landspout n.— « The storm produced small tornadoes often known as “landspouts.”…A landspout tornado is not a traditional tornado and usually not as strong, however they can be quite impressive.» —“Mike’s Weather...
bow echo n.— «The line of thunderstorms had developed into what is known as a bow echo, named because the line of storms surges or “bows” out to the east and northeast due to strong winds associated with the storms...