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The S-Band DWR Mk II System has been developed by BEL based on the technology inputs from ISRO. This has been developed as a part of the national effort (involving IMD, ISRO, NAL & BEL) in positioning a network of Doppler Weather Radars across the entire country and thereby ensuring effective weather forecasts throughout the country.
This radar provides long range weather surveillance up to 500 kms. It operates in S-band and is capable of detecting and estimating the parameters of cyclone and other severe weather conditions. This Radar can forecast severe weather conditions so that necessary preventive steps could be taken to alleviate the impact of such natural disasters in terms of loss of life and property.
Dual Polarimetric capability has been incorporated for effective rainfall estimation.
This coherent radar estimates three weather base products like, reflectivity (Z), mean velocity (V) and spectral width (σ) in single polarization mode. In Dual Polarisation mode, the radar estimates additional base products like, Differential Reflectivity (Zdr), Differential Phase Shift (φdp) and Correlation Co-efficient (ρ). Various primary & secondary weather data products for meteorological & aviation applications are generated using these base products.
The C-band polarimetric Doppler Weather Radar is a state-of-the-art indigenous Radar. The Radar development is an initiative by ISRO as a national effort to design and develop indigenous Weather Radars to meet the country’s weather forecast requirements. The vision is to establish a network of Weather Radars to seamlessly cover the entire country and thereby ensure effective detection of severe weather conditions, cyclone warning and appropriate weather forecasts. Dual polarimetry is implemented for effective rain estimation and hydrometeor classification.