Registration allows you access to all available unrestricted free data in our datasets. When you submit registration information and sign in to our website, your information is encrypted and sent in secure mode. We will never share your information with a non-UCAR organization. The information you provide is used only to identify you as a unique user of our data archive so that we can provide meaningful usage metrics to the National Science Foundation and improve data services to our datasets. You may update/edit/correct your information at any time by clicking the "edit profile" link (you must be signed in) at the top of any web page.