Launceston Observations
- observations list type
- observations
- sky observations
| Time | Wind dir | Wind spd | Wind gust | Tmp | Dew pt | Feels like | rh | Fire | Rain | Rain 10' | Pres |
|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | km/h | °C | °C | °C | % | mm | mm | hPa | |||
| Wed 21:40 EDT |
NW | 15 | 19 | 19.3 | 14.9 | 18.0 | 75 | 3 | 1.4 | - | - |
| Wed 21:30 EDT |
NNW | 11 | 17 | 19.3 | 15.4 | 18.9 | 78 | 2 | 1.4 | 0.0 | - |
| Wed 21:20 EDT |
NNW | 11 | 13 | 19.6 | 14.8 | 19.0 | 74 | 2 | 1.4 | - | - |
| Wed 21:10 EDT |
NW | 13 | 17 | 19.9 | 14.9 | 19.0 | 73 | 3 | 1.4 | - | - |
| Wed 21:00 EDT |
NW | 17 | 28 | 19.9 | 14.9 | 18.2 | 73 | 3 | 1.0 | 0.0 | - |
| Wed 20:50 EDT |
NW | 11 | 13 | 19.9 | 14.7 | 19.2 | 72 | 3 | 1.0 | - | - |
| Wed 20:40 EDT |
WNW | 6 | 7 | 20.2 | 14.5 | 20.5 | 69 | 3 | 1.0 | - | - |
| Wed 20:30 EDT |
NW | 9 | 26 | 21.8 | 13.7 | 21.2 | 60 | 4 | 0.8 | 0.4 | - |
| Wed 20:20 EDT |
NW | 11 | 13 | 21.5 | 13.6 | 20.4 | 60 | 4 | 0.4 | - | - |
| Wed 20:10 EDT |
NW | 19 | 22 | 22.6 | 13.3 | 20.0 | 55 | 6 | 0.4 | - | - |
| Wed 20:00 EDT |
NW | 7 | 17 | 21.4 | 14.6 | 21.4 | 65 | 3 | 0.4 | 0.0 | - |
| Wed 19:50 EDT |
NW | 4 | 4 | 19.9 | 15.9 | 21.2 | 78 | 2 | 0.4 | - | - |
| Wed 19:40 EDT |
NNE | 2 | 2 | 20.1 | 15.7 | 21.6 | 76 | 2 | 0.4 | - | - |
| Wed 19:30 EDT |
WNW | 4 | 9 | 20.3 | 15.1 | 21.2 | 72 | 2 | 0.4 | 0.0 | - |
| Wed 19:20 EDT |
W | 7 | 7 | 19.9 | 15.1 | 20.1 | 74 | 2 | 0.4 | - | - |
| Wed 19:10 EDT |
NNW | 9 | 13 | 21.4 | 14.0 | 20.8 | 62 | 4 | 0.4 | - | - |
| Wed 19:00 EDT |
NE | 4 | 9 | 20.9 | 14.5 | 21.6 | 67 | 3 | 0.2 | 0.0 | - |
| Wed 18:50 EDT |
NNE | 7 | 9 | 20.8 | 14.6 | 20.8 | 67 | 3 | 0.2 | - | - |
| Wed 18:40 EDT |
N | 4 | 6 | 20.5 | 15.2 | 21.4 | 71 | 2 | 0.2 | - | - |
| Wed 18:30 EDT |
NNW | 9 | 17 | 20.4 | 15.2 | 20.3 | 72 | 3 | 0.2 | 0.2 | - |
| Wed 18:20 EDT |
N | 11 | 15 | 20.8 | 15.1 | 20.3 | 70 | 3 | 0.0 | - | - |
| Wed 18:10 EDT |
NNW | 9 | 11 | 21.1 | 14.9 | 20.8 | 67 | 3 | 0.0 | - | - |
| Wed 18:00 EDT |
NNW | 15 | 20 | 21.5 | 14.4 | 20.0 | 64 | 4 | 0.0 | 0.0 | - |
| Wed 17:50 EDT |
NNW | 19 | 24 | 22.9 | 13.1 | 20.3 | 54 | 6 | 0.0 | - | - |
| Wed 17:40 EDT |
N | 20 | 22 | 23.6 | 12.8 | 20.4 | 50 | 8 | 0.0 | - | - |
