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    A simple diagnostic for the detection of atmospheric fronts

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    Date
    2017-05-14
    Author
    Parfitt, Rhys  Concept link
    Czaja, Arnaud  Concept link
    Seo, Hyodae  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/9066
    As published
    https://doi.org/10.1002/2017GL073662
    DOI
    10.1002/2017GL073662
    Keyword
     Atmospheric fronts; Objective frontal detection 
    Abstract
    In this article, a simple diagnostic to identify atmospheric fronts objectively from gridded data sets is presented. For this diagnostic, fronts are identified as regions where the normalized product of the isobaric relative vorticity and horizontal temperature gradient exceeds a threshold value. The purpose is to introduce a method that is both robust and particularly straightforward in calculation. A climatology of atmospheric fronts, as well as the identification of an individual frontal system, is computed using this diagnostic. These are subsequently compared to a more traditional frontal detection method and the similarities and differences discussed.
    Description
    Author Posting. © American Geophysical Union, 2017. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 44 (2017): 4351–4358, doi:10.1002/2017GL073662.
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    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 44 (2017): 4351–4358
     

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