Berkas:GOES-17 Imagery from all 16 of the Advanced Baseline Imager's Channels (43904871081).gif
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DeskripsiGOES-17 Imagery from all 16 of the Advanced Baseline Imager's Channels (43904871081).gif |
NOAA shares first infrared imagery from GOES-17 satellite While experts continue addressing an issue with the cooling system of GOES-17’s Advanced Baseline Imager (ABI), they have made progress in increasing the available observing time of the affected infrared channels. Due to adjustments in operating procedures, the ABI is demonstrating improved performance from initial observations. This new imagery shows data are currently available from all 16 ABI channels. Channel availability will fluctuate seasonally depending on the amount of solar radiation absorbed by the instrument. During the instrument’s “cool” seasons (near the summer and winter solstice), all channels are expected to be available 24 hours per day. During the instrument’s “warm” seasons (before and after the vernal and autumnal equinox), experts estimate 7 channels (bands 1-7) will be available 24 hours per day and the other 9 channels (bands 8-16) will have outages of 2-6 hours per night. These estimates are preliminary and are still being refined. The warmest part of the season is coming up in early September and performance estimates will need to be confirmed through observation during that time. This 16-panel image shows a snapshot of the continental U.S. and surrounding oceans from each of the Advanced Baseline Imager channels at 2:02 p.m. EDT on July 29, 2018. This includes, from top left to bottom right, two visible channels, four near-infrared channels, and ten infrared channels. Each channel has a specific purpose in discerning meteorological and environmental features. A number of features can be seen in this image, including clouds over the mid-Mississippi region and off both coasts, the warm land temperatures over the Western U.S., and atmospheric moisture. This imagery was captured between the instrument’s “cool” and “warm” season, when all 16 channels are available 24 hours per day. During the instrument’s “warm” seasons, varied data outages are expected for 9 of the channels during nighttime hours. Infrared imagery is used to monitor aerosols, clouds, thunderstorms, hurricanes, rainfall, moisture, atmospheric motion, and volcanic ash. Among the channels that are expected to be fully available is the band that is used for fog/cloud identification at night and for fire/hot spot detection, which will be critical for forecasters in the western U.S. NOAA plans to move GOES-17 into operational service in late 2018. The operational configuration will be determined in consultation with the NOAA Office of Satellite and Product Operations, the National Weather Service, and other stakeholders. GOES-17 is currently observing with more channels, at a higher resolution, and with more rapid refresh than what is available from the current GOES West satellite. While the GOES-17 imager will not produce the full set of planned data, it will provide more and better data than currently available. Experts are confident the GOES constellation will continue to meet the operational needs of the National Weather Service and forecasters across the nation. |
Tanggal | Diambil pada 29 Juli 2018, 18:02:39 |
Sumber | GOES-17 Imagery from all 16 of the Advanced Baseline Imager's Channels |
Pembuat | NOAA/NASA |
Lisensi
Public domainPublic domainfalsefalse |
This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.
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This image was originally posted to Flickr by NOAASatellites at https://flickr.com/photos/125201706@N06/43904871081 (archive). It was reviewed on 18 September 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
18 September 2018
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29 Juli 2018
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1.456.837 Bita
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1.926 piksel
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terkini | 17 September 2018 21.19 | 1.926 × 1.206 (1,39 MB) | MarginalCost | Transferred from Flickr via #flickr2commons |
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