| Wed 17:30 EDT |
N | 26 | 39 | 23.8 | 12.1 | 19.4 | 48 | 10 | 0.0 | 0.0 | - |
| Wed 17:20 EDT |
N | 26 | 31 | 24.3 | 11.9 | 19.8 | 45 | 11 | 0.0 | - | - |
| Wed 17:10 EDT |
NNE | 28 | 37 | 24.8 | 11.7 | 19.9 | 44 | 12 | 0.0 | - | - |
| Wed 17:00 EDT |
N | 24 | 44 | 25.4 | 10.8 | 21.0 | 40 | 13 | 0.0 | 0.0 | - |
| Wed 16:50 EDT |
NNW | 28 | 43 | 25.4 | 10.8 | 20.3 | 40 | 14 | 0.0 | - | - |
| Wed 16:40 EDT |
NW | 24 | 30 | 25.8 | 11.5 | 21.5 | 40 | 13 | 0.0 | - | - |
| Wed 16:30 EDT |
NNW | 28 | 43 | 25.9 | 10.5 | 20.7 | 38 | 15 | 0.0 | 0.0 | - |
| Wed 16:20 EDT |
N | 26 | 33 | 26.0 | 9.7 | 20.8 | 35 | 16 | 0.0 | - | - |
| Wed 16:10 EDT |
NNE | 26 | 33 | 26.3 | 10.0 | 21.3 | 36 | 16 | 0.0 | - | - |
| Wed 16:00 EDT |
N | 28 | 43 | 26.5 | 9.4 | 21.0 | 34 | 18 | 0.0 | 0.0 | - |
| Wed 15:52 EDT |
N | 28 | 52 | 26.8 | 9.6 | 21.3 | 34 | 18 | 0.0 | 0.0 | - |
| Wed 15:50 EDT |
N | 30 | 37 | 26.9 | 9.7 | 21.1 | 34 | 19 | 0.0 | - | - |
| Wed 15:40 EDT |
NNE | 20 | 30 | 27.4 | 10.6 | 23.6 | 35 | 15 | 0.0 | - | - |
| Wed 15:30 EDT |
N | 26 | 41 | 27.1 | 10.3 | 22.2 | 35 | 17 | 0.0 | 0.0 | - |
| Wed 15:20 EDT |
N | 17 | 22 | 27.3 | 11.7 | 24.5 | 37 | 13 | 0.0 | - | - |
| Wed 15:10 EDT |
N | 28 | 31 | 27.8 | 11.3 | 22.7 | 35 | 18 | 0.0 | - | - |
| Wed 15:00 EDT |
NNE | 30 | 44 | 27.0 | 11.5 | 21.7 | 38 | 17 | 0.0 | 0.0 | - |
| Wed 14:50 EDT |
NNE | 28 | 35 | 27.3 | 12.5 | 22.7 | 40 | 15 | 0.0 | - | - |
| Wed 14:40 EDT |
NNE | 31 | 41 | 27.1 | 11.9 | 21.5 | 38 | 17 | 0.0 | - | - |
| Wed 14:34 EDT |
N | 28 | 46 | 27.3 | 12.9 | 22.8 | 41 | 15 | 0.0 | 0.0 | - |
| Wed 14:30 EDT |
N | 30 | 46 | 26.3 | 11.6 | 21.0 | 40 | 15 | 0.0 | 0.0 | - |
| Wed 14:20 EDT |
N | 26 | 41 | 26.6 | 11.9 | 22.1 | 40 | 14 | 0.0 | - | - |
| Wed 14:10 EDT |
N | 28 | 35 | 26.9 | 11.3 | 21.8 | 37 | 16 | 0.0 | - | - |
| Wed 14:00 EDT |
N | 26 | 43 | 26.9 | 12.2 | 22.5 | 40 | 14 | 0.0 | 0.0 | - |
| Wed 13:50 EDT |
N | 30 | 35 | 26.2 | 12.2 | 21.0 | 41 | 15 | 0.0 | - | - |
| Wed 13:40 EDT |
N | 24 | 31 | 26.3 | 12.7 | 22.5 | 43 | 12 | 0.0 | - | - |
| Wed 13:30 EDT |
N | 22 | 37 | 26.1 | 13.2 | 22.8 | 45 | 11 | 0.0 | 0.0 | - |
| Wed 13:20 EDT |
NNW | 19 | 24 | 25.5 | 13.6 | 22.9 | 47 | 9 | 0.0 | - | - |
| Wed 13:10 EDT |
