Australian Weather Calendar: August 2016
Frost is a deposit of soft white ice crystals or frozen dewdrops, formed when a surface is below both freezing point and the ‘dew point’ at which moisture condenses from surrounding air. Frost formation is affected by cloud coverage, humidity, surface winds, topography and location. In Australia, frost is more likely under a clear sky, with low humidity and light surface winds.
Tasha Chawner captured this frosty branch against a clear sky around 7 am on 24 June 2012. She often takes her camera—a Canon EOS 550D—into her backyard on winter mornings. ‘I’m generally in my pyjamas and dressing gown, beanie and gumboots,’ says Tasha, ‘and the neighbours tend to give me odd looks.’