A new radar in La Plata County uncovers a 28,000-foot weather shadow in southwest Colorado. ... You will notice what's known as radar clutter on the app and on the website radar image.

Clutter Covariance Matrix (CCM): A statistical representation of clutter characteristics in radar data, critical for adaptive filter design and interference suppression.

Radar ground clutter refers to false echoes on weather radar caused by the radar beam bouncing off objects like buildings or terrain, rather than actual precipitation.