McIDAS User's Guide
Version 2018.2
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|
Satellites |
Metop-A and Metop-B (see http://www.eumetsat.int/ for current status) |
|
Orbit Type |
Polar |
|
Instrument |
AVHRR/3 |
|
Resolution |
1 km (VIS and IR) |
|
Band |
Central
Wavelength (µm) |
Primary Uses |
| 1 | 0.63 | Visible cloud and surface features |
| 2 | 0.86 | Visible aerosols over water, vegetation |
| 3 | 3.74 | Infrared low-level cloud/fog, fire detection |
| 4 | 10.8 | Infrared surface/cloud-top temperature |
| 5 | 12.0 | Infrared surface/cloud temperature, low-level water vapor |
| 6 | 1.61 | Near-infrared surface, cloud phase |
|
Satellites |
Metop-A and Metop-B (see http://www.eumetsat.int/ for current status) |
|
Orbit Type |
Polar |
|
Instrument |
HIRS/4 |
|
Resolution |
20 km |
|
Band |
Central
Wavelength (µm) |
Major
Absorbing Gases |
Sounding Level (mb) |
Primary Uses |
| 1 | 15.0 (IR) | CO2 | 30 | Temperature sounding |
| 2 | 14.7 (IR) | CO2 | 60 | Temperature sounding |
| 3 | 14.5 (IR) | CO2 | 100 | Temperature sounding |
| 4 | 14.2 (IR) | CO2 | 400 | Temperature sounding |
| 5 | 14.0 (IR) | CO2 | 600 | Temperature sounding |
| 6 | 13.6 (IR) | CO2, H2O | 800 | Temperature sounding |
| 7 | 13.4 (IR) | CO2, H2O | 900 | Temperature sounding |
| 8 | 11.1 (IR) | Window | Surface | Surface temperature |
| 9 | 9.71 (IR) | O3 | 25 | Ozone measurement |
| 10 | 12.5 (IR) | H2O | Surface | Water vapor detection |
| 11 | 7.33 (IR) | H2O | 700 | Water vapor detection |
| 12 | 6.52 (IR) | H2O | 500 | Water vapor detection |
| 13 | 4.57 (IR) | N2O | 1000 | Temperature sounding |
| 14 | 4.52 (IR) | N2O | 950 | Temperature sounding |
| 15 | 4.47 (IR) | CO2, N2O | 700 | Temperature sounding |
| 16 | 4.45 (IR) | CO2, N2O | 400 | Temperature sounding |
| 17 | 4.13 (IR) | CO2 | Surface | Temperature sounding |
| 18 | 4.00 (IR) | Window | Surface | Surface temperature |
| 19 | 3.76 (IR) | Window | Surface | Surface temperature |
| 20 | 0.69 (VIS) | Window | Cloud | Daytime cloud detection |
|
Satellites |
Metop-A and Metop-B (see http://www.eumetsat.int/ for current status) |
|
Orbit Type |
Polar |
|
Instrument |
AMSU |
|
Resolution |
50 km |
|
Band |
Frequency
(GHz) |
Primary Uses |
|---|---|---|
| 1 | 23.8 | Surface temperature |
| 2 | 31.4 | Surface temperature |
| 3 | 50.3 | Surface temperature |
| 4 | 52.8 | Troposphere temperature |
| 5 | 53.6 | Troposphere temperature |
| 6 | 54.4 | Troposphere temperature |
| 7 | 54.9 | Troposphere temperature |
| 8 | 55.5 | Tropopause temperature |
| 9 | 57.3 | Tropopause temperature |
| 10 | 57.3 | Temperature sounding: 2-band combo 57.3 +/- .2 |
| 11 | 57.3 | Temperature sounding: 4 bands (57.3 +/- .3) +/- .048 |
| 12 | 57.3 | Temperature sounding: 4 bands (57.3 +/- .3) +/- .022 |
| 13 | 57.3 | Temperature sounding: 4 bands (57.3 +/- .3) +/- .010 |
| 14 | 57.3 | Temperature sounding: 4 bands (57.3 +/- .3) +/- .004 |
| 15 | 89.0 | Surface characteristics |
|
Satellites |
Metop-A and Metop-B (see http://www.eumetsat.int/ for current status) |
|
Orbit Type |
Polar |
|
Instrument |
MHS |
|
Resolution |
16 km |
|
Band |
Frequency
(GHz) |
Primary Uses |
|---|---|---|
| 1 | 89.0 | Temperature sounding: 2 band combo 89.0 +/- .9 |
| 2 | 157.0 | Temperature sounding: 2 band combo 157.0 +/- .9 |
| 3 | 183.3 | Temperature sounding: 2 band combo 183.3 +/- 1.0 |
| 4 | 183.3 | Temperature sounding: 2 band combo 183.3 +/- 3.0 |
| 5 | 190.3 | Temperature sounding: 2 band combo 190.3 +/- 7.0 |
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