]> 2012-02-11T04:09:57-05:00 Progress in the Development of Practical Remote Detection of Icing Conditions The NASA Icing Remote Sensing System (NIRSS) has been under definition and development at NASA Glenn Research Center since 1997. The goal of this development activity is to produce and demonstrate the required sensing and data processing technologies required to accurately remotely detect and measure icing conditions aloft. As part of that effort NASA has teamed with NCAR to develop software to fuse data from multiple instruments into a single detected icing condition product. The multiple instrument approach utilizes a X-band vertical staring radar, a multifrequency micro-wave, and a lidar ceilometer. The radar data determine cloud boundaries, the radiometer determines the sub-freezing temperature heights and total liquid water content, and the ceilometer refines the lower cloud boundary. Data is post-processed with a LabVIEW program with a resultant supercooled liquid water profile and aircraft hazard depiction. Ground-based, remotely-sensed measurements and in-situ measurements from research aircraft were gathered during the international 2003–2004 Alliance Icing Research Study (AIRS II). Comparisons between the remote sensing system’s fused icing product and the aircraft measurements are reviewed here. While there are areas where improvement can be made, the cases examined suggest that the fused sensor remote sensing technique appears to be a valid approach. techreport April,2006 Progress in the Development of Practical Remote Detection of Icing Conditions {{{number}}} 2006 Progress in the Development of Practical Remote Detection of Icing Conditions 2006 Year Title Icing (aircraft), Aircraft safety, Remote sensors, Aircraft flight tests, Statistics Tag Media:TM-2006-214242.pdf Pdf April Month National Aeronautics and Space Administration Institution Has year Has where published Has title Has publishing details Has author Bibtype Stewart Cober George A. Issac Stephan Zednik Marcia K Politovich Andrew Reehorst Author Abstract Publication Technical Memorandum