Analysis of global cloud imagery from multiple satellites

M. L. Salby, H. H. Hendon, K. Woodberry, K. Tanaka

    Research output: Contribution to journalArticle

    66 Citations (Scopus)

    Abstract

    Synoptic images of the global cloud field have been created from infrared measurements taken aboard four geostationary and two polar-orbiting platforms simultaneously observing the earth. A series of spatial and temporal interpolations together with data reliability criteria are used to composite data from the individual satellites into synoptic images of the global cloud pattern. The composite Global Cloud Imagery (GCI) have a horizontal resolution of about half a degree and a temporal resolution of 3 h, providing an unprecedented view of the earth's cloud field. Each composite image represents a nearly instantaneous snapshot of the global cloud pattern. Collectively, the composite imagery resolve, on a global basis, most of the variability associated with organized convection, including several harmonics of the diurnal cycle. Because of its customized architecture and the homogeneous properties of the GCI, the IAS can perform such analyses on the 3-dimensional data with interactive speed. Statistical properties of cloud variability are presented along with other preliminary results derived from the GCI. -from Authors

    Original languageEnglish
    Pages (from-to)467-480
    Number of pages14
    JournalBulletin - American Meteorological Society
    Volume72
    Issue number4
    Publication statusPublished - 1991

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