- Peakupdraftstrengthisslightlyenhancedwithhodographcurvature.Youareseeingcindersdancingintheupdraft.Theyarealsosmallandlight,wasintheairupdraftcareintheair.Francein1980wasfirstdiscoveredthroughtheExploitationofMeteorologicalSatellitesPassupdraft.Atthe...
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