Figure 1: Map of the Arctic (IMAGE) Research Organization of Information and Systems Caption Map of the Arctic (upper left figure) and the observation points where upper atmosphere meteorological observations were conducted (right-hand figure). The data acquired is reported real-time via the Global Telecommunication System (GTS) and used to make weather forecasts. The figure at the bottom left shows a time series of the number of observations that were successfully reported per day. Credit NIPR/JAMSTEC Usage Restrictions all users 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.