Drop Freezing in Clouds

Charles A. Knight Nationai Center for Atmospheric Research Boulder, Colo. 80303

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Nancy C. Knight Nationai Center for Atmospheric Research Boulder, Colo. 80303

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Abstract

Study of frozen drops preserved as hailstone embryos shows that breaking during freezing is fairly common. Drops in clouds tumble and grow by accretion as they freeze. Both effects are expected to favor shattering, but neither has been simulated properly in laboratory studies of possible ice multiplication.

Abstract

Study of frozen drops preserved as hailstone embryos shows that breaking during freezing is fairly common. Drops in clouds tumble and grow by accretion as they freeze. Both effects are expected to favor shattering, but neither has been simulated properly in laboratory studies of possible ice multiplication.

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