Trigger charts often live in a report appendix while operations runs on experience. Closing that gap starts with translating model outputs into rates and vectors that instruments actually measure.
Checklist we use before issuing trigger tables:
• Back-analysis of the last movement event with updated material properties
• Radar line selection covering the failure mechanism, not just the crest
• Rainfall and pore-pressure scenarios reflected in warning tiers
• Named owners for each tier — who gets the call at 2 a.m.?
Revisit triggers after every major pushback or hydrological change. A model calibrated two years ago is a historical document, not an operating manual.