N | 24 | 33 | 25.2 | 13.1 | 21.5 | 47 | 10 | 0.0 | - | - |
| Wed 13:00 EDT |
N | 24 | 37 | 24.7 | 13.6 | 21.1 | 50 | 9 | 0.0 | 0.0 | - |
| Wed 12:50 EDT |
NNW | 26 | 33 | 24.5 | 14.3 | 20.8 | 53 | 8 | 0.0 | - | - |
| Wed 12:40 EDT |
NNW | 17 | 19 | 24.6 | 14.6 | 22.8 | 53 | 7 | 0.0 | - | - |
| Wed 12:30 EDT |
NNW | 20 | 31 | 23.6 | 14.6 | 21.1 | 57 | 6 | 0.0 | 0.0 | - |
| Wed 12:20 EDT |
N | 22 | 26 | 22.6 | 14.4 | 19.7 | 60 | 6 | 0.0 | - | - |
| Wed 12:10 EDT |
NNW | 15 | 19 | 22.3 | 14.9 | 21.0 | 63 | 4 | 0.0 | - | - |
| Wed 12:00 EDT |
NNW | 19 | 28 | 21.5 | 14.4 | 19.3 | 64 | 4 | 0.0 | 0.0 | - |
| Wed 11:50 EDT |
NW | 17 | 20 | 20.9 | 14.0 | 18.9 | 64 | 4 | 0.0 | - | - |
| Wed 11:40 EDT |
NW | 19 | 22 | 20.3 | 13.9 | 17.9 | 66 | 4 | 0.0 | - | - |
| Wed 11:30 EDT |
NNW | 20 | 30 | 19.8 | 13.5 | 16.9 | 67 | 4 | 0.0 | 0.0 | - |
| Wed 11:20 EDT |
NNW | 19 | 26 | 20.1 | 13.7 | 17.6 | 66 | 4 | 0.0 | - | - |
| Wed 11:10 EDT |
NW | 22 | 28 | 20.1 | 13.5 | 16.9 | 66 | 4 | 0.0 | - | - |
| Wed 11:00 EDT |
NNW | 22 | 31 | 19.9 | 13.4 | 16.6 | 66 | 4 | 0.0 | 0.0 | - |
| Wed 10:50 EDT |
NNW | 20 | 24 | 19.8 | 13.0 | 16.8 | 65 | 4 | 0.0 | - | - |
| Wed 10:40 EDT |
NNW | 22 | 26 | 19.9 | 12.9 | 16.5 | 64 | 5 | 0.0 | - | - |
| Wed 10:30 EDT |
NNW | 20 | 30 | 20.6 | 14.0 | 17.9 | 66 | 4 | 0.0 | 0.0 | - |
| Wed 10:20 EDT |
NNW | 22 | 28 | 19.9 | 13.1 | 16.6 | 65 | 4 | 0.0 | - | - |
| Wed 10:10 EDT |
NW | 19 | 24 | 19.9 | 13.6 | 17.4 | 67 | 4 | 0.0 | - | - |
| Wed 10:00 EDT |
NW | 15 | 22 | 18.9 | 13.1 | 17.0 | 69 | 3 | 0.0 | 0.0 | - |
| Wed 09:50 EDT |
NNW | 13 | 17 | 19.4 | 13.3 | 17.9 | 68 | 3 | 0.0 | - | - |
| Wed 09:40 EDT |
WNW | 19 | 22 | 18.3 | 12.0 | 15.3 | 66 | 4 | 0.0 | - | - |
| Wed 09:30 EDT |
NW | 13 | 20 | 17.9 | 12.6 | 16.2 | 71 | 3 | 0.0 | 0.0 | - |
| Wed 09:20 EDT |
NW | 13 | 15 | 17.6 | 12.0 | 15.6 | 69 | 3 | 0.0 | - | - |
| Wed 09:10 EDT |
NW | 17 | 19 | 17.1 | 11.8 | 14.4 | 71 | 3 | 0.0 | - | - |
| Wed 09:00 EDT |
NW | 11 | 17 | 16.9 | 11.8 | 15.3 | 72 | 2 | 0.0 | 0.0 | - |
| Wed 08:50 EDT |
NW | 9 | 11 | 16.4 | 11.5 | 15.1 | 73 | 2 | 0.0 | - | - |
| Wed 08:40 EDT |
NW | 13 | 17 | 16.2 | 11.7 | 14.2 | 74 | 2 | 0.0 | - | - |
| Wed 08:30 EDT |
WNW | 7 | 13 | 15.4 | 11.4 | 14.4 | 77 | 2 | 0.0 | 0.0 | - |
