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
12:15-15:15
6h Total
0.60 mm
09:15-15:15
12h Total
8.20 mm
03:15-15:15
24h Total
16.40 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 02:15 (Nov 01) 2.60 mm
Cwmtillery Raingauge
3h Total
1.40 mm
12:15-15:15
6h Total
1.40 mm
09:15-15:15
12h Total
5.00 mm
03:15-15:15
24h Total
12.60 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 22:30 (Oct 31) 1.60 mm
Dyffryn Isaf Llantrisant Raingauge
3h Total
0.00 mm
12:15-15:15
6h Total
2.00 mm
09:15-15:15
12h Total
6.60 mm
03:15-15:15
24h Total
8.60 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:30 (Nov 01) 2.40 mm
Llwynon Reservoir River Station
3h Total
0.60 mm
12:15-15:15
6h Total
0.60 mm
09:15-15:15
12h Total
5.00 mm
03:15-15:15
24h Total
8.40 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 05:45 (Nov 01) 1.20 mm
Machen Waterloo Raingauge
3h Total
0.00 mm
12:15-15:15
6h Total
1.40 mm
09:15-15:15
12h Total
4.40 mm
03:15-15:15
24h Total
6.80 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:45 (Nov 01) 1.80 mm
Maerdy WTW Raingauge
3h Total
1.20 mm
12:15-15:15
6h Total
1.60 mm
09:15-15:15
12h Total
12.00 mm
03:15-15:15
24h Total
16.80 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:00 (Nov 01) 2.60 mm
Nant Yr Ysfa Raingauge
3h Total
1.20 mm
12:15-15:15
6h Total
1.20 mm
09:15-15:15
12h Total
5.60 mm
03:15-15:15
24h Total
10.20 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:15 (Nov 01) 1.40 mm
Nelson Raingauge
3h Total
0.20 mm
12:15-15:15
6h Total
0.20 mm
09:15-15:15
12h Total
3.80 mm
03:15-15:15
24h Total
12.40 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 15:45 (Oct 31) 1.80 mm
Pontsticill Upper Raingauge
3h Total
0.60 mm
12:15-15:15
6h Total
0.60 mm
09:15-15:15
12h Total
7.20 mm
03:15-15:15
24h Total
11.80 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 07:45 (Nov 01) 1.40 mm
Rhiwbina Reservoir Raingauge
3h Total
0.40 mm
12:15-15:15
6h Total
0.40 mm
09:15-15:15
12h Total
1.40 mm
03:15-15:15
24h Total
3.00 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 22:30 (Oct 31) 0.60 mm
Rhiwsaeson STW Raingauge
3h Total
0.00 mm
12:15-15:15
6h Total
0.20 mm
09:15-15:15
12h Total
2.40 mm
03:15-15:15
24h Total
5.40 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 22:30 (Oct 31) 1.40 mm
Rhymney Reservoir Raingauge
3h Total
0.80 mm
12:15-15:15
6h Total
1.60 mm
09:15-15:15
12h Total
8.40 mm
03:15-15:15
24h Total
14.60 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 07:45 (Nov 01) 2.00 mm
St Fagans Raingauge
3h Total
0.40 mm
12:15-15:15
6h Total
1.00 mm
09:15-15:15
12h Total
2.40 mm
03:15-15:15
24h Total
3.60 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:15 (Nov 01) 1.20 mm
Storey Arms Raingauge
3h Total
1.20 mm
12:15-15:15
6h Total
1.40 mm
09:15-15:15
12h Total
8.20 mm
03:15-15:15
24h Total
11.80 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 07:15 (Nov 01) 2.20 mm
Trelewis Raingauge
3h Total
0.60 mm
12:15-15:15
6h Total
0.60 mm
09:15-15:15
12h Total
4.80 mm
03:15-15:15
24h Total
11.00 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:15 (Nov 01) 1.60 mm
Ty Fry Raingauge
3h Total
0.40 mm
12:15-15:15
6h Total
0.40 mm
09:15-15:15
12h Total
5.00 mm
03:15-15:15
24h Total
13.00 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 08:30 (Nov 01) 1.80 mm
Tyn Y Waun Treherbert Raingauge
3h Total
2.00 mm
12:15-15:15
6h Total
2.40 mm
09:15-15:15
12h Total
12.80 mm
03:15-15:15
24h Total
15.40 mm
15:15 (Oct 31)-15:15
Last 24h: Max 15m intensity at 01:45 (Nov 01) 2.60 mm
FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).
Copyright © FloodMapper 2023-2025.
All Rights Reserved