+1
Have a plan. Have a designated human as a weather monitor. Empower that person to make decisions. Provide the weather monitor with the appropriate services and data to make sound decisions.
Don't allow financial decisions to enter in the conversation, safety should be the only factor.
Locally we were lucky when the Beyoncé concert was here... I plugged the venue (even though I have nothing to do with it) into our weather monitoring service, and evacuation calls were made far too late based upon lighting strike monitoring for my comfort. They were very lucky the severe storms didn't injure anyone.
Fwiw - we use an 15 and 8 mile lighting bubble. The goal being once in the 15 mile bubble, evacuations should start. By the time lightning is in the 8 mile bubble evacuations should be complete. Lightning should fully exit the 15 mile bubble before activity resumes...
We also have wind bubbles programmed at different speeds dependent upon the venue, tents, staging, etc.
All alarm trips send alerts to staff phones registered, and the phone software bypasses silent settings on your phone. It's most excellent.
Be safe.
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