Integration

Seamlessly connecting climate models and real-world data

Wind Speed Pedestrian Wind Comfort Thermal Comfort Heat Stress Cold Stress Microclimate Daylight Availability Sky View Factors Direct Sun Hours Solar Radiation

Cold Stress

Cold Stress simulation identifies areas where the Universal Thermal Climate Index (UTCI) falls below 9°C, mapping the percentage of time throughout the year when thermal conditions create discomfort and potential health risks during colder periods. This analysis reveals how building massing, orientation, and landscape features create microclimates that either exacerbate or mitigate cold exposure, affecting the usability and comfort of outdoor spaces even in temperate regions during early mornings, evenings, or winter months.

The results of this simulation can be filtered by season or annually, and further refined by selecting the time of day in order to show the insights that are most critical to the project's success.

By understanding cold stress patterns, designers can implement strategic interventions including wind barriers, solar access optimization, and thermal mass placement to extend the comfortable use period of outdoor environments. The simulation guides critical decisions about street canyon proportions, building setbacks, and placement of pedestrian pathways to minimize exposure to harsh conditions while maximizing opportunities for passive warming. These evidence-based design responses not only enhance human comfort but also contribute to energy efficiency by reducing heating demands and creating more resilient outdoor spaces that remain functional across seasons.

Cold Stress FAQ

What UTCI threshold indicates cold stress conditions?

Cold stress is mapped when UTCI falls below 9 degrees Celsius, the point at which thermal conditions create discomfort and potential health risks during colder periods, affecting outdoor space usability.

How can cold stress simulation help extend outdoor usability in winter?

It reveals where wind exposure and lack of solar access cause the most cold discomfort, guiding placement of wind barriers, solar-optimized seating areas, and thermal mass elements to create warmer microzones.

Can cold stress results be filtered by time of day?

Yes. You can analyze cold stress patterns for specific seasons, months, and times of day to understand when and where cold discomfort peaks, enabling targeted design responses for critical periods.

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