Radars used by India Meteorological Department(IMD)



  • India Meteorological Department adopted radar technology for meteorological applications in the early 50s.The first indigenously designed and manufactured x-band storm detection radar was installed in 1970 at New Delhi.
  • An integrated upper air sounding system comprising X - Band weather cum wind finding Multimet radar and radiosonde system (401 mhz ), designed and produced indigenously, was introduced in 1975 in IMD at Bangalore.
  • The first S-Band cyclone detection radar became operational at Visakhapatnam in 1970.The first indigenous S-Band cyclone detection radar was commissioned in Mumbai in 1980.



  • IMD now has a network of 10 S-Band cyclone detection radars covering the Indian Coast line. Six numbers in the East Coast and four numbers in West Coast.
  • IMD?s network of X - Band radars consists of 29 radars comprising of 12 Storm Detection Radars (SDRs) and 17 Dual Purpose (Weather cum wind finding) radar.
  • IMD plans to replace all the existing old generation radars with state-of-art S-Band DWRs in a phased manner.
  • IMD has already installed 4 nos. S-Band imported DWRs at Chennai(2002), Kolkata(2003), Machilipatnam (2004) & Visakhapatnam(2006) replacing the old generation S-Band cyclone detection radars at these places.
  • IMD has also installed one indigenous Doppler Weather Radar at Sriharikota (AP) in 2004, it was developed under MoU with ISRO Bangalore.
  • India Meteorological Department has a plan to install 2 more indigenous S-Band DWRs at Bhuj and Kochi to be developed by M/s BEL, Bangalore.
  • Under First Phase of modernisation, IMD also has a plan to replace old S?Band Cyclone detection Radar by S Band Doppler Weather Radar at 12 locations namely Mumbai, Paradip, Nagpur, Patna, Lucknow, Patiala, Karaikal, Bhopal, Agartala, Mohanbari, Delhi and Goa.

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