What is the procedure to FTP a file subset?
• First, go to the general search page to find the data you want to retrieve. • Highlight (click on) the dataset(s) and/or variable(s) that are of interest. For example, choose: Data Set: NCEP Variable: Sea Level Pressure • Push the Submit button. This will return to you a list of SLP files from the NCEP data set. • Choose the map icon to create a plot or a subset for the data of interest. • Enter the geographic region you are interested in. • Select the start and end time. If you want the whole time span you should select the first time on the left menu and the last time on the right menu. • If you want to create the subset without making a plot, first select the “Create a subset without a making a plot” radio button and push the “Create Plot or Subset of Data” button. • At this point you should have a web page containing a link to the file subset. If you follow this link, most browsers are set up to prompt you to save the file on your local disk. Alternatively, position your cursor o