Note: #5 Epoxy MUST be used for TargetÂ® Stair Tread installations Note: For Tread nosing, see #10 Epoxy Stair Nosing Caulk below DIRECTIONS: 1  Be sure the substrate is clean, dry and smooth. 2  Stair Treads and Risers should be pre-cut side to side and front to back before spreading any adhesive. 3  Pour equal amounts of part âBâ into part âAâ and mix ...
Tornadoes often develop from a class of thunderstorms known as supercells. Supercells contain mesocyclones, an area of organized rotation a few miles up in the atmosphere, usually 1â6 miles (2â10 km) across. Most intense tornadoes (EF3 to EF5 on the Enhanced Fujita Scale) develop from supercells.
Preliminary reports indicate 20 to 25 tornadoes formed Sunday in South Dakota, Iowa, Oklahoma and Texas, according to meteorologist Greg Carbin of the Storm Prediction Center in Norman, Oklahoma.The storm system was expected to slowly move east. Thunderstorms were forecast from Texas to the Great Lakes region.reliminary reports indicate 20 to 25 tornadoes formed Sunday in South Dakota, Iowa, Oklahoma and Texas, according to meteorologist Greg Carbin of the Storm Prediction Center in Norman, Oklahoma.