An analysis of the visible satellite image and the INSAT-3DR infrared image, captured recently, suggests that roughly 60 to 70 percent of India's landmass is under cloud cover.
About INSAT-3DR:
INSAT-3DR (Indian National Satellite-3DR) is an advanced meteorological satellite developed by ISRO.
Objectives: Improve weather forecasting, cyclone tracking, disaster warning, and environmental monitoring over India and the surrounding region.
It was launched aboard the GSLV-F05 launch vehicle.
It is configured with an Imaging System, and an Atmospheric Sounder.
Like its predecessor INSAT-3D, INSAT-3DR carries a Data Relay Transponder as well as a Search and Rescue Transponder.
Thus, INSAT-3DR will provide service continuity to earlier meteorological missions of ISRO and further augment the capability to provide various meteorological as well as search and rescue services.
It provides half-hourly multispectral images over the Indian region from a geostationary position.
The significant improvements incorporated in INSAT-3DR are:
Imaging in the middle infrared band to provide nighttime pictures of low clouds and fog.
Imaging in two thermal infrared bands for estimation of Sea Surface Temperature (SST) with better accuracy.
Higher spatial resolution in the Visible and Thermal Infrared bands.
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