Le sirene suoneranno in tutta la Svizzera mercoledì 7 febbraio a partire dalle 13:30. Si tratta della consueta prova generale dei dispositivi di allarme alla popolazione.
Il programma della prova - lo ha fatto sapere lunedì il Dipartimento ticinese delle istituzioni - prevede dapprima l’attivazione delle sirene per l’allarme generale (414 dispositivi sul territorio cantonale): alle 13:30, 13:45 e 13:55 sarà diffuso un suono continuo e modulato, dalla durata di un minuto.
Alle 14:20 e alle 15:10 sarà invece la volta delle sirene per l’allarme acqua: sono 128 dispositivi situati nelle zone a valle degli impianti di accumulazione (dighe). In questo caso saranno diffusi 12 suoni continui e gravi, in sequenze di 20 secondi a intervalli di 10 secondi, per un totale di sei minuti.
Prova delle sirene, si chiede più inclusione
Telegiornale 01.02.2023, 21:00
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