Global Extreme Weather and Climate Change Dashboard
What's New
Everything added to this dashboard since it launched on August 19, 2026, newest first. Routine data refreshes and the daily Earth image run on their own schedule and are not listed here.
- Drought went from one measure to three, on the global Drought page and all six continent pages: meteorological (a rainfall deficit), agricultural (a root-zone soil-moisture deficit) and hydrological (a river low-flow deficit).
- Africa and South America show a detected increase on all three. Europe, North America and Oceania detect on none; Asia detects only in soil moisture. Globally, only hydrological drought detects — the regional signals do not aggregate.
- Hydrological drought needed no new download: it reads the low tail of the GloFAS river-discharge record the Flooding page already uses for the high tail. Agricultural drought adds a new ERA5 soil-moisture backfill, root zone 0–100 cm plus the surface layer, 573 months.
- The AR6 comparison now tests the report's "agricultural drought in some regions" finding directly, and the Methodology page and PDF cover both new indices.
- Two corrections to the Detection & Attribution page. It had described Africa's soil moisture as a detected increase; at p=0.079 against its false-discovery-adjusted bar of 0.05, it is not one, and South America is the only continent detecting on all three drought measures. It had also counted Frost Days among the cold extremes showing a detected decrease; at p=0.053 against a 0.046 bar, it does not clear that bar either, so the count there is 2 of 4, not 3 of 4. Both claims are now checked against the data on every build, so a future refresh that moves a p-value across a threshold fails the build instead of quietly leaving the wrong sentence up.
- A record of 30 years or fewer now suppresses the trend line — the boundary previously let an exactly-30-year record through. The Every Variable table marks each affected series "time series too short" rather than rendering a detection judgment.
- The Methodology page gained a Data Sources — Attribution & Licensing section naming every provider, the citation each one asks for, and its license terms.
- A chart whose trend line is hidden for a too-short record now says so in its legend, rather than leaving the omission unexplained. The Every Variable table lists which series those are.
- Launch
- The dashboard went live at globalextremeweather.thehonestbroker.org with eight phenomena pages — tropical cyclones, heat waves, cold extremes, convective instability, wildfire, extratropical cyclone intensity, drought and flooding — each drawn from a publicly available official source.
- Alongside them at launch: six continent pages, from Africa to South America, breaking every phenomenon down by region; the Library; the reworked Loss Normalization page; and the AR6 consistency layer that sets each result against what the IPCC concluded for that hazard and region.
- The header links to the companion US dashboard, and links to this site unfurl with a title, description and image when shared.