A powerful thunderstorm in N Germany is affecting (amongst others) these cities:
- Diepholz
- Zelle
- Hannover
- Hammeln

The thunderstorm is most powerful in following regions:
- Werder
- Diepholz
- Nienburg (Weser)
- Soltau-Fallingbostel
- Celle
- Hannover
- Schaumburg
- Hemmln-Pyrmont
- Hildesheim
- Holzminden

Conditions in the thunderstorm:
- Wind 75km/h
- Rain 35lm² in 1 hour
- Hail

Threats due to the thunderstorm:
- lightning strikes
- uprooted trees
- falling branches
- falling roof shingles
- falling objects
- flooding of cellars
- flooding of streets
- flooding of rivers
- landslides

Safety measures:
- Close all windows
- close all doors
- keep away from all tall structures and objects
- stay inside