Drought indices MeteoSwiss: link
Drought monitor Swiss Federal Office for Environment: https://www.trockenheit.admin.ch/en
Research drought platform WSL: https://www.drought.ch/de/start/
Forecasts discharge evolution: https://www.drought.ch/fileadmin/dynamic/drought/ext_images/forecast/leaflet2.html
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see the detailed article by WSL: https://www.wsl.ch/en/metanavigation/focus/the-2026-drought-frequently-asked-questions-and-answers/
my drought blog post: https://blogs.egu.eu/divisions/hs/2026/08/18/drought-in-europe
Newpaper article on the situation along the Rhine: https://www.faz.net/aktuell/wirtschaft/klima-nachhaltigkeit/niedrigwasser-im-rhein-wie-der-wassermangel-wirtschaft-und-natur-belastet-accg-201133970.html