March 25, 2024 Lawhorn, B. and R. C. Balling Jr. 2020. Temporal and spatial variations in freeze warnings in the conterminous United States: 2005–2018. Theoretical and Applied Climatology 139:1379-1384. Home » Lawhorn, B. and R. C. Balling Jr. 2020. Temporal and spatial variations in freeze warnings in the conterminous United States: 2005–2018. Theoretical and Applied Climatology 139:1379-1384.