User blog comment:SilentShadow87/What Makes an EF5 an EF5?/@comment-31861529-20170727125644/@comment-26014793-20170811051848

Depends on what you mean. If you mean into solid rock, then no, although a number of F5-rated tornadoes on the old scale did pull up loose boulders and parts of exposed rock foundations from the ground (the 1960 Prague, Oklahoma tornado and 1984 Barneveld, Wisconsin tornadoes being examples).

If you mean into the soil, then yes, absolutely - it happens with almost every F5/EF5 tornado. Not all F5/EF5 tornadoes scour the ground, though, and some F4/EF4 tornadoes have been known to scour the ground.