It is possible, though the tornado itself would not be the cause.
Tornadoes are often accompanied by very heavy rain which can cause flooding.
A flood can alter the course of a river.
Missouri river
St. louise river
Missouri RiverMississippi River
Missouri RiverMissouri River; Illinois River
Missouri (and Columbia)
Missouri river
NO. The Missouri river is the tributary
The Missouri River flows into the Mississippi River just north of Saint Louis, Missouri.
St Louis lies on the west bank of the Mississippi River. Just north of the city proper, the Missouri River joins the Mississippi.
it is the Mississippi river that is the longest
the Missouri river
The Missouri is a tributary of the Mississippi river. The Missouri is longest river at 2,500 miles. When the Missouri joins the Mississippi they become the largest river system in the world.