FEMA flood maps show the hospital in a zone with "0.2% annual chance flood hazard", a/k/a a 500-year flood. Map dates to 2008, and I suspect risks have change

FEMA flood maps show the hospital in a zone with "0.2% annual chance flood hazard", a/k/a a 500-year flood. Map dates to 2008, and I suspect risks have changed: "The flood map for the selected area is number47171C0152C, effective on9/3/2008" <https://msc.fema.gov/portal/search?AddressQuery=Erwin%2C%20TN https://msc.fema.gov/portal/search?AddressQuery=Erwin%2C%20T...>