Exercise

Exercise 1

Which of the following features are present in the numbered areas in Fig. 10? Match each number with only one feature.

1 2 3 4 5 6 7 8 9 10 11
Medium- or low-level cloud
Thick high-level cloud
Cirrus over lower level clouds
Cirrus over land
Snow
Sea
Ice on sea
Vegetation

When you have selected the answers, press done and take a look at the correct answers.

  1 2 3 4 5 6 7 8 9 10 11
Medium- or low-level cloud +
Thick high-level cloud +
Cirrus over lower level clouds + +
Cirrus over land + +
Snow + +
Sea +
Ice on sea +
Vegetation +

Figure 10: METOP-A AVHRR Natural Colour RGB images on 9 April 2016 at 08:37 UTC

Exercise 2

Which of the following features are present in the numbered areas in Fig. 11? Match each number with only one feature.

1 2 3 4 5 6 7 8 9 10 11 12
Thick high-level cloud
Medium- or low-level cloud
Cirrus
Snow with wave clouds
Sea
Vegetation

When you have selected the answers, press done and take a look at the correct answers.

  1 2 3 4 5 6 7 8 9 10 11 12
Thick high-level cloud + +
Medium- or low-level cloud + +
Cirrus + + +
Snow with wave clouds +
Sea + +
Vegetation + +

Figure 11: NOAA-19 AVHRR Cloud RGB image on 13 April 2016 at 13:01 UTC