Abstract: A T-28 aircraft has been extensively modified and instrumented to be used as a hailstorm penetration vehicle. The structure of the aircraft was strengthened and all leading edges were armor plated to protect the aircraft ...

Abstract: This paper describes results of two penetrations of a moderate intensity storm made by an armored T-28 aircraft on 22 July 1972 as a participant in the National Hail Research Experiment. The penetrations showed multiple ...

Abstract: Four seasons of hail data were gathered on a randomized cloud seeding project aimed at reducing hail damage and increasing rainfall in western North Dakota. Hail on seed days was generally less severe than on no-seed days. ...