The Cooperative Institute for Meteorological Satellite Studies (CIMSS) Satellite Blog was updated with the following posts: “Thunderstorms produce flash flooding and severe weather (tornadoes and damaging winds) across the Northeast US” (Aug. 20), “Hawk Fire forces evacuation orders for parts of the Reno, Nevada area” (Aug. 22), “Episode 54 of the ongoing eruption of Kilauea on the Big Island of Hawai`i” (Aug. 25), “Rare Tornado Strikes France” (Aug. 26) and “Launch of EUMETSAT MTG-I2” (Aug. 27).

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  Figure: Meteosat-12 Day Convection RGB image with an overlay of lightning activity at 1445 UTC on August 24, 2026 -- showing thunderstorms that produced a tornado at Pomace, France.
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  Figure: GOES-18 GeoColor RGB image with an overlay of Next Generation Fire System (NGFS) Fire Detection polygons at 0042 UTC on August 23, 2026 -- showing the thermal signature of the Hawk Fire, which forced the issuance of evacuation orders for parts of the Reno, Nevada area.