(Riverton, Wyo.) – The National Weather Service office in Riverton is reporting today that a waterspout was observed this past weekend on Dollar Lake in Sublette County, very close to the Teton and Fremont County lines. A weather spotter who was working on the Green River Lakes road saw the phenomenon and photographed it.
The NWS in Riverton did some checking and believe that this may be the highest elevation waterspout ever recorded, which occurred at an elevation of 7,782 feet.
See the above graphic for more information.