Cika wannan jumlar: Ragowar barazanar daga sojojin Poland ya haifar da kira don kai hari kan Warsaw. An shirya hare-haren sama a kan birnin a rana ta farko, mai suna "Wasserkante", ko Operation Seaside. Bayan tsakar dare a ranar 12/13 ga Satumba, shugaban rundunar sojin Luftwaffe Hans Jeschonnek ya umarci Löhr da ya shirya kai hari kan ghettos a arewacin Warsaw, a matsayin ramuwar gayya ga laifukan yaƙi da ba a bayyana ba a kan sojojin Jamus a cikin yaƙe-yaƙe na kwanan nan. Matasan jirgin sama na Richthofen sun tashi daga 183 zuwa 197, suna zubar da adadin manyan abubuwa masu fashewa da masu ƙonewa. Wasu bama-bamai sun fadi kusa da sojojin Jamus da ke gudanar da Siege na Warsaw da hayaki ya sa ba zai yiwu a tantance lalacewar ba. Richthofen ya fuskanci Hermann Göring game da buƙatar haɗin gwiwar iska don yakin Warsaw kuma ya nuna cewa shi ne mutumin da ya dace da aikin. Bai sami hanyarsa ba har sai 21 ga Satumba. Yanayin yanayi
ya jinkirta harin, wanda ya fara a ranar 22 ga Satumba. A wannan safiya von Richthofen ya ba da alama ga OKL; "Da gaggawa a nemi amfani da damar ƙarshe don babban gwaji kamar ɓarna da harin ta'addanci", kuma ya ƙara da cewa "za a yi ƙoƙari don kawar da Warsaw gaba ɗaya". Kungiyar OKL ta yi watsi da wannan shawara. An sauke takardun da ke buƙatar birni don mika wuya a cikin kwanaki hudu da suka gabata, amma Richthofen ya fara aiki da kansa, ta amfani da Luftwaffe Directive 18, wanda aka yi a ranar 21 ga Satumba, wanda ya ba shi alhakin gudanar da ayyukan iska.