At 5:36 p.m. on Monday, the Buffalo National Weather Service Office issued a Tornado Warning for a portion of northeast Cattaraugus County.
At this time, there was a severe thunderstorm capable of producing a tornado. Doppler Radar detected rotation in this storm on Monday near Ashford.
The storm moved to the northeast at 15 miles per hour, impacting Franklinville and Great Valley.
The Buffalo National Weather Service will send a survey team out Tuesday morning to check out the damage pattern.
They will determine if the damage was from a tornado, and if it was, they will issue a report.
WATCH: 7 News looks into reports of a tornado touching down in Great Valley
Unconfirmed tornado reportedly touches down in Great Valley