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The table for event frequency for moderate and heavy snow and the charts presented in the note were prepared from data extracted from the Loring AFB, ME, hourly surface observations tape and the historical map tapes. Average Map Displays (AVMAPS) were prepared for 1000mb, 850mb, 700mb and 500mb for moderate to heavy snow cases associated with an initial surface wind from the northeast quadrant or the southeast quadrant. (Author)

The paper presents a summary of thermal parameters as predictors of precipitation type at Carswell AFB, Texas. The material presented in this paper may be used to make an objective forecast when the input data are extracted from current observations and prognastic facsimile charts. The Greater Southwest Airport (GSW), Fort Worth, Texas, radiosonde data (for 0000Z and 1200Z) are correlated against precipitation type that occurred at Carswell AFB, Texas, within plus or minus three hours of radiosonde time. Thermal parameter combinations used in this study are: 1000-850mb thickness, 1000-700mb thickness, 1000-500mb thickness; surface and 950mb temperatures. (Author)

The paper presents a summary of thermal parameters as predictors of precipitation type at Kincheloe AFB, MI. The material presented in this paper may be used in the preparation of an objective forecast when the input data is extracted from current observations and prognostic facsimile charts. The Sault Ste. Marie, MI, radiosonde data (0000Z and 1200Z) are correlated against precipitation type that occurred at Sault Ste. Marie AFB, MI. Thermal parameter combinations used in this study are: 1000-850mb thickness, 1000-700mb thickness, 1000-500mb thickness, 850-700mb thickness; surface, 950mb, 850mb and 700mb temperatures; 850mb wind direction. (Author)

The paper presents a summary of thermal parameters as predictors of precipitation type at Loring AFB, ME. The material presented in this paper may be used to make an objective forecast when the input data is extracted from current observations and prognostic facsimile charts. The Caribou, ME, radiosonde data (0000Z and 1200Z) is correlated against precipitation type that occurred at Loring AFB, ME. Thermal parameter combinations used in this study are: 1000-850 mb thickness, 1000-700 mb thickness, 1000-500 mb thickness; surface, 950 mb, 850 mb and 700 mb temperatures. (Author)