On 6/15 the CAT1 heatwave in the West remained at about the same level on Sunday but may get worse as the week continues. My categorization criteria: guyonclimate.com/2026/05/11/e @katharinehayhoe.com @michaelemann.bsky.social @donsutherland1.bsky.social @weatherprof.bsky.social @capitalweather.com
