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
2.00 mm
05:00-08:00
6h Total
2.60 mm
02:00-08:00
12h Total
12.00 mm
20:00 (Oct 28)-08:00
24h Total
12.00 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:45 (Oct 28) 2.00 mm
Cwmtillery Raingauge
3h Total
1.00 mm
05:00-08:00
6h Total
1.60 mm
02:00-08:00
12h Total
10.20 mm
20:00 (Oct 28)-08:00
24h Total
10.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:45 (Oct 29) 1.60 mm
Dyffryn Isaf Llantrisant Raingauge
3h Total
2.40 mm
05:00-08:00
6h Total
3.20 mm
02:00-08:00
12h Total
11.00 mm
20:00 (Oct 28)-08:00
24h Total
11.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:30 (Oct 29) 1.40 mm
Llwynon Reservoir River Station
3h Total
3.40 mm
05:00-08:00
6h Total
4.40 mm
02:00-08:00
12h Total
15.20 mm
20:00 (Oct 28)-08:00
24h Total
15.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:15 (Oct 28) 2.40 mm
Machen Waterloo Raingauge
3h Total
1.80 mm
05:00-08:00
6h Total
2.20 mm
02:00-08:00
12h Total
7.60 mm
20:00 (Oct 28)-08:00
24h Total
7.60 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 22:00 (Oct 28) 1.40 mm
Maerdy WTW Raingauge
3h Total
2.80 mm
05:00-08:00
6h Total
4.00 mm
02:00-08:00
12h Total
12.20 mm
20:00 (Oct 28)-08:00
24h Total
12.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:30 (Oct 28) 1.60 mm
Nant Yr Ysfa Raingauge
3h Total
1.60 mm
05:00-08:00
6h Total
2.20 mm
02:00-08:00
12h Total
10.20 mm
20:00 (Oct 28)-08:00
24h Total
10.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:30 (Oct 29) 1.40 mm
Nelson Raingauge
3h Total
1.60 mm
05:00-08:00
6h Total
1.80 mm
02:00-08:00
12h Total
8.00 mm
20:00 (Oct 28)-08:00
24h Total
8.00 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:45 (Oct 29) 0.80 mm
Pontsticill Upper Raingauge
3h Total
3.40 mm
05:00-08:00
6h Total
4.20 mm
02:00-08:00
12h Total
15.20 mm
20:00 (Oct 28)-08:00
24h Total
15.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:15 (Oct 28) 2.20 mm
Rhiwbina Reservoir Raingauge
3h Total
2.80 mm
05:00-08:00
6h Total
3.60 mm
02:00-08:00
12h Total
8.00 mm
20:00 (Oct 28)-08:00
24h Total
8.20 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 01:30 (Oct 29) 1.20 mm
Rhiwsaeson STW Raingauge
3h Total
2.00 mm
05:00-08:00
6h Total
3.00 mm
02:00-08:00
12h Total
7.00 mm
20:00 (Oct 28)-08:00
24h Total
7.00 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 01:15 (Oct 29) 0.60 mm
Rhymney Reservoir Raingauge
3h Total
2.40 mm
05:00-08:00
6h Total
3.00 mm
02:00-08:00
12h Total
14.00 mm
20:00 (Oct 28)-08:00
24h Total
14.00 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:30 (Oct 28) 2.40 mm
St Fagans Raingauge
3h Total
1.80 mm
05:00-08:00
6h Total
2.60 mm
02:00-08:00
12h Total
4.40 mm
20:00 (Oct 28)-08:00
24h Total
4.40 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 01:30 (Oct 29) 0.60 mm
Storey Arms Raingauge
3h Total
1.80 mm
05:00-08:00
6h Total
2.60 mm
02:00-08:00
12h Total
9.60 mm
20:00 (Oct 28)-08:00
24h Total
9.60 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:30 (Oct 29) 1.00 mm
Trelewis Raingauge
3h Total
1.80 mm
05:00-08:00
6h Total
2.20 mm
02:00-08:00
12h Total
8.40 mm
20:00 (Oct 28)-08:00
24h Total
8.40 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 24:30 (Oct 29) 1.00 mm
Ty Fry Raingauge
3h Total
1.80 mm
05:00-08:00
6h Total
2.00 mm
02:00-08:00
12h Total
7.80 mm
20:00 (Oct 28)-08:00
24h Total
7.80 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:00 (Oct 28) 1.20 mm
Tyn Y Waun Treherbert Raingauge
3h Total
4.40 mm
05:00-08:00
6h Total
5.80 mm
02:00-08:00
12h Total
17.00 mm
20:00 (Oct 28)-08:00
24h Total
17.00 mm
08:00 (Oct 28)-08:00
Last 24h: Max 15m intensity at 23:30 (Oct 28) 2.20 mm
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