National Weather Service United States Department of Commerce

Severe Thunderstorms in the Central Plains; Heavy Rainfall in the Mississippi and Tennessee Valleys; Critical Fire Weather in the Southwest

Scattered severe storms capable of large to very large hail, severe wind gusts, and a few tornadoes will be possible across the central Plains. Heavy rain will pose a flash flood threat across portions of the Mississippi Valley into the Tennessee and Ohio Valleys. Hot, dry and windy conditions will continue to bring a critical fire weather threat from the Southwest into the Great Basin. Read More >

A tornado moved from near Tionesta to north of Marienville, crossing the Allegheny River.  Seven people were injured and over 700 structures were damaged or destroyed.  Patterns of trees downed by the tornado showed the fan-like shape of a microburst next to the tornado track.
Source: NCDC Storm Data: May 1985; Volume 27, Number 5


Source: NCDC Storm Data: May 1985; Volume 27, Number 5