Alissa Hass is an Assistant Professor of Geography at Middle Tennessee State University. Her areas of expertise include Hazard Climatology, Biometeorology, Applied Climatology, Heatwaves and Climate Change.
Hazard climatologists Alisa Hass and Kelsey Ellis explain the conditions that generated the outbreak of powerful tornadoes Friday night into Saturday — including what may be the first “quad-state tornado” in the U.S. — and why the Southeast is vulnerable to these disasters year-round, especially at night.