Pressure Over Greenland (IMAGE) Columbia Climate School Caption Average pressure over Greenland in summer 2019, with arrows showing wind direction. Credit Tedesco and Fettweis, 2019 Usage Restrictions None License Licensed 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.