topic Mosaic NEXRad Radar data in Transportation Questions https://community.esri.com/t5/transportation-questions/mosaic-nexrad-radar-data/m-p/660513#M2177 <HTML><HEAD></HEAD><BODY><SPAN>[ATTACH=CONFIG]15794[/ATTACH]</SPAN><BR /><BR /><SPAN>I am trying to mosaic NEXRad radar data from 4 different radars in New England.&nbsp; I want a mosaic for multiple times during Tropical Storm Irene so that I can run PCA.</SPAN><BR /><SPAN>I am having difficulty finding an efficient way of making a mosaic of the radar data.&nbsp; I have attached a screen shot of what the data looks like when I load it into ArcMap and classify it (This was downloaded through the weather and climate tool kit and exported as an ESRI ASCII Grid file.</SPAN><BR /><SPAN>The issue with trying a mosaic is that there seems to be false values outside of the central sphere of the radar.&nbsp; These values interfere with the mosaic.&nbsp; I was able to extract the central sphere of the radar to avoid this problem, but it is a timely process when trying to do this for multiple radars at multiple times.</SPAN><BR /><BR /><SPAN>Any ideas?</SPAN></BODY></HTML> Thu, 05 Jul 2012 19:28:29 GMT BronsonShonk 2012-07-05T19:28:29Z Mosaic NEXRad Radar data https://community.esri.com/t5/transportation-questions/mosaic-nexrad-radar-data/m-p/660513#M2177 <HTML><HEAD></HEAD><BODY><SPAN>[ATTACH=CONFIG]15794[/ATTACH]</SPAN><BR /><BR /><SPAN>I am trying to mosaic NEXRad radar data from 4 different radars in New England.&nbsp; I want a mosaic for multiple times during Tropical Storm Irene so that I can run PCA.</SPAN><BR /><SPAN>I am having difficulty finding an efficient way of making a mosaic of the radar data.&nbsp; I have attached a screen shot of what the data looks like when I load it into ArcMap and classify it (This was downloaded through the weather and climate tool kit and exported as an ESRI ASCII Grid file.</SPAN><BR /><SPAN>The issue with trying a mosaic is that there seems to be false values outside of the central sphere of the radar.&nbsp; These values interfere with the mosaic.&nbsp; I was able to extract the central sphere of the radar to avoid this problem, but it is a timely process when trying to do this for multiple radars at multiple times.</SPAN><BR /><BR /><SPAN>Any ideas?</SPAN></BODY></HTML> Thu, 05 Jul 2012 19:28:29 GMT https://community.esri.com/t5/transportation-questions/mosaic-nexrad-radar-data/m-p/660513#M2177 BronsonShonk 2012-07-05T19:28:29Z