The projected probability increase of a certain extreme sea level is often presented as an amplification factor (AF) that indicates the ratio between the future and historical probability of that extreme sea level (Hermans et al., 2023).
The use of these estimates allow one to evaluate the changes of the 1-in-100 years extreme events according to sea level rise projections and provide an estimate of the requested SLR increase to determine a more frequent occurrence, e.g. 1-in-10 year (AF10) or every year (AF100).

References and footnotes