EF2 tornado in White County, Indiana

A review of radar data and damage details near the southwestern White county tornado revealed a separate tornado, which also reached EF2 intensity, occurred roughly 10 minutes behind the first tornado. The tornado touched down west of County Road 1100 West and north of the White/Tippecanoe county line where it impacted a farm, destroying two barns (one large and one small) with debris being thrown more than a half mile away from the location. In addition, several healthy pine trees lost branches with a few being snapped at the trunk and then launched or dragged several hundred feet to the east. The tornado moved northeast and impacted a residence on US 231, south of County Road 1200 South. The entire roof of a one story home (DI: FR12 DOD: 6) was removed and thrown northeast into a field. Two by four boards were driven into the field up to 250 yards away. The tornado eventually crossed Interstate 65 hitting yet another farm with extensive barn and shed damage on County Road 500 West, south of State Route 18. Power pole damage was noted in this area as well, but was not clear if this was from the prior tornado just to the north. Northeast of this location, it appears that the tornado quickly dissipated or became harder to detect based on the earlier damage. Maximum winds are estimated at 120 mph.

Deep low pressure moved across the northern Great Lakes, with a strong cold front trailing well south into Arkansas. A 50 to 60 knot low level jet aided in advecting in dewpoints greater than 60 degrees. 0-1km storm relative helicity values of 400 to 600 m2/s2 setup the perfect environment for individual thunderstorms to rapidly rotate. Numerous circulations were noted during the event, some significant, which produced swaths of wind damage as well as several weak to strong tornadoes. Given forward speed of 60 mph or more, the convection quickly translated across the area in a matter of hours.