| Wed 08:20 EDT |
WNW | 6 | 7 | 15.2 | 11.2 | 14.5 | 77 | 2 | 0.0 | - | - |
| Wed 08:10 EDT |
WNW | 6 | 7 | 15.2 | 11.5 | 14.6 | 78 | 2 | 0.0 | - | - |
| Wed 08:00 EDT |
NW | 7 | 13 | 14.9 | 11.7 | 14.0 | 81 | 2 | 0.0 | 0.0 | - |
| Wed 07:50 EDT |
NW | 11 | 13 | 14.6 | 11.3 | 12.8 | 80 | 2 | 0.0 | - | - |
| Wed 07:40 EDT |
NW | 7 | 9 | 14.5 | 11.2 | 13.4 | 80 | 2 | 0.0 | - | - |
| Wed 07:30 EDT |
NW | 9 | 13 | 14.3 | 11.3 | 12.9 | 82 | 2 | 0.0 | 0.0 | - |
| Wed 07:20 EDT |
NW | 9 | 11 | 14.1 | 11.2 | 12.7 | 83 | 1 | 0.0 | - | - |
| Wed 07:10 EDT |
NW | 9 | 11 | 14.0 | 11.1 | 12.6 | 83 | 1 | 0.0 | - | - |
| Wed 07:00 EDT |
NW | 7 | 13 | 13.9 | 11.1 | 12.8 | 83 | 1 | 0.0 | 0.0 | - |
| Wed 06:50 EDT |
NW | 7 | 9 | 13.8 | 11.1 | 12.7 | 84 | 1 | 0.0 | - | - |
| Wed 06:40 EDT |
NW | 7 | 9 | 13.7 | 11.0 | 12.6 | 84 | 1 | 0.0 | - | - |
| Wed 06:30 EDT |
NW | 6 | 9 | 13.5 | 11.0 | 12.8 | 85 | 1 | 0.0 | 0.0 | - |
| Wed 06:20 EDT |
NW | 9 | 11 | 13.6 | 11.1 | 12.2 | 85 | 1 | 0.0 | - | - |
| Wed 06:10 EDT |
NW | 9 | 13 | 13.5 | 11.2 | 12.1 | 86 | 1 | 0.0 | - | - |
| Wed 06:00 EDT |
NW | 13 | 19 | 13.5 | 11.2 | 11.4 | 86 | 1 | 0.0 | 0.0 | - |
| Wed 05:50 EDT |
NNW | 11 | 15 | 13.5 | 11.3 | 11.7 | 86 | 1 | 0.0 | - | - |
| Wed 05:40 EDT |
NNW | 13 | 17 | 13.7 | 11.5 | 11.6 | 86 | 1 | 0.0 | - | - |
| Wed 05:30 EDT |
NNW | 13 | 19 | 13.7 | 11.6 | 11.7 | 87 | 1 | 0.0 | 0.0 | - |
| Wed 05:20 EDT |
NW | 15 | 19 | 14.0 | 11.5 | 11.6 | 85 | 2 | 0.0 | - | - |
| Wed 05:10 EDT |
NW | 15 | 19 | 14.1 | 11.6 | 11.7 | 85 | 2 | 0.0 | - | - |
| Wed 05:00 EDT |
NW | 15 | 24 | 14.0 | 11.5 | 11.6 | 85 | 2 | 0.0 | 0.0 | - |
| Wed 04:50 EDT |
NW | 17 | 20 | 14.0 | 11.5 | 11.2 | 85 | 2 | 0.0 | - | - |
| Wed 04:40 EDT |
NW | 15 | 17 | 14.0 | 11.7 | 11.6 | 86 | 1 | 0.0 | - | - |
| Wed 04:30 EDT |
NW | 13 | 19 | 13.9 | 11.9 | 12.0 | 88 | 1 | 0.0 | 0.0 | - |
| Wed 04:20 EDT |
NW | 11 | 13 | 13.8 | 11.8 | 12.2 | 88 | 1 | 0.0 | - | - |
| Wed 04:10 EDT |
NW | 13 | 15 | 13.9 | 11.7 | 11.9 | 86 | 1 | 0.0 | - | - |
| Wed 04:00 EDT |
NW | 13 | 22 | 14.1 | 11.8 | 12.1 | 86 | 1 | 0.0 | 0.0 | - |
| Wed 03:50 EDT |
NW | 13 | 17 | 14.1 | 11.8 | 12.1 | 86 | 1 | 0.0 | - | - |
| Wed 03:40 EDT |
NW | 11 | 15 | 14.0 | 11.8 | 12.4 | 86 | 1 | 0.0 | - | - |
