Environment AgencyHistoric Flood Warnings2006-01 to 2026-06

Flood alerts and warnings in England since 2006

The Environment Agency issued 67,339 flood alerts, flood warnings and severe flood warnings in England from January 2006 to June 2026; 2024 was the busiest year (7,625). Every flood area with ten or more has its own history here.

How many flood alerts and warnings a year?

2024 was the busiest year: 7,625

Flood alerts, flood warnings and severe flood warnings (updates not counted), England, by calendar year. 2026 runs to the end of June, the history file's last month.

The numbers

Year	Flood alerts	Flood warnings	Severe
2026	1,644	552	3
2025	2,931	1,084	1
2024	5,110	2,510	5
2023	4,065	1,690	5
2022	2,128	570	14
2021	2,624	864	7
2020	3,536	1,892	22
2019	3,437	1,297	8
2018	2,317	463	0
2017	1,897	360	24
2016	3,138	800	3
2015	2,507	960	101
2014	3,514	1,465	74
2013	2,646	921	73
2012	3,701	1,832	15
2011	1,088	163	0
2010	52	298	2
2009	0	536	10
2008	0	1,077	44
2007	0	889	76
2006	0	293	1

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

The flood areas with the most alerts and warnings

Flood area	Environment Agency area today	Alerts
Tidal Thames riverside from Putney Bridge to Teddington Weir	Kent S London and E Sussex	761
North Sea coast at Bridlington	Yorkshire	650
Coast at North Morecambe Bay	Cumbria and Lancashire	529
The Essex coast from Clacton to and including, St Peters Flat and the Colne and Blackwater estuaries	East Anglia	400
Somerset coast at Porlock Weir	Wessex	392
Christchurch Harbour	Wessex	294
Humber estuary from Spurn Point to Winestead Outfall	Yorkshire	270
Tidal River Avon at Bristol, Pill and Shirehampton	Wessex	265
Upper River Tamar	Devon and Cornwall	246
West Dorset Rivers and Streams	Wessex	231
Coast from Gretna to Silloth	Cumbria and Lancashire	225
Wyre estuary from Fleetwood and Knott End to Little Eccleston	Cumbria and Lancashire	225
Rivers Clyst and Culm and their tributaries	Devon and Cornwall	224
North Sea coast at Withernsea, Easington and Kilnsea	Yorkshire	224
The tidal River Yare from Thorpe St Andrew to Breydon Water	East Anglia	217
North Sea coast from Whitby to Filey	Yorkshire	210
Dorset coast at Poole Harbour	Wessex	209
River Axe area	Devon and Cornwall	206
Middle Exe area	Devon and Cornwall	205
South East Somerset Rivers, Upper Reaches	Wessex	204
River Churnet and River Tean	West Midlands	202
Upper Avon River Swift and Clay Coton Brook	West Midlands	193
Severn Vyrnwy Confluence	West Midlands	192
Lower River Soar in Leicestershire	East Midlands	192
River Maun in Nottinghamshire	East Midlands	189

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.

By Environment Agency area (today's areas)

West Midlands9,558 since 2006
Yorkshire8,126 since 2006
Wessex7,728 since 2006
Devon and Cornwall5,986 since 2006
Cumbria and Lancashire5,371 since 2006
East Anglia5,345 since 2006
Solent and South Downs3,741 since 2006
East Midlands3,630 since 2006
Thames3,531 since 2006
Kent S London and E Sussex3,190 since 2006
Lincs and Northants2,029 since 2006
North East1,742 since 2006
Gtr Mancs Mersey and Ches1,607 since 2006
Herts and North London1,161 since 2006
No longer a flood area4,594 since 2006

Source: Environment Agency, Historic Flood Warnings (England); Environment Agency flood-monitoring API. Contains public sector information licensed under the Open Government Licence v3.0.