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Archive Cat 2 · Moderate

Storm Conor

25–26 December 2016 · 2016-17 season · named by Met Office · Scotland

85 mphmax gust
27flood warnings & alerts
A Boxing Day storm with gusts up to 85mph and amber warnings for the Northern Isles and north Caithness; hundreds of homes across Scotland and Shetland lost power, predominantly a wind event.

Flood footprintstorm total

0severe warnings
1flood warnings
26flood alerts
26areas
9counties
19rivers & seas

Worst-hit areas

  • The Suffolk Coast at Southwold2
  • Essex Coast from Clacton to St Peters Flat including the Rivers Colne and Blackwater Estuaries1
  • Humber Estuary from Spurn Point to Winestead Outfall1
  • Keswick Campsite1
  • Lower River Eden1
  • Middle River Eden1

Counties

  • Cumberland11
  • Westmorland and Furness10
  • Suffolk6
  • East Riding of Yorkshire3
  • Norfolk3
  • Essex2

Rivers & seas

  • North Sea7
  • River Eden3
  • Derwent, Stonethwaite Beck1
  • Derwentwater1
  • Humber Estuary, Winestead Drain1
  • North Sea, River Orwell, River Deben1

Flood mapthe storm's flood footprint

Red/amber rings mark rivers that reached or came close to their own high level during the storm — the most direct evidence of likely flooding (the gauge measures the river, not any one property). Solid dots mark each flood area's reference point, coloured by the most severe warning raised there — a warning means flooding was expected. Shaded shapes are the Environment Agency's recorded flood outlines: land actually observed flooded, published retrospectively (updated quarterly). England data only.

The rainstorm-total by gauge

GaugeTotal mm
Ennerdale Black Sail 80.2
Honister 79.2
Seathwaite Farm 68.2
Mickleden Middle Fell Farm 58.6
Brotherswater 44.0
Dale Head 34.2
Wet Sleddale 29.6
Thirlmere St Johns Beck 28.0
Watchgate 27.6
Far Gearstones 27.5
Brathay Hall 26.4
Aisgill 26.2

The riverspeak vs warning level

StationPeak% of warning
Wensor Bridge, Shelton · River Devon 3.46 m 203%
Sprouston · River Tweed 2.61 m 160%
Prestbury Road · Wymans Brook 0.08 m 160%
Silsden · Silsden Beck 0.17 m 159%
Riseley · River Kym 1.10 m 157%
Whitewater Bridge · River Maun 1.11 m 139%
Greenholme · River Irthing 2.23 m 129%
Ferrybridge Fishergate · Wash Dike 0.27 m 127%
Sands Centre, Carlisle · River Eden 3.12 m 125%
Brookhouse Farm · Ford Green Brook 1.16 m 122%
Linstock · River Eden 2.92 m 122%
Kielder Butteryhaugh · River North Tyne 0.67 m 120%

Gauge records cover 24–27 December 2016 (the storm window ± a day). Frozen 3 Jul 2026.

Storm Barbara All UK storms Storm Doris

FloodRadar compiles Environment Agency warning history, gauge data and public reporting. It is not an emergency service and does not replace official flood warnings — always follow official guidance during a storm.