SAVANNAH, Ga. (WTGS) — On Tuesday, NASA sent a high-flying plane with a 150 ft wingspan to measure snowstorm activity to the Hunter Army Airfield. NASA's ER-2 arrives at 5 p.m. It will measure the distribution of raindrops, snowflakes, and ice particles vertically in the cloud, as well as how they move. “All this information is important and complementary,” said IMPACTS’ deputy principal investigator John Yorks of NASA Goddard.