Cory Armstrong (IMAGE) University of Nebraska-Lincoln Caption Cory Armstrong, Ruth E. Pike Professor in Journalism at the University of Nebraska-Lincoln, recently studied public understanding of tornado alerts issued by the National Weather Service. Credit University Communication and Marketing/University of Nebraska-Lincoln Usage Restrictions For use with news reports related to "Are You Watching or Warning? the Role of Comprehension, Warning Lead Time and Prior Experience on Individual Preparation of Tornadic Events," a study published May 9 in the Journal of Extreme Events License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.