Clim4Cast
Heatwave – Universal Thermal Climate Index

Heatwave – Universal Thermal Climate Index

The Universal Thermal Climate Index (UTCI) is a bioclimatic index that describes the physiological comfort of the human body under specific meteorological conditions.

More about Universal Thermal Climate Index

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Detailed information about the Universal Thermal Climate Index

It considers not only the ambient temperature but also factors such as humidity, wind, and radiation, all of which significantly impact our physiological response to the environment. UTCI is based on the UTCI-Fiala model (Fiala et al., 2012), which combines a dynamic thermoregulation model with a variable clothing insulation model to estimate the “apparent” temperature. This apparent temperature reflects the conditions needed in a reference environment to produce the same physiological response as the given environment. The data needed for the calculation of UTCI are derived from the ECMWF’s IFS weather forecast model.

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Geosphere Austria
Slovak Hydrometeorological Institute (SHMI)
Slovenian Environment Agency (ARSO)
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