Airplane Snow Streak (IMAGE) American Geophysical Union Caption A radar station at Kerava, Finland, recorded a trail of heightened precipitation--the yellow streak to the left--on the aircraft approach path to Helsinki-Vantaa airport (EFHK) in March, 2009. Credit AGU/<em>Journal of Geophysical Research: Atmospheres</em> Usage Restrictions include credit 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.