The Hurricane Imaging Radiometer (HIRAD) is an airborne imaging, single-pol passive C-band radiometer. It measures brightness temperature, which is used to determine rain rate and wind speed. HIRAD operates at four frequencies (4, 5, 6, and 6.6 GHz) and has a typical spatial resolution of 1-3 km. HIRAD’s design is built upon the Stepped Frequency Microwave Radiometer (SFMR), with the addition of wide-swath measurement capabilities.
Instrument Details
- Spectrometer/Radiometer
- Earth Science > Atmosphere > Precipitation > Precipitation RateEarth Science > Atmosphere > PrecipitationEarth Science > Oceans > Ocean Winds > Surface WindsEarth Science > Spectral/engineering > Microwave > Brightness TemperatureEarth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind DirectionEarth Science > Atmosphere > Atmospheric Winds > Surface Winds > Wind SpeedEarth Science > Atmosphere > Atmospheric WindsEarth Science > Oceans > Ocean Winds
- Column Integrated
- N/A
- 1-3 km
- 4, 5, 6, 6.6 GHz
- https://doi.org/10.1175/JTECH-D-17-0031.1
Dan Cecil
Dan Cecil
NASA MSFC
NASA
Currently unavailable
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