Mentor: Dr. John Allen
Climatology of High Shear Low-CAPE Tornadic Environments in the United States
Tornadoes that occur in atypical environments present a challenge to understanding their climatological frequency and occur over highly populated regions. High-shear, low CAPE (HSLC) environments, are classified by surface environments with CAPE values of ≤500 J kg-1 to CAPE values ≤1000 J kg-1, and 0-6 km shear vector magnitude ≥18 ms-1 and occur across the United States. Progress has been made in characterizing these environments, but the climatology dataset it limited to only a small number of years. HSLC environments occur at all times of day, across all seasons, and throughout the entire U.S. HSLC environments represent a unique challenge because they occur frequently but produce severe weather a relatively low percentage of the time. With an expanded climatology dataset studying HSLC environments, a better grasp of the climatological frequency of these events is possible and could lead to insights in other areas of the world beyond the United States.