Responsive action should be taken soon, within the next hour.

Extraordinary threat to life.

Responsive action should be taken in the near future.

Responsive action should be taken immediately.

Possibility > than 50%.

Minimal to no known threat to life.

Possible threat to life.

Determined to have occured or to be ongoing.

Responsive action is no longer required.

Possible but not likely - < 50%.

Significant threat to life.

Certainty not known.

Severity unknown.

Urgency not known.

Not expected to occur.

TODO type these fields instead of string.