Sounds like it could be as many as 3 separate issues to me
1) a tire with bad rubber compound - shouldn't be worn out at less than 18k
2) alignment isn't right - steering wheel shouldn't be shaking
3) a tire with a separated belt or cord - the wubba, wubba, wubba, sound...

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1984 300 Coupe TurboDiesel
Silver blue paint over navy blue interior
2nd owner & 2nd engine in an otherwise
99% original unmolested car
~210k miles on the clock

1986 Ford F250 4x4 Supercab
Charcoal & blue two tone paint over burgundy interior
Banks turbo, DRW, ZF-5 & SMF conversion
152k on the clock - actual mileage unknown