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Aursee · notable fire

Fire near Chernyshevskiy, Sakha, Russia, September 2026

Detected · VIIRS 375 m (S-NPP, NOAA-20, NOAA-21) · 63.652, 108.877 · first seen 22 September 2026, 17:58 UTC

6,391 MWpeak summed radiative power, 22 Sep
378detections on that day
10 kmwidest extent of the group
2days in the record

First detected 22 September 2026, 17:58 UTC, 193 km WNW of Chernyshevskiy. Last detected 23 September 2026, 06:29 UTC.

Day by day

2026-09-22: 6,391 MW22 Sep2026-09-23: 5,873 MW23 Sep6,391 MW

Summed radiative power per UTC day, MW.

Day (UTC)MWDetectionsExtent kmNight
2026-09-226,3913781039%
2026-09-235,873231100.0%

MW is fire radiative power summed over every detection grouped into the fire in a 24-hour window, across three satellites. Extent is the width of the group of detections, not a mapped perimeter. Night is the share of detections from the night pass. How these are measured.

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