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    The Madden-Julian Oscillation: A Tool for Regional Seasonal Precipitation Outlooks?

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    Author
    Curtis, Scott
    Abstract
    Abstract: The Madden-Julian Oscillation (MJO) is an important intraseasonal climate signal which circles the global tropics, but also impacts extratropical weather regimes. Few studies have investigated whether the MJO is a source of regional seasonal climate predictability. The present objective is to determine the extent to which the season and phase (geographic location) of MJO contribute to the frequency of global rainfall anomalies in ensuing seasons. Indices of June-July-August and December-January-February MJO activity for each phase and the El Niño/Southern Oscillation (ENSO) were correlated to three-month averages of rainfall up to a six-month lead time. Field significance was calculated and patterns of the relationships were described. In general, MJO shows some skill in regional seasonal precipitation prediction, but to a lesser extent than ENSO. However, the presence of MJO in the western Indian Ocean and near the date line did reveal a persistent and significant relationship with regional seasonal rainfall, especially over Northern Hemisphere land areas.
    URI
    http://hdl.handle.net/10342/8419
    Date
    2017-09-20
    Citation:
    APA:
    Curtis, Scott. (September 2017). The Madden-Julian Oscillation: A Tool for Regional Seasonal Precipitation Outlooks?. Atmosphere, (8:12), p.. Retrieved from http://hdl.handle.net/10342/8419

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    MLA:
    Curtis, Scott. "The Madden-Julian Oscillation: A Tool for Regional Seasonal Precipitation Outlooks?". Atmosphere. 8:12. (.), September 2017. August 14, 2022. http://hdl.handle.net/10342/8419.
    Chicago:
    Curtis, Scott, "The Madden-Julian Oscillation: A Tool for Regional Seasonal Precipitation Outlooks?," Atmosphere 8, no. 12 (September 2017), http://hdl.handle.net/10342/8419 (accessed August 14, 2022).
    AMA:
    Curtis, Scott. The Madden-Julian Oscillation: A Tool for Regional Seasonal Precipitation Outlooks?. Atmosphere. September 2017; 8(12) . http://hdl.handle.net/10342/8419. Accessed August 14, 2022.
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