TerrAlert Team · 2026-09-09
A monitoring strategy is more than picking a tool. The tool is one piece of a larger system that includes what you decide to watch, how often, who reviews what comes back, and what happens after a real finding. Getting the tool right and skipping the rest of this is a common way organizations end up with expensive alerts nobody acts on.
The first question is not "what can satellites see." It is "what would it cost us to find out about a specific kind of change too late." Different areas and different risks warrant different levels of attention. A single high-value site with real legal or safety exposure deserves closer, more frequent monitoring than a large, low-stakes area where a missed week costs little. Build your list of areas to monitor from that risk assessment, not from what is technically easy to set up.
There is no universal "right" frequency. A slow-moving risk, gradual vegetation loss over a season, can tolerate weekly or even monthly checks without losing much value. A fast-moving one, active construction, an acute flood risk, needs to be checked as often as clear imagery allows, and may need a faster-than-optical signal (like radar) if speed genuinely matters more than visual detail. Setting every area to the fastest, most expensive tier "just in case" both costs more and does not actually help if the underlying imagery cadence, not the checking frequency, is the real bottleneck (see What Is Satellite Monitoring?).
The most common way a good monitoring setup fails in practice is organizational, not technical: an alert arrives and nobody is clearly responsible for looking at it. Before turning monitoring on, decide explicitly: who receives alerts for this area, what they are expected to do with one, and what the escalation path is for something that looks serious. This does not need to be elaborate. A single named owner and a one-line "if X, do Y" is often enough, but it needs to exist before the first real alert arrives, not be improvised in the moment.
Every monitoring system has a knob, explicit or implicit, that trades sensitivity against alert volume. Start closer to conservative, fewer, more certain alerts, especially while your team is still building trust in the system. It is easier to loosen a threshold once people trust what they are seeing than to win back attention after an early flood of noise trained everyone to ignore the channel.
A monitoring strategy is not "set it up once." Areas that mattered a year ago may not matter now; new risks emerge that were not on the original list; a threshold that made sense at launch may need adjusting once you have real data on how many alerts turn out to matter. A short quarterly review, are we watching the right things, at the right frequency, and is anyone actually acting on what comes back, catches most of the drift that otherwise accumulates silently.
Once this framework tells you what to watch and how often, the remaining question is which tool actually does it. See How to Choose the Right Detection and Monitoring System.
How many areas should we start with? Fewer than you might think. Start with the highest-risk areas, prove the workflow works, then expand.
How often should we revisit the strategy? Quarterly is a reasonable default for most organizations; more often if the underlying risks are themselves changing quickly.
TerrAlert's per-area configuration, scan frequency, confidence threshold, alert channel, is covered in the FAQ and pricing pages.
All posts