19 Apr 2024 - 07:32 EDT
19 Apr 2024 - 11:32 UTC
19 Apr 2024 - 11:32 UTC
GOES-East Mesoscale view - Band 4 at 30°N - 71°W - North Atlantic Ocean
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Band 4 - 1.37 µm - Cirrus - Near IR - 22 Aug 2023 - 2144 UTC
Band 4 - 1.37 µm - Cirrus - Near IR - 22 Aug 2023 - 2145 UTC
1.37 µm - Cirrus Band - 2 km resolution - Band 4 will detect very thin cirrus clouds during the day. This band is centered in a strong water vapor absorption spectral region. It does not routinely sense the lower troposphere, where there is substantial water vapor, and thus provides excellent daytime sensitivity to high, very thin cirrus under most circumstances.
Band 4 is a visible channel and is therefore black during nighttime hours.
• For more details, see the Band 4 - ABI Quick Information Guide, (PDF, 532 KB)