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From the statements below tick one or more which explains the discrepancy explained above:

1) The southern overshooting top appears colder in the MODIS image than in the MSG image because of calibration errors of the MODIS instrument.

2) The southern overshooting top appears colder in the MODIS image than in the MSG image because it is closer to the Equator, thus the tops can be higher here.

3) The southern overshooting top appears colder in the MODIS image than in the MSG image because it might have evolved (grown) between the MSG and MODIS scan times.

4) The southern overshooting top (B) appears colder in the MODIS image than in the MSG image because its brightness temperature minimum is horizontally smaller than that of the northern ones (A), thus its coldest top is averaged in the MSG image with warmer pixels surrounding it.

5)The southern overshooting top appears colder in the MODIS image than in the MSG image because of more tilted (slant) view by the MSG satellite, as compared to almost nadir view from MODIS.

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