Practical procedures for forecasting areas of overcast skies and precipitation are presented. The forecast thickness field is relabeled as a forecast maximum precipitable water field. A forecast actual precepitable water field is then graphically subtracted from this field to derive a forecast saturation chart. The forecast saturation chart is then adjusted with the forecast vertical-motion field. Isopleths of critical values on the adjusted saturation chart outline forecast areas of overcast skies and areas of probable precipitation.
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Research Article| 1 February 1961
A Graphical Technique of Forecasting Overcast Skies and Precipitation with Central Weather Facility Products
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Jenrette, J. P., 1961: A Graphical Technique of Forecasting Overcast Skies and Precipitation with Central Weather Facility Products. Bull. Amer. Meteor. Soc., 42, 110–117, https://doi.org/10.1175/1520-0477-42.2.110.
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