How To Start Operations for an Existing Case for Plume Calculations Log on to the machine and open an xterm. Change into the OMEGA operations directory: '% cd /opt/ops/' Start xomega: '% xomega' Click on Case & Run Manager. Select your "caseid" in the Loaded Cases list with a single click. Click on New Run. Delete the default text and input "tmp". Then click on Create. On the Case & Run Manager dialog click OK. Click on Set Temporal Domain. If needed, adjust the dates so that the difference between Start and End values equals the total length of your desired simulation. Typically you can just adjust the Day entries. For example for a 72 hour simulation make sure the End Day is 3 days after the Start day. Then click OK. Click on Set Meteorology Data. If needed, adjust the Gridded Weather Model, and Observation menus to match your operational met feeds. Then click OK. Click on Set ADM Sources. If needed, switch Diffusion Mode. On the Map Controls dialog use the Zoom/UnZoom buttons and the Lon & Lat displays to locate the approximate position of your your source. When you have the general area of your case click on ADM Point. On the Drawing Area click once to place your plume source. If needed, adjust the ADM Source Parameters. Then click OK. Click on Set Model Parameters. If needed, adjust any of the Parameters. Then click OK. Click on Operations Manager. Select Daily Run. Adjust the Time of Day menu to the hour you wish to start your operations. Then click OK. When the Ops Daily Message appears, click OK. Click on Quit XOMEGA Clean up the tmp run. '% rm -r caseid/tmp' END