It warned of "a line of severe thunderstorms capable of producing damaging winds in excess of 60 mph. … This is a dangerous storm. If you are in its path, prepare immediately for damaging wind gusts and frequent cloud-to-ground lightning. Move indoors to a sturdy building and stay away from windows."
The warning was repeated at 1:20 and 1:40 a.m., then canceled for the city at 1:49 a.m. as the storm moved away to the east. The damage was already done.