Clouds over Hawaiian Mountians (image) University of Hawaii ‑ SOEST Caption Clouds and rain, as seen here over the island of Oahu, Hawaii, are influenced by trade wind patterns. Credit Chris Ostrander - University of Hawaii at Manoa, SOEST Usage Restrictions Photo may only be used with appropriate caption and credit. 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.