Section: 4.4.5 Doing More with Level II Data Displays

4.4.5 Doing More with Level II Data Displays

Learn to do more with Level II Data Displays

Access realtime level II data from the file system from the Level II Data Source Chooser

Open the Data Source Chooser.
In the Data Source Chooser click on the Radar tab. Then click on the Level II tab to see the Level II radar data chooser panel.
From the Relative Times selector, select the Use Most Recent 5 files.
Use the directory (folder) selector to find the radar station data you want.
- Go to the directory where the data are stored (e.g., /data/gempak/nexrad/craft).
- Pick a station that has weather today.
- Click the Add Source button.
Open the Data Source Properties editor for the dataset.
In the Polling section, check the Active option and set the Check every box to 5 minutes, then click OK.
Select the Reflectivity field and the Radar Sweep View in 2D display, then click Create Display.
Wait for 5 minutes and see that the display reloads with new data.

Load Level II data for three or four times from three adjacent stations which have some detectable signals over the combined area.
Make 2D sweeps plots from all stations. Experiment to see if the order you display data from stations makes a difference.
Display the same data with 3D sweeps and rotate the view window to see intersecting sweeps.

Select a satellite data source that covers a region of the US that includes radars with echos.
Overlay the satellite image with Level II radar data.