FYI:

Maui's emergency management chief deliberately chose not to sound sirens during last week's wildfire. He said sirens in Hawaii are used to alert people to tsunamis, and that using them during the fire might have led people to evacuate toward the danger.

Here is my source:

https://www.reuters.com/world/us/biden-travel-hawaii-meet-with-wildfire-survivors-2023-08-16/