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.
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.
| 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 2003Anomaly 20-23 Nov 2003
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 rainfall48-hour anomaly
Maps use information available on 24 November 2003.
