1. Definition of icing conditions

1.1 Physical viewpoint

From a physical point of view, a cloud of droplets is frosty when the air temperature and the liquid droplets are in thermal equilibrium at a temperature below 0°C. Under these conditions, supercooling characterizes the thermodynamic state of water. Experimentally, the lowest temperature at which the phenomenon can still be observed is around – 40 °C .

Using satellite data, Hu et al. showed in 2010 that negative-temperature liquid water clouds account for 95% of low-layer...

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Definition of icing conditions

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Instrumentation

Bibliography

(1) - BAUMGARDNER (D.) - An analysis and comparison of five water droplet measuring instruments. - Journal of Climate and Applied Meteorology, 22, n° 5, p. 891‐910, doi:10.1175/1520-0450(1983)022<0891:AAACOF>2.0.CO;2, 1 ^er mai 1983.
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