Indian Meteorological Department (IMD) has been issuing alerts with maps from various weather monitoring satellites.
Day and Night Microphysics RGB Imager |
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Solar reflectance is a ratio of the amount of solar energy reflected by a surface and the amount of solar energy incident on it.
Brightness temperature is the relationship between the temperature of an object and the corresponding brightness of its surface.
Solar Reflectance Recorded by INSAT 3D |
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Wavelength |
Colour beam |
Relates to |
0.5 µm (visible radiation) |
Red colour |
Cloud thickness and amount of cloud water and ice |
1.6 µm (shortwave IR radiation) |
Green colour |
Cloud particle size and phase |
10.8 µm (thermal IR radiation) |
Blue colour |
Temperature |
Colour band |
Determining factors |
Red |
Difference between 2 Thermal IR |
Green |
Difference between Thermal IR and a middle IR |
Blue |
Strength of 1 Thermal IR signal |
The Kalpana 1 and INSATs 3A, 3D, and 3DR satellites have bolstered India’s weather monitoring and warning services.
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In every Lecture. Director Sir will provide conceptual understanding with around 800 Mindmaps.
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