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39 temperatures are very low and the polar vortex remains stable. End of February |
39 temperatures are very low and the polar vortex remains stable. End of February |
40 the average column ozone loss reached about 70 DU, the second highest value |
40 the average column ozone loss reached about 70 DU, the second highest value |
41 in the last decade after 2016. |
41 in the last decade after 2016. |
42 On 10 March the calculated average ozone loss was 95 DU, which |
42 On 10 March the calculated average ozone loss was 95 DU, which |
43 corresponds to the maximum value for 2011, that was however only |
43 corresponds to the maximum value for 2011, that was however only |
44 reached in late March. |
44 reached in late March. On 14 March, the value of 110 DU was exceeded |
|
45 thus the ozone loss this year is the highest of the years considered here. |
45 |
46 |
46 Previous years |
47 Previous years |
47 -------------- |
48 -------------- |
48 |
49 |
49 Last winter 2018/2019 the stratospheric temperatures were too high for |
50 Last winter 2018/2019 the stratospheric temperatures were too high for |