Storm Fergus

10–11 December 2023 · 2023-24 season · named by Met Eireann · Ireland, England

▶ Replay this storm hour by hour the rain, the rivers and the warnings on one clock, and the moments that mattered at your door

77 mphmax gust

280flood warnings & alerts (England)

Named the same day as Elin, Fergus followed immediately with strong winds (a 77mph gust at Leeds) and high waves raising coastal-flood risk; a short-lived wind storm compounding Elin's disruption.

Flood footprintEnvironment Agency warning history, England · storm total

0severe warnings

70flood warnings

210flood alerts

240areas

102counties

175rivers & seas

Counted from the Environment Agency's warning record for England (9–11 December 2023). Welsh warnings are held in a separate record and are not counted here, and FloodRadar only began recording Scottish warnings on 16 September 2026 because SEPA publishes no archive. So this is England's share of the storm, not its total.

Worst-hit areas

Eastern Yar3
River Severn at Apperley and The Leigh3
River Severn at Severn Ham, Tewkesbury3
Western Rother3
Whitwell, Wroxall, Langbridge, Alverstone on the Eastern Yar3
Aldingbourne and Barnham Rifes2

Counties

Derbyshire29
North Yorkshire29
Worcestershire23
Warwickshire21
Staffordshire18
Gloucestershire18

Rivers & seas

River Derwent10
River Severn10
Eastern Yar7
River Ouse6
River Trent6
Dorset Frome5

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. An unshaded area means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record.

The rainstorm-total by gauge

Gauge	Total mm
Mickleden Middle Fell Farm	128.6
Coniston Coppermines	113.7
Honister	104.8
Ennerdale Black Sail	102.6
Seathwaite Farm	96.2
Footholme	94.8
Brotherswater	81.2
Ulpha Duddo	80.6
Brathay Hall	78.0
Wastwater Hotel	76.4
Glenridding Greenside Mines	74.4
Gorpley	71.4

The riverspeak vs warning level

Station	Peak	% of warning
Ferrybridge Fishergate · Wash Dike	0.75 m	354%
Allerton Ings · Aire Washlands	1.01 m	337%
Skirfare Bridge · River Skirfare	1.96 m	337%
Leighton Buzzard · River Ouzel	1.08 m	331%
Todmorden Millwood · River Calder	2.43 m	322%
Hunsingore · River Nidd	2.19 m	313%
Ripon Birkby Nab · River Laver	2.62 m	306%
Skipton Eller Beck · Eller Beck	2.29 m	305%
Canklow Washlands · Ulley Brook	2.35 m	302%
Oakenshaw Wyke Bottoms · Low Moor Beck	0.89 m	297%
Upper Tean · River Tean	1.15 m	287%
Sandhill Bridge · Blackfoss Beck	1.38 m	278%

Gauge records cover 9–12 December 2023 (the storm window ± a day). Frozen 3 Jul 2026.

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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.