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Evaluate Global Heat Stress with Wet Bulb Temperature Projections

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08-12-2025 09:47 AM
LisaBerry
Esri Contributor
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As climate change continues to worsen, rising temperatures lead to increased heat stress. This poses a risk to human health and may have significant social and economic consequences. A crucial metric to evaluate heat stress and its impact on human health is the wet bulb globe temperature (WBGT). This comprehensive heat stress metric considers not just temperature, but also humidity, wind, cloud cover, and solar radiation, providing a more accurate representation of the heat stress that individuals experience.

To effectively evaluate the risks and impacts of heat stress, having accurate and reliable projections is essential. However, projecting WBGT far into the future presents challenges. Fortunately, researchers at Purdue University have developed a new methodology that uses various climate models and scenarios to calculate WBGT projections. The research team has contributed their WBGT projections dataset to the Living Atlas, where it is now available to all!

Wet BUlb.png

For the full blog and detailed information about Wet Bulb Temperatures, visit this blog by @rantwerpen.

Contributors
About the Author
I work as a Senior GIS Engineer and Evangelist for the ArcGIS Living Atlas of the World team. I work with demographic datasets in order to create useful, understandable, and detailed demographic maps available through the online platform. I specialize in ArcGIS Online cartography, Arcade, python, and smart mapping.