Pretty leaf frost patterns on a car windscreen in Aberdeen. Photo taken by miss-singsong. For frost to form, the temperature of the surface must be below freezing. But what causes pretty, leaf ...

Weather patterns' influence on frost timing. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2017 / 05 / 170523083724.htm. University of Utah.

To see how frost changed with humidity, the researchers cooled the surface to −30°C and placed it in a sealed chamber. They then introduced nitrogen gas with a water vapour content of 14%, 24% or 34%.

Frost patterns on windscreens a natural wonder. By James Dunlevie. Topic: Weather Phenomena. Tue 24 Aug 2021 Tuesday 24 August 2021 Tue 24 Aug 2021 at 7:43pm.

What causes different frost patterns? Image source, BBC Weather Watcher / miss-singsong. Image caption, Pretty leaf frost patterns on a car windscreen in Aberdeen. Published. 24 September 2024.

Atmospheric circulation patterns, they found, were the dominant influence on frost timing, although the trend of globally warming temperatures played a part as well. Advanced Search Home ...

For frost to form, the temperature of the surface must be below freezing. But what causes pretty, leaf-like patterns to form, as opposed to just a sheet of frost?