SturmPass
A hyperlocal severe-weather companion for German households — give it your address and it pushes plain-language warnings (not 'CAPE 1400' jargon), each with a concrete 5-minute action list: bring in the Balkonblumen, move the car, charge the powerstation, secure loose Gerüstteile.
German households and renters in storm-prone northern regions
- DWD-warning watcher with plain-language summaries ('Orkanböen bis 110 km/h ab 18 Uhr — heute keine Dacharbeiten')
- Pre-storm checklist that adapts to your property (Garten, Baustelle, Auto, Haustier)
- Storm-day timeline showing the next 24 hours of rain/hail/wind in 30-min slices for your exact PLZ
- After-the-storm report: which warnings were issued, where, and whether your address was in the cone
A real severe-weather event in Niedersachsen is driving 2000+ German-language searches for 'Warnung' right now, and the NDR article emphasizes that the DWD warnings people do receive are full of jargon most households don't act on.
Real underlying need (DWD warnings exist with millions of users and storm events spike search interest), but the official WarnWetter app already serves most of it, suppressing independent demand.WarnWetter - Apps on Google Play ↗WarnWetter App - Deutscher Wetterdienst ↗
Crowded market dominated by the free, authoritative DWD WarnWetter app plus WetterOnline and Wetter.com; no third-party niche for plain-language action lists is documented.The Best Weather Apps for Germany: Always on the Safe Side ↗The 5 best weather apps in Germany - Lingoda ↗
Germans get critical DWD warnings for free; the premium tier is a small one-time fee for forecasts, with WetterOnline/Wetter.com using ads + subscription — willingness to pay for a third-party wrapper is unproven.The Best Weather Apps for Germany: Always on the Safe Side ↗Weather Premium | weather.com ↗
Climate change is measurably increasing storm-surge frequency and severity on the German North Sea coast, with multiple official sources flagging a long-term trend.„Sturmfluten sind häufiger und höher geworden" | Helmholtz KLIMA ↗Klimawandel setzt Niedersachsen aus mehreren Richtungen stark zu ↗
Technically straightforward: aggregate DWD's public warning API, add location/GIS, push notifications, and use an LLM to translate jargon into action lists — all standard building blocks.WarnWetter App - Deutscher Wetterdienst ↗