Drought Image (image) University of Texas at Austin Share Print E-Mail Caption The La Niña weather pattern can cause droughts in the southern United States, including parts of eastern Texas. Credit The National Oceanic and Atmospheric Administration. Usage Restrictions None Share Print E-Mail 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.