Statewide test alarm – NRW 2023
On 09 March 2023, the nationwide WarnTag will take place again at 11:00.
For this purpose, the sirens are triggered in all cities and towns.
The test alarm starts with the siren signal “All clear”.
After a 5-minute pause, the “WARNING” signal follows.
After another 5 minutes, the test alarm is terminated again with the “all clear” signal.
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