Table 2-3.—TESS (3) Environmental Programs—Continued PROGRAM Sound Focus (SOCUS) Ballistic Winds and Densities Corrections  (BALWIN) APPLICATION CONSIDERATIONS Computes the focusing of Computing sound focusing requires atmospheric sound waves caused highly accurate environmental data. by an explosive blast. Normally Prediction model was based on used to determine liability for data collected from over-water and complaints or unintentional over-flatland explosions. May not damage. be accurate for mountain terrains. Computes ballistic wind and Radiosonde data for the selected density correction factors for naval gunfire area must be used. gunfire support. Radiological  Fallout  (RADFO) Forecasts the pattern of Assumes meteorological conditions accumulated radiation dose from a are constant throughout the fallout. nuclear fallout. Used to determine Requires an accurate estimate of ship and unit maneuvering to avoid either the nuclear weapon yield or potential nuclear radiation hazards. the height of the nuclear cloud. Does not assess thermal radiation, electromagnetic effects, or initial nuclear radiation. Used for only near-surface blasts. Aircraft Icing Analyses (AIRICE) Analyzes radiosonde data to Computes the probability and the determine the potential for ice type of ice that may form. Icing accumulation on aircraft. may occur in between different radiosonde levels. Ship Ice Accretion (SHIP ICE) Tomahawk  Environmental Calculation Aid (TECA) Estimates ship ice accretion based More applicable for smaller ships. on time, wind speed, and air/sea Does not consider the physical temperatures. structure of the ship. Calculates weighted mean averages    Data is averaged for 1° square of wind speed, wind direction, and areas. temperature for the overland flightpaths of Tomahawk strike missions. Atmospheric Refractivity Profile Generator  (ARPGEN) Creates or retrieves refractivity data sets for use by the various other EM programs. Limited to 30 M-unit entries below 10 km in altitude. Refractivity data may be several hours old. Historical refractive data sets are retrieved for closest radiosonde station. Electromagnetic (EM) Device Editor (EMDED) Produces, edits, and maintains EM The platform file can contain a files (platforms, jammers, and maximum of 30 platforms of 15 ESM receivers) used in different EM systems each. Generic emitter EM programs. files may be created. Provides maximum detection range for radars assuming the radar is operating. 2-7