| Wed 03:30 EDT |
NW | 7 | 11 | 14.1 | 12.0 | 13.3 | 87 | 1 | 0.0 | 0.0 | - |
| Wed 03:20 EDT |
NNW | 7 | 7 | 14.2 | 11.9 | 13.4 | 86 | 1 | 0.0 | - | - |
| Wed 03:10 EDT |
NW | 15 | 17 | 14.5 | 12.1 | 12.2 | 85 | 2 | 0.0 | - | - |
| Wed 03:00 EDT |
NW | 13 | 19 | 14.4 | 12.3 | 12.6 | 87 | 1 | 0.0 | 0.0 | - |
| Wed 02:50 EDT |
NW | 13 | 15 | 14.4 | 12.2 | 12.6 | 87 | 1 | 0.0 | - | - |
| Wed 02:40 EDT |
NW | 11 | 11 | 14.4 | 12.2 | 12.9 | 87 | 1 | 0.0 | - | - |
| Wed 02:30 EDT |
NW | 11 | 17 | 14.6 | 12.3 | 13.2 | 86 | 1 | 0.0 | 0.0 | - |
| Wed 02:20 EDT |
NW | 11 | 13 | 14.7 | 12.3 | 13.2 | 85 | 1 | 0.0 | - | - |
| Wed 02:10 EDT |
NW | 11 | 13 | 14.7 | 12.3 | 13.2 | 85 | 1 | 0.0 | - | - |
| Wed 02:00 EDT |
NW | 9 | 13 | 14.7 | 12.4 | 13.6 | 86 | 1 | 0.0 | 0.0 | - |
| Wed 01:50 EDT |
NW | 11 | 15 | 14.8 | 12.4 | 13.4 | 85 | 1 | 0.0 | - | - |
| Wed 01:40 EDT |
NW | 7 | 9 | 14.9 | 12.5 | 14.2 | 85 | 1 | 0.0 | - | - |
| Wed 01:30 EDT |
NNW | 11 | 17 | 15.1 | 12.6 | 13.7 | 85 | 1 | 0.0 | 0.0 | - |
| Wed 01:20 EDT |
NNW | 9 | 11 | 15.2 | 12.7 | 14.2 | 85 | 1 | 0.0 | - | - |
| Wed 01:10 EDT |
NW | 13 | 15 | 15.5 | 13.0 | 13.9 | 85 | 2 | 0.0 | - | - |
| Wed 01:00 EDT |
NNW | 13 | 19 | 15.6 | 12.9 | 14.0 | 84 | 2 | 0.0 | 0.0 | - |
| Wed 00:50 EDT |
NNW | 15 | 19 | 15.8 | 12.9 | 13.8 | 83 | 2 | 0.0 | - | - |
| Wed 00:40 EDT |
NW | 11 | 15 | 15.8 | 12.7 | 14.5 | 82 | 2 | 0.0 | - | - |
| Wed 00:30 EDT |
NW | 13 | 20 | 16.1 | 12.8 | 14.5 | 81 | 2 | 0.0 | 0.0 | - |
| Wed 00:20 EDT |
NW | 13 | 19 | 16.3 | 12.8 | 14.7 | 80 | 2 | 0.0 | - | - |
| Wed 00:10 EDT |
NNW | 9 | 11 | 16.4 | 12.7 | 15.4 | 79 | 2 | 0.0 | - | - |
| Wed 00:00 EDT |
NW | 13 | 19 | 16.5 | 12.8 | 14.9 | 79 | 2 | 0.0 | 0.0 | - |
| Tue 23:50 EDT |
NW | 11 | 15 | 16.6 | 12.7 | 15.3 | 78 | 2 | 0.0 | - | - |
| Tue 23:40 EDT |
NW | 9 | 11 | 16.6 | 12.9 | 15.7 | 79 | 2 | 0.0 | - | - |
| Tue 23:30 EDT |
NW | 11 | 15 | 16.7 | 13.0 | 15.5 | 79 | 2 | 0.0 | 0.0 | - |
| Tue 23:20 EDT |
NW | 11 | 13 | 16.7 | 13.0 | 15.5 | 79 | 2 | 0.0 | - | - |
| Tue 23:10 EDT |
NW | 11 | 13 | 16.7 | 13.0 | 15.5 | 79 | 2 | 0.0 | - | - |
| Tue 23:00 EDT |
NNW | 11 | 17 | 16.7 | 13.0 | 15.5 | 79 | 2 | 0.0 | 0.0 | - |
| Tue 22:50 EDT |
