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Note the obvious
differences between this false color (blue-tinted) visible and a thermal
infrared image, taken from the GMS-5 geostationary satellite at the same time
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The visible image has a “terminator” or
shadow line at the top left of the image.
This is created because the angle of the sun does not fully illuminate
the entire globe from the GMS-5 satellite’s perspective at this time of day
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Australia is easily seen in the visible
image, but invisible in the IR. This
is because at this time of year and this time of day (late morning) there is
not a large difference in the temperature of the land mass compared with the
ocean
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The visible image shows more stratus
and stratocumulus clouds while the infrared shows more (and denser) cirrus
clouds. This is typical and will be
discussed in future training
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