Distance and latitude/longitude coordinates are displayed when you mouse over the map. The origin for distance measuring is indicated by a red dot and defaults to either your location, if specified and in range, or the location of the radar/the centre of the map. The origin may be changed by clicking elsewhere on the map.
Lightning data supplied by GPATS
Location Radar Type Typical Availability
13:27 EDT Large and powerful surf is hitting parts of the east coast this weekend, creating dangerous conditions for much of the public, but great for experienced surfers.