A fast-moving storm tore through the Washington D.C. area Sunday knocking down trees and power lines in its path. Did you see the damage? Help us plot downed trees, broken windows, dark traffic signals and other storm-related damage.

Instructions: To add a placemark, go here and click 'Edit.' Drag the blue placemark icon in the upper lefthand corner of the map to the location of your incident. Then add a title and description and click 'OK.' You can also type an address into the Google search field, then click the pink placemark and save it to 'Post user map: Sunday storm damage.' Then view the map and edit your placemark's title and description.

**NOTE: This is an open collaboration map. The Post cannot vouch for the accuracy of the information. **

Related: Hundreds of thousands still without power

View Sunday storm damage in a larger map

The Washington Post Company