NOAA GOES Image Viewer website
19 Oct 2019 - 07:53 EDT
19 Oct 2019 - 11:53 UTC

GOES-West Mesoscale view - Band 9 at 55°N - 149°W - North Pacific Ocean*

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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0531 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0531 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0531 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0531 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0532 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0533 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0533 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0534 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0534 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0535 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0535 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0536 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0536 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0537 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0538 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0541 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0542 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0543 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0543 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0546 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0547 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0547 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0548 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0548 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0549 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0551 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0551 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0551 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0551 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0552 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0552 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0553 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0554 UTC
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Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0556 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0557 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0557 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0558 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0558 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR - 19 Oct 2019 - 0559 UTC
Band 9 - 6.9 µm - Mid-Level Water Vapor - IR  - 19 Oct 2019 - 0559 UTC
legend for GOES-West color-enhanced channels 8-10
 

About Band 9

6.9 µm - "Mid-level Water Vapor" Band - 2 km resolution - Band 9 is the mid-level water vapor band. It is used for tracking middle-tropospheric winds, identifying jet streams, forecasting hurricane track and mid-latitude storm motion, monitoring severe weather potential, estimating mid-level moisture (for legacy vertical moisture profiles)and identifying regions where turbulence might exist. Surface features are usually not apparent in this band. Brightness Temperatures show cooling because of absorption of energy at 6.9 µm by water vapor.

The imager on GOES-16 features three mid-level water vapor bands instead of the single water vapor band on the GOES-13 Imager. The single water vapor band on GOES-13 contained a mixture of water vapor features over many levels of the troposphere, but GOES-16 enables us to focus on water vapor in the upper troposphere (band 8), the middle troposphere (band 9), or the lower troposphere (band 10). The GOES-13 Imager water vapor channel falls between ABI bands 8 and 9.

• For more details, see the Band 9 - ABI Quick Information Guide, (PDF, 550 KB)

*GOES-17 Infrared Image Quality

During post-launch testing of the GOES-17 ABI instrument, an issue with the instrument's cooling system was discovered. The loop heat pipe (LHP) subsystem, which transfers heat from the ABI electronics to the radiator, is not operating at its designed capacity. The consequence of this is that the ABI detectors cannot be maintained at their intended temperatures under certain orbital conditions. This is preventing adequate cooling for some of the infrared (IR) channels on the instrument during parts of the night, leading to partial loss of ABI imagery. Learn more.

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