A widespread and deadly tornado outbreak affected the Great Plains, Mississippi Valley, and Southeast between March 12–15, 1953. At least 23 tornadoes were confirmed with the strongest one reaching F4 intensity and striking O'Brien, Texas on Friday the 13th. Overall, 21 people were killed, 72 others were injured, and damages were estimated at $6.835 million (1953 USD). There were additional casualties from non-tornadic events as well.