NW | 11 | 15 | 16.9 | 13.0 | 15.7 | 78 | 2 | 0.0 | - | - |
| Tue 22:40 EDT |
NW | 9 | 13 | 17.1 | 13.2 | 16.3 | 78 | 2 | 0.0 | - | - |
| Tue 22:30 EDT |
NNW | 11 | 17 | 17.2 | 13.1 | 16.0 | 77 | 2 | 0.0 | 0.0 | - |
| Tue 22:20 EDT |
NNW | 11 | 15 | 17.3 | 13.2 | 16.2 | 77 | 2 | 0.0 | - | - |
| Tue 22:10 EDT |
NW | 11 | 15 | 17.3 | 13.2 | 16.2 | 77 | 2 | 0.0 | - | - |
| Tue 22:00 EDT |
NW | 9 | 15 | 17.2 | 13.3 | 16.4 | 78 | 2 | 0.0 | 0.0 | - |
| Tue 21:50 EDT |
NW | 9 | 11 | 17.0 | 13.3 | 16.2 | 79 | 2 | 0.0 | - | - |
| Tue 21:40 EDT |
WNW | 7 | 7 | 16.9 | 13.0 | 16.4 | 78 | 2 | 0.0 | - | - |
| Tue 21:30 EDT |
N | 9 | 15 | 17.5 | 13.4 | 16.8 | 77 | 2 | 0.0 | 0.0 | - |
| Tue 21:20 EDT |
NNE | 11 | 15 | 17.7 | 13.4 | 16.6 | 76 | 2 | 0.0 | - | - |
| Tue 21:10 EDT |
NNE | 13 | 17 | 17.7 | 13.4 | 16.2 | 76 | 2 | 0.0 | - | - |
| Tue 21:00 EDT |
N | 13 | 20 | 17.8 | 13.7 | 16.4 | 77 | 2 | 0.0 | 0.0 | - |
Station Details
LAUNCESTON (TI TREE BEND)
Central North, Tasmania
Central North, Tasmania
41.4194°S 147.1219°E
5m AMSL
Commenced 1980
Commenced 1980
Display Your Local Weather
-
Display your Local Weather here
automatically each time you visit us:
Rotates through Temperature,
Wind, Humidity and RainUse the Search Bar above
to find your Local, and go to the Local page
Click "Set My Local"
button next to the location name
Weather News
Dust storm engulfs parts of SA, Victoria and NSW as weather bureau warns of damaging winds
20:05 EDT
An intense dust storm is sweeping through a huge area of South Australia, New South Wales and Victoria, reducing visibility and prompting a warning to drivers on outback roads.
Dust storm sweeping over SA, NSW and VIC
15:08 EDT
A large dust storm is sweeping over parts of South Australia, Victoria and NSW this afternoon.
Dubbo fish kill won't be the last as drought, fire raise extinction risk, ecologists warn
15:05 EDT
A renowned angler says a mass fish kill in the parched Macquarie River in New South Wales this week left the waterway looking like "tomato soup." Tens of thousands of fish of all sizes and species are estimated to have perished near Dubbo, in the state's west, after much-needed rain washed sediment into the river, causing dissolved oxygen levels to drop rapidly.
