking in the city of Yakutsk at 93˚F (33.9˚C) on July 13
   and again on July 19. Average highs on those dates are less than 80 ˚F
   (26.7˚C). Typically, temperatures fall precipitously in September with
   average high temperatures on September 23 reported as 38.7 ˚F (3.7˚C).
   On that date this year, the temperature was 52˚F (11.1˚C) – cool, but
   still 13.3˚F (7.4˚C) above average.

   Image Facts
   Satellite:  Terra
   Date Acquired: 9/23/2020
   Resolutions:  1km (1.4 MB),  500m (4.7 MB),
   Bands Used: 1,4,3
   Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2020-09-25
 
