Table 1. Mapped categories for the MCE future projections.

Category	Area in current MCE?	Percent of AOGCM simulations projecting area will be in future MCE
Confident Stable	Yes	90–100%
Likely Stable	Yes	66–90%
Uncertain	Yes	33–66%
Likely Contraction	Yes	10–33%
Confident Contraction	Yes	0–10%
Confident Expansion	No	90–100%
Likely Expansion	No	66–90%