Tornado paths range from 100 yards to 2.6 miles wide and rarely travel more than 15 miles, although some strong tornadoes on record have crossed through multiple states (e.g. the Tri-State Tornado of 1925). They can last from several seconds to more than an hour, but most don't exceed 10 minutes.
1 If you filed for a deduction for a bad debt or worthless security, the IRS suggests you keep your supporting tax records for 7 years. 2  Under these circumstances, you may generally wish to retain your supportive records for at least 7 years. 3  Employment Tax Records.
What to keep after filing your taxes and how long. Knowing what information to save and for how long can be confusing. As a general rule of thumb, keep tax returns and related documents for at least three years from the April 15 filing deadline.nowing what information to save and for how long can be confusing. As a general rule of thumb, keep tax returns and related documents for at least three years from the April 15 filing deadline.