Climate change made an unseasonal October heatwave 5x more likely across Houston, San Antonio & Miami today, per @ClimateCentral. 85M+ Americans face temperatures up to 22°F above normal (highs near 97°F).

tinyurl.com/5n9xf5sd #ExtremeHeat #ClimateShiftIndex #Weather #ClimateScience

#Isaias has been slogging through West Gulf waters 3.5-4.5°F above average for early October.

@climatecentral.org's #ClimateShiftIndex shows this warmth would be almost impossible without climate change.

Its path to hurricane status stays over warmer waters, made more likely by the same.