Rainfall over south-east England, 20-23 Nov 2003

After a dry summer and autumn, heavy rain fell over south-east England between 20-23 November 2003.

Using data available on the 25th, November is the wettest month of the year in the south-east/central southern region with 117.6 mm. Previously during 2003, January was the wettest with 86.8 mm.

Monthly weather summary for 2003 | Dry weather during 2003

Synoptic situation

The animation below (12-hourly time steps) shows the pressure systems and fronts responsible for the rainfall over south-east England between 20 and 23 November 2003.

asxxanimationnov03

Rainfall station data 20-23 November

The table below shows the highest rainfall totals recorded between 20 and23 November 2003, using data available on 24 November 2003. Most of the rain fell in the 48 hours between 21:00 on 21 November to 21:00 on 23 November.

Rainfall 20-23 November 2003
Station 20 Nov
(mm)
21 Nov
(mm)
22 Nov
(mm)
23 Nov
(mm)
20-23 Nov
(mm)
Nov monthly
average (mm)
4-day total as
per cent of average
48-hour total ending
21:00 on 23 Nov
Charlwood 10.0 25.2 38.4 20.4 94.0 79.0 119% 81.4
Wisley 5.8 20.8 33.0 25.4 85.0 61.9 137% 76.4
Odiham 5.4 13.8 31.4 30.8 81.4 72.2 113% 71.4
Kenley Airfield 10.4 13.0 35.2 22.4 81.0 79.3 102% 67.6
Herstmonceux 9.6 17.2 40.0 7.8 74.6 93.8 79% 63.4

Guernsey Airport had 75.1 mm during the four days 20-23 November.

Averages are calculated for the period 1961-90 and have been estimated where a 30-year record is not available.

Rainfall maps for 20-23 November

The maps below show the four-day rainfall totals for 20-23 November 2003. The anomaly map expresses the total as a percentage of the the 1961-90 long-term November average.

Rainfall 20-23 Nov 2003

4dayrainnostns

Anomaly 20-23 Nov 2003

4dayanomnostns

48-hour rainfall maps

Most of the rain fell in the 48 hours between 21:00 on 21 November and 21:00 on 23 November. The maps below show rainfall totals for this period. The anomaly map expresses the total as a percentage of the the 1961-90 long-term November average.

48-hour rainfall

48hourrainnostns

48-hour anomaly

48houranomnostns

Maps use information available on 24 November 2003.

Last updated: 6 November 2012