 The Integrated Weather Effects Decision Aid (IWEDA) software, originally developed by the U.S. Army Research Laboratory (ARL) in 1992, has been fielded on IMETS since 1997 to provide tactical weather support to the U.S. Army.IMETS is a heavy Humvee mounted tactical system which provides automation and communications support to staff weather teams assigned to echelons from brigade through Echelons Above Corps (EAC).IMETS receives weather information from polar-orbiting civilian and defense meteorological satellites, Air Force Global Weather Center, artillery meteorological teams, remote sensors and civilian forecast centers.