Radar indicates the linear nature of a squall line .
From the eastern plains of Colorado we see a distant, approaching squall line, about 20 miles to the west. Further east from the High Plains, we would be less likely to have this unrestricted view because of haze and intervening clouds. Moller Nevertheless, similar storm structure, with new updrafts developing on the leading edge of the gust front , will be present regardless of location. Credits and Acknowledgments for WW2010.