In June 2020, a uniquely dense plume of Saharan dust — nicknamed the 'Godzilla dust cloud' by NASA researchers — traveled roughly 8,000 km across the Atlantic Ocean from West Africa to the Caribbean and southern United States, described by NASA and NOAA as the most significant such event observed in the satellite record of the past several decades. Saharan dust plumes cross the Atlantic most years, but the 2020 event stood out for its density and areal extent as measured by satellite aerosol instruments; this is a qualitative 'most significant observed' claim from atmospheric scientists rather than a strict numerical record maintained by a standards body.
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In June 2020, a uniquely dense plume of Saharan dust — nicknamed the 'Godzilla dust cloud' by NASA researchers — traveled roughly 8,000 km across the Atlantic Ocean from West Africa to the Caribbean and southern United States, described by NASA and NOAA as the most significant such event observed in the satellite record of the past several decades. Saharan dust plumes cross the Atlantic most years, but the 2020 event stood out for its density and areal extent as measured by satellite aerosol instruments; this is a qualitative 'most significant observed' claim from atmospheric scientists rather than a strict numerical record maintained by a standards body.
The approximate distance traveled by the most significant single Saharan dust plume tracked by satellite as it crossed the Atlantic Ocean and reached the Americas.
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Limits Registry. LR-LARGEST-TRANSATLANTIC-DUST-PLUME. Largest trans-Atlantic Saharan dust plume recorded by satellite. 2026.