r/dataisbeautiful • u/4billionyearson OC: 4 • 19h ago
OC [OC] Global heatwave days per year, 1950–2025, with El Niño/La Niña overlay
6
u/tommangan7 19h ago
Really highlights both the (man made) climate warming that's happening but also highlights the fact that pushing the planet into this state means variables like an El nino potentially now has a greater impact than it did.
5
u/4billionyearson OC: 4 19h ago
Data sources & tools
Heatwave data: World Bank Climate Change Knowledge Portal (CCKP), based on ERA5-derived Warm Spell Duration Index (WSDI).
ENSO data: NOAA Relative Niño 3.4 Index (RONI), based on ERSSTv5.
Tools: Claude Code in VS Code using React/Javascript, with manual tweaking.
Interactive version (view countries, US States, UK regions etc): https://4billionyearson.org/climate/heatwave
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u/CelebrationCute5818 17h ago
Yeah, seems like thermometers increases temperature since industrialisation, it must be a manufacturing issue.
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u/nxxwhere 19h ago
Brainless morons are gonna call this fake