Original: It attained tropical storm status the next day, and on August 16 Erin made landfall near Lamar, Texas, and persisted over land across Texas before moving northward into Oklahoma.
Simplified: It became stronger and changed into a tropical storm the next day, and on August 16 Erin made landfall near Lamar, Texas and was able to not die as it moved over land across Texas before moving towards the north into Oklahoma.