Indiana residents woke up to a surprising sight Feb. 18 - their vehicles coated in a fine layer of dust that had traveled hundreds of miles from Kansas and Nebraska. National Weather Service meteorologist Casey Crosby explained that windstorms in the Great Plains on Feb. 17 kicked up dirt and dust that remained aloft at 5,000-10,000 feet before being deposited by gentle rainfall.

The phenomenon occurs when strong winds keep dust particles suspended in the atmosphere for extended periods. Crosby noted these Great Plains windstorms are typical for this time of year, with gusts powerful enough to carry debris across state lines. The dust remained airborne throughout the night before the rain brought it down across central Indiana.

While unusual, this type of atmospheric transport isn't unprecedented in the region. Similar events have been documented when severe weather systems in the western states interact with precipitation patterns in the Midwest. The light coating was easily washed away but served as a reminder of how interconnected weather systems can be across the country.