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Science City tests its warning systems on June 12 – What to do in case of an alarm
On Thursday, June 12, 2025 , the city of Darmstadt will conduct a citywide test alarm . The aim of the test is to check all sirens and warning systems , including the NINA and hessenWARN . This test complements the statewide warning day in the spring and the nationwide warning day in the fall and serves as a technical function check at the municipal level.
This is how the test alarm works
- 11:00 AM: One-minute continuous tone with two interruptions – used to alert the fire department in case of emergency.
- 11:05 a.m.: One-minute rising and falling siren tone – means “warning of the population” .
- 11:10 a.m.: One-minute continuous tone – signifies “all clear” .
Behavior in case of a warning signal
In case of emergency, the following should be observed:
- Immediately seek enclosed spaces
- Close doors and windows
- Turn on the radio and listen for announcements
- Inform your neighbors
- Track alerts via warning apps
- Switch off ventilation and air conditioning systems
The warning and all-clear will be communicated simultaneously via all available warning systems , especially via warning apps.
Further information on public warnings
The city provides comprehensive information on disaster protection, civil defense and emergency preparedness – also in multiple languages :
The next major nationwide warning day is planned for September 11, 2025 .
(Darmstadt - Red/PSD/DK)
