Key Points Homogeneous freezing may be significant as warm as −30°C Homogeneous freezing should not be represented by a threshold approximation There is a need for an improved parameterization of homogeneous ice nucleation Keywords: homogeneous nucleation, ice nucleation, cloud glaciation, droplet freezing, mixed-phase clouds, cloud ice status released display-pdf yes is-in-collection-domain yes is-olf no is-manuscript no is-preprint no is-journal-matter no is-scanned no is-retracted no Received 2014 Dec 9; Accepted 2015 Feb 1; Accepted 2015 Feb 5; Issue date 2015 Mar 16. 1.
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