The Great Stour Project - River and Coastal Flooding

River Flooding

Several areas of the catchment are at risk from either fluvial or tidal flooding.

CANTERBURY: A SUMMARY OF FLOOD EVENTS

Year

Month

Causes

Consequences

1776

January

Very heavy rain over four days resulting in a sudden and surprising rise in the river level.

Riverside buildings inundated to a depth of four feet. Strong current running through several streets. One fatality.

1848

December

Heavy rainfall over a period of one week.

Low lying houses evacuated and filled with two to three feet of water. Rail bridge collapse near Chartham. London bound luggage train plummets into river.

1882

November

Heavy rain over a number of days.

 

1909

October

Exceptionally heavy rain over a period of three days. 4.22 inches fell between three o’clock on the afternoon of Tuesday 27 and nine o’clock on Friday 30. Over an inch and a quarter fell in three hours on Friday morning.

Several streets are flooded, St. Peter’s street being under 2ft. 3in. of water. Some relief afforded by new flood course at Miller’s Fields. Widespread inundation of the flood plain from Wye to Sturry.

1927

December

Thaw, combined with over four inches of rain within seven days and an easterly gale inducing a high tidal effect.

Arguably the city’s greatest catastrophe. Hundreds of people homeless. Mayor launches a special appeal.

1932

May

A severe thunderstorm, releasing 25mm of rain in just over an hour, overcame the city drains. During the storm, a hundred million gallons of water fell within the city boundaries, of which 86 million gallons fell in the intense period of half-an-hour during which 0.96 inches (24mm) was recorded.

Streets turned into miniature rivers. A torrent of water pours down the Whitstable road.

1939

January

Heavy rainfall, totalling 1.7 inches, on several inches of snow causing rapid runoff.

St. Peter’s Place submerged under one foot of water. Flooding below floorboards.

1947

January

Heavy rain following thaw

 

1966

November

Heavy rain over several days.

No serious damage to property. Flood plain at Thanington and Sturry submerged in 1 to 2 feet of water.

1967

May

Torrential rain with driving hailstones reducing visibility to only a few yards. City drains were unable to deal with the runoff.

Localised urban flooding.

1967

November

Heavy rainfall; obstruction of flow by St. Peter’s bridge

Westgate Gardens inundated and some cellars flooded.

1968

September

Torrential rain exceeding capacity of drainage system.

Localised urban flooding.

1969

August

Heavy rainfall and inadequate drainage possibly compounded by the growth of the University and housing developments.

Sheet flow down roads and streets into the city centre. Localised flooding.

1970

January

 

Westgate Gardens turned into a lake.

1984

October

Intense rainfall, 42 millimetres over 26 hours, exceeded the capacity of city drains.

 

1987

October

Heavy rainfall and flood discharge combined with the council failing to open flood sluices.

Some houses in Blackfriars under threat. Minor bank collapse.

1997

December

Heavy rainfall and snowmelt on frozen ground.

 

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