How does doppler radar work?

Good afternoon everyone! Here's a quick model radar loop that captures our expected timing for the precipitation later today. While the most widespread rain is forecast overnight, a few thunderstorms along the leading edge of these showers this evening could produce torrential rainfall over portions of the James River Valley up into northeast North Dakota. | US National Weather Service Bismarck North Dakota

1.6K views · 23 reactions | Latest Doppler radar loop shows rain moving from west to east quickly across SoCal with rates of less than 0.10"/hour. Light to moderate rain will continue this morning with showers becoming more scattered this afternoon. | US National Weather Service San Diego California | Facebook