EF1 tornado in Jefferson County, Missouri

A tornado formed on the northwest side of Pevely, MO around 634 PM CDT and tracked to the southeast into the northern portions of town producing minor roof, tree, siding and sign damage. After it crossed Pleasant Road it tracked in a more easterly direction, causing additional minor tree, power line and roof damage before lifting and dissipating on the western side of Oak Valley Golf Course and Resort. Overall the tornado was rated EF1 with a max wind speed of 100 mph. The path length was 0.93 miles with a max path width of 150 yards. No deaths or injuries were reported.

Several strong to severe thunderstorms moved into eastern Missouri in the afternoon hours of April 15th. These storms were initially producing copious large hail, but rapidly transitioned into tornadic storms. The first tornado was associated with a supercell ahead of a congealing line of convection moving rapidly toward the Mississippi River. A portion of this line of storms rapidly surged eastward, resulting in numerous tornadoes in Jefferson county in Missouri, and Monroe, Madison, St. Clair, and Washington counties in Illinois. In total, 12 tornadoes have been identified, including 3 EF-1s, 6 EF-0s, and 3 tornadoes of unknown intensity that produced no damage.