South East Valleys
This Management Catchment is part of the Severn river basin and is managed by Natural Resources Wales
Management Catchment Data
Catchment Rainfall Summary
Carno Reservoir Raingauge
3h Total
0.40 mm
16:00-19:00
6h Total
0.80 mm
13:00-19:00
12h Total
1.40 mm
07:00-19:00
24h Total
14.80 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 01:00 (Oct 27) 1.80 mm
Cwmtillery Raingauge
3h Total
0.00 mm
16:00-19:00
6h Total
0.20 mm
13:00-19:00
12h Total
1.00 mm
07:00-19:00
24h Total
13.60 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 02:45 (Oct 27) 3.00 mm
Dyffryn Isaf Llantrisant Raingauge
3h Total
0.40 mm
15:45-18:45
6h Total
0.80 mm
12:45-18:45
12h Total
3.80 mm
06:45-18:45
24h Total
6.20 mm
18:45 (Oct 26)-18:45
Last 24h: Max 15m intensity at 11:15 (Oct 27) 1.00 mm
Llwynon Reservoir River Station
3h Total
0.40 mm
16:00-19:00
6h Total
2.60 mm
13:00-19:00
12h Total
5.00 mm
07:00-19:00
24h Total
20.60 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 01:15 (Oct 27) 1.80 mm
Machen Waterloo Raingauge
3h Total
0.60 mm
16:00-19:00
6h Total
1.60 mm
13:00-19:00
12h Total
2.60 mm
07:00-19:00
24h Total
6.40 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 02:45 (Oct 27) 0.80 mm
Maerdy WTW Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
5.00 mm
13:00-19:00
12h Total
8.00 mm
07:00-19:00
24h Total
20.60 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 24:00 (Oct 27) 1.80 mm
Nant Yr Ysfa Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
0.80 mm
13:00-19:00
12h Total
2.00 mm
07:00-19:00
24h Total
14.00 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 24:00 (Oct 27) 1.60 mm
Nelson Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
0.80 mm
13:00-19:00
12h Total
2.60 mm
07:00-19:00
24h Total
9.00 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 03:15 (Oct 27) 0.80 mm
Pontsticill Upper Raingauge
3h Total
0.00 mm
16:00-19:00
6h Total
0.80 mm
13:00-19:00
12h Total
2.80 mm
07:00-19:00
24h Total
14.00 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 01:15 (Oct 27) 1.60 mm
Rhiwbina Reservoir Raingauge
3h Total
1.60 mm
16:00-19:00
6h Total
2.00 mm
13:00-19:00
12h Total
4.60 mm
07:00-19:00
24h Total
6.20 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 11:30 (Oct 27) 0.80 mm
Rhiwsaeson STW Raingauge
3h Total
1.80 mm
16:00-19:00
6h Total
3.20 mm
13:00-19:00
12h Total
4.00 mm
07:00-19:00
24h Total
6.20 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 15:00 (Oct 27) 1.20 mm
Rhymney Reservoir Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
0.80 mm
13:00-19:00
12h Total
2.00 mm
07:00-19:00
24h Total
15.40 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 01:00 (Oct 27) 1.60 mm
St Fagans Raingauge
3h Total
0.00 mm
02:00 (Oct 25)-05:00 (Oct 25)
6h Total
0.00 mm
23:00 (Oct 24)-05:00 (Oct 25)
12h Total
7.20 mm
17:00 (Oct 24)-05:00 (Oct 25)
24h Total
40.40 mm
05:00 (Oct 24)-05:00 (Oct 25)
Last 24h: Max 15m intensity at 13:15 (Oct 24) 2.80 mm
Storey Arms Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
0.60 mm
13:00-19:00
12h Total
0.80 mm
07:00-19:00
24h Total
17.00 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 01:15 (Oct 27) 1.80 mm
Trelewis Raingauge
3h Total
0.00 mm
15:45-18:45
6h Total
1.60 mm
12:45-18:45
12h Total
2.00 mm
06:45-18:45
24h Total
15.60 mm
18:45 (Oct 26)-18:45
Last 24h: Max 15m intensity at 02:30 (Oct 27) 3.40 mm
Ty Fry Raingauge
3h Total
0.20 mm
16:00-19:00
6h Total
2.00 mm
13:00-19:00
12h Total
3.20 mm
07:00-19:00
24h Total
12.80 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 24:00 (Oct 27) 1.40 mm
Tyn Y Waun Treherbert Raingauge
3h Total
0.40 mm
16:00-19:00
6h Total
7.20 mm
13:00-19:00
12h Total
10.20 mm
07:00-19:00
24h Total
24.40 mm
19:00 (Oct 26)-19:00
Last 24h: Max 15m intensity at 13:15 (Oct 27) 3.40 mm
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