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NASA atmospheric infrared sounder
(AIRS), onboard the Aqua satellite, captured images of tropical storm Barry at
the Gulf of Mexico around 2 pm local time on Friday afternoon. according to
the National Hurricane Center, Barry should land over the
Louisiana Coast Saturday, probably like a hurricane.
In the AIRS infrared image,
the large purple zone indicates very cold clouds that have been washed away high
in the atmosphere by deep thunderstorms. These clouds are associated with
heavy rainfall. Warmer areas with shallower rain clouds are indicated in blue and
green. And the orange and red areas are mostly cloudless air.
By the time the image was captured, Barry had
maximum sustained winds 65 mph (105 km / h). When the storm reaches its maximum
with a sustained wind speed of 119 km / h (74 mph), it will become hurricane.
The National Hurricane Center notes that the slow movement of the storm is going
long periods of heavy rain, a dangerous storm surge and floods in
parts of the central Gulf Coast in the lower Mississippi Valley.
AIRS, in conjunction with advanced microwave probing technology
AMSU, detects infrared and microwave radiation emitted from the Earth to
provide a three-dimensional look at the weather and climate of the Earth. Work in
tandem, both instruments make simultaneous observations until the
area. With more than 2,000 channels detecting different regions of the
the atmosphere, the system creates a three-dimensional global map of the atmosphere
temperature and humidity, height and height of clouds, greenhouse gas concentrations
and many other atmospheric phenomena. Launched into Earth orbit in 2002, the
AIRS and AMSU instruments fly aboard NASA's Aqua spacecraft and are managed by
NASA's Jet Propulsion Laboratory in Pasadena, California, under contract with
NASA. JPL is a division of Caltech.
More information about
AIRS can be found at:
https://airs.jpl.nasa.gov
Media contact
Smith's Spirit
Jet Propulsion Laboratory, Pasadena, California
818-354-4269
[email protected]
2019-142
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