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The GOES-10 Imager (located at approx. 60W) data are displayed each half-hour
for each of the spectral bands. For display, these images from GOES-10
have been re-mapped to a common projection (mercator) at an effective resolution
of 20 kmm. The color scheme, from warm reds to cool blues, is maintained
for each band, but the range enhanced does vary with band (to emphasize
gradients in each). Note the equivalent blackbody temperature scale at
the bottom of each image.
GOES Imager
The GOES-10 imager has a five band multispectral capability with 10 bit
precision and high spatial resolution:
- 0.52 - 0.72 um (visible) is useful
for cloud, pollution, and haze detection and severe storm identification;
- 3.78 - 4.03 um (shortwave infrared window) at
4 km, useful for identification of fog at night, discriminating between
water clouds and snow or ice clouds during the daytime, detecting fires
and volcanoes, and nighttime determination of sea surface temperature;
- 6.47 - 7.02 um (upper level water vapor) at "4" km,
useful for estimating regions of mid-level moisture content and advection,
and tracking mid-level atmospheric motions;
- 10.2 - 11.2 um (longwave infrared window) at
4 km, familiar to most users for cloud-drift winds, severe storm identification,
and location of heavy rainfall; and,
- 11.5 - 12.5 um (infrared window more
sensitive to water vapor) at 4 km, useful for identification of
low-level moisture, determination of sea surface temperature, and detection
of airborne dust and volcanic ash.
The imager spectral response functions GOES-10 are
shown along with theoretically calculated transmittances (from the FASCOD
model).