EF2 tornado in Grayson County, Texas

The tornado first touched down in a field near Thousand Oak Trails. It then moved through the Sherwood Oaks community, producing extensive and widespread damage to trees and homes. Multiple manufactured homes were flipped, many trees were snapped in half, and one home was moved off its foundation. The tornado then crossed Lake Texoma and moved into Marshall County Oklahoma. A total of 105 structures were damaged, 53 destroyed, and 27 sustained major damage. Maximum estimated winds in Grayson County were 130 mph. One fatality occurred in a mobile home.

A strong shortwave trough aided in the development of scattered to numerous thunderstorms during the late morning, afternoon, and evening hours of March 21. Thunderstorms initially fired along a dryline, many of which became severe, and some of which produced strong tornadoes. A total of 17 tornadoes were confirmed by storm survey teams, the strongest of which was the EF-3 Jacksboro tornado. One death occurred in a tornado in Grayson County near the Red River.