A Comparison of Aircraft Icing Forecast Models.

This report documents the results of a study comparing forecasted aircraft icing conditions to pilot reports (PIREPs) of aircraft icing. Of the three operational forecast algorithms validated (AF Global Weather Central's RAOB routine, icing routines in the Navy's NODDS, and TESS software),...

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Bibliographic Details
Main Authors: Cornell, Daniel, Donahue, Christopher A., Keith, Chan
Other Authors: AIR FORCE COMBAT CLIMATOLOGY CENTER SCOTT AFB IL
Format: Text
Language:English
Published: 1995
Subjects:
Attack and Fighter Aircraft
Snow
Ice and Permafrost
*JET AIRCRAFT
*ICE FORECASTING
COMPUTER PROGRAMS
ALGORITHMS
GLOBAL
PILOTS
INTENSITY
ICE FORMATION
WEATHER FORECASTING
ERRORS
AIRCRAFT MODELS
PIREP(PILOT REPORTS)
NODDS(NAVAL OCEANOGRAPHIC DATA DISTRIBUTION SYSTEM)
TESS(TACTICAL ENVIRONMENTAL SUPPORT SYSTEM)
Ice
permafrost
Online Access:http://www.dtic.mil/docs/citations/ADA305466
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA305466
Description
Summary:This report documents the results of a study comparing forecasted aircraft icing conditions to pilot reports (PIREPs) of aircraft icing. Of the three operational forecast algorithms validated (AF Global Weather Central's RAOB routine, icing routines in the Navy's NODDS, and TESS software), RAOB had the overall best comparison to the PIREPs and 67 percent of the type forecasts and 42 percent of the intensity forecasts agreeing with the reported icing. These percentages increase to 73 percent (type) and 53 (intensity) when considering only PIREPs from jet aircraft. The greatest degree of error was associated with forecasts of clear and mixed icing and icing of moderate intensity.

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