Pre-select and mark designated safe areas. Hold tornado safety drills. Train building employees to direct occupants to designated safe areas. Trained spotters should assume their posts when conditions become threatening. The basement or an interior hallway on a lower floor of an office building is safest.
Upper stories are unsafe.
Otherwise, getting under heavy furniture must do. Select and mark designated safe areas in office buildings. Train building employees to direct the occupants to designated safe areas. Weather conditions are right for the formation of tornadoes. Remain alert for approaching storms.