Section: 3.5.7 Doing More with Nexrad Data Displays

3.5.7 Doing More with Nexrad Data Displays

Learn to do more with NEXRAD Data Displays

Access realtime NEXRAD data from the file system from the Radar Data Source Chooser

Open the Data Choosers.
In the Data Chooser tree click on the Radar node. Then click on the NEXRAD Local tab to see the NEXARD 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.

Access realtime and casestudies Level3 data from the remote server from the Radar Data Source Chooser

Open the Data Choosers.
In the Data Chooser tree click on the Radar node. Then click on the NEXRAD Remote tab to see the NEXRAD radar data remote chooser panel.
In the catalog selector drop-down, select (or type in) the motherlode catalog this is included. In the collections drop-down, select Level III Radar for Case Study CCS039
- Select a product from product drop down selector, or the first product will be selected
- Zoom in the map and select the station KDVN.
- Click on the Absolute time radio button. Select the images from 1998-06-29 21:00:00Z through 1998-06-29 21:59:00Z.
- Click the Add Source button.
Display the casestudies Level 3 datasets.
In the collections drop-down, select Level III Radar from IDD
Display the real time Level 3 datasets.

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.