A mild snowstorm. A winter storm is an event in which varieties of precipitation are formed that only occur at low temperatures, such as snow or sleet, or a rainstorm where ground temperatures are low enough to allow ice to form (i.e. freezing rain).
Federal amendments are generally due within three years from the date the return is originally due. The tax year and due date are a little confusing to understand, so the easiest way to think of due dates is to add one year to the tax year you want to amend.
How long will it take to process my amended tax return? A Form 1040X-Amended Tax Return can take up to 16 weeks to process once the IRS receives it. It can take up to three (3) weeks from the date you mailed it to show up in our system.