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Snowfall observations from natural-draft cooling tower plumes.

M L Kramer, D E Seymour, M E Smith

    Science (New York, N.Y.)
    |September 24, 1976
    PubMed
    Summary
    This summary is machine-generated.

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    Large natural-draft cooling towers can cause snowfall. This phenomenon, observed in 1975-1976, led to snow accumulations and reduced visibility near power plants.

    Area of Science:

    • Environmental Science
    • Atmospheric Science
    • Engineering

    Background:

    • Large natural-draft cooling towers are used in power plants to dissipate waste heat.
    • The atmospheric effects of cooling tower plumes, particularly during winter, require investigation.

    Purpose of the Study:

    • To document and analyze the occurrence of snowfall attributed to cooling tower plumes.
    • To assess the extent of snow accumulation and its impact on visibility.

    Main Methods:

    • Observational study during the winter of 1975-1976.
    • Field measurements of snow accumulation and visibility in the vicinity of cooling towers.

    Main Results:

    • Snowfall was observed originating from cooling tower plumes.

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  • Snow accumulations reached up to 2.5 cm on the ground at distances from the towers.
  • Visibility was reduced to less than 1600 meters within the plume near ground level.

    • Conclusions:

    • Cooling tower plumes can lead to localized snowfall events.
    • These events can impact ground conditions and visibility, necessitating further study for mitigation strategies.