CD.EWS.07 certainty

Specifies the likelihood that the reported event will actually occur.

Reference: CAP v1.2 Section 6.3.2

Code	Description
Observed	Event has been observed or verified.
Likely	Event is expected to occur with high probability.
Possible	Event may occur; probability is uncertain.
Unlikely	Event is not expected to occur; probability is low.
Unknown	Likelihood is unknown.