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Newborough Warren — Groundwater Flooding Forecaster

Per-well Pflood forecasting · Hollingham (2026), §3.6.3 · Iterated closed-form SSM
Fetching live RAF Valley rainfall...

Pflood vulnerability map

Each well coloured by winter rainfall required to reach SD15b threshold
Pflood to SD15b (−0.10 m)
Reachable (< climatology)
Wet winter required (1.0–1.3×)
Exceptional winter (1.3–2.0×)
Structurally unreachable (>2.0×)
Assumed winter rainfall multiplier λ
Climatological (1.00×)