HEAT · Extreme value
Extreme heat
GEV on ERA5 mx2t + elevation lapse downscale · v1.0 · 2026-04
Indo-Gangetic plain to the Tibetan plateau — elevation lapse in action
Elevation lapse-rate downscaling (−6.5 °C/km) produces seam-free 90 m surfaces. UHI correction on the v2 roadmap.
What ships
Surfaces — 0–1 score derived from the 100-year Tmax.
Every release: 0–1 score · 5-class band · per-pixel uncertainty · input-coverage mask · STAC item · methodology doc.
Inputs
ERA5 monthly max temperature 1991–2020, DEM for elevation lapse correction