The incidence and azimuth angles of hailfall

D. Roos
1983 South African Journal of Science and Technology  
Simple equipment and mathematical methods for determining the incidence and azimuth angles of hailstones and a representative value of the wind speed during hailfall are presented. These techniques are currently employed in research in agriculture.
doi:10.4102/satnt.v2i2.1106 fatcat:eb2vvarwlbfvtdxewgxfeljvxi