Why it matters
Incident severity matters because teams need a precise shared meaning for a ranked label for how bad an incident is. Vague language turns incidents into arguments about words instead of fixes.
When everyone uses the same definition, alerts, status updates, and post-incident reviews stay aligned.
How it works
In practice, a ranked label for how bad an incident is shows up as a concrete signal you can measure or communicate. Operators define what good looks like, watch for deviations, and record what happened when expectations break.
The useful version of incident severity is operational: it changes who gets notified, what customers see, or which metric a team reviews after an incident.
Practical example
Imagine a team operating around severity high for payments API downtime. When observed behavior stops matching the definition of incident severity, the team treats that change as a reliability event with a clear owner and next step.
Common misconception
Severity is the same as priority forever
That reading usually collapses distinct ideas into one slogan. Keep incident severity tied to observable behavior so the definition stays useful under pressure.
How Fajita handles this
Fajita lets teams set severity so routing and status communication match impact. See degraded vs down.