The body of a 13-year-old girl was found in a Kentucky neighborhood razed in last weekend's tornadoes and storms that lashed six U.S. states, raising the death toll in the state to 76 and 90 overall, per AP.

The big picture: Nyssa Brown was one of seven family members to die in the Bowling Green tornado. The National Weather Service has released preliminary findings showing that western Kentucky was hit by an EF-4 tornado on the Enhanced Fujita Scale — meaning the damage it caused was "devastating."

Thank you for your patience through the survey process of this historic tornado event that impacted Western Kentucky Friday night. The portion of the long-track tornado from Fulton County to Muhlenberg County in Western Kentucky will be given a preliminary damage rating of EF4. pic.twitter.com/N5hM3aEmKb

— NWS Paducah, KY (@NWSPaducah) December 15, 2021

Go deeper: What to know about December's deadly tornado outbreak