Starkniederschlagsüberschwemmungen

Starkniederschlag is a meteorological term used in German-language forecasting to describe precipitation of high intensity that can cause localized impacts. It encompasses forms such as heavy rain, heavy snowfall, sleet, and hail that occur over a relatively short period. The term is used in forecasts and warnings to communicate the expectation of strong precipitation events rather than light, steady rainfall. Thresholds for what constitutes Starkniederschlag vary by region, season, and current weather patterns, and the term is therefore primarily a qualitative indicator of risk rather than a fixed numerical value.

Detection and forecasting rely on multiple observational and modeling tools. Meteorological agencies use radar, rain gauges, surface observations, and satellite data together with numerical weather prediction models to estimate precipitation intensity and accumulation. Forecasters may issue alerts or warnings when Starkniederschlag is imminent or ongoing, often accompanied by guidance on potential impacts such as flooding, road hazards, or power outages.

Impacts depend on intensity, duration, geography, and infrastructure. Heavy rain can overwhelm drainage systems and trigger flash floods, while heavy snow or hail can damage crops, vegetation, and vehicles. Preparedness measures include monitoring updates, temporary closures of affected routes, and measures to protect property and reduce flood risk.

See also: meteorology; precipitation; weather warning.