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October 2000


The 30 October storm

This widespread storm affected southern Britain and brought heavy rainfall and strong winds to many areas. Rainfall over southern England and the Midlands was very heavy with many places seeing over two inches (50 mm) on Sunday and into Monday morning. Snow fell in parts of northern England; Boltshope Park near Durham reported 15 cm of snow in less than 3 hours.

This synoptic chart shows the analysis at 0600 (UTC) on Monday 30 October.
This radar animation shows the development of the storm on Monday 30 October.

The storm was 'born' following a major cyclogenesis (formation of a depression) on the 26th well to the north-west of the UK.

More about how the storm formed and developed

During the 24 hours ending 0900 (UTC) on Monday 30 October, Enfield (north London) measured 63.6 mm, a one in 32 year event. Over the same period Larkhill (Salisbury Plain) measured 57.8 mm, a one in 28 year event.

Rainfall for the 24 hours ending at 0900 (UTC) on Monday 30 October

Winds overnight were strongest in the south-west and south Wales. A maximum gust of 84 knots (97 m.p.h.) was measured at Mumbles Head, south Wales. Plymouth recorded 80 knots (92 m.p.h.), Isle of Portland 81 knots (93 m.p.h.). A maximum gust of 74 knots (85 m.p.h.) was measured at Wainfleet on the Lincolnshire coast.

Maximum gusts between