The particular German audio tells a rather distinctive story: it's not about weather conditions manipulation and chemicals, but about chaff (radar counter-actions) deployed from fighter planes during military services exercise routines that were falsely registered as rain clouds on meteorological radars. BUT, there are actually other approaches to obtain safety, https://funktionsgeber-zweikanal90009.tkzblog.com/37456778/examine-this-report-on-geophysikalische-waffe