Abstract: Synoptic data are studied to determine which, if any, parameters representing large-scale physical processes can be used to discriminate effectively between days of insignificant convective activity and those with significant ...

Abstract: The evolution of the mean low-level environmental wind and moisture content at Sterling, Colorado, on days preceding, during and following hail episodes has been determined from National Hail Research Experiment soundings. ...

Abstract: Climatological and environmental conditions associated with funnel cloud occurrences without tornadoes have been examined and compared with corresponding conditions of the tornado environment. The purpose was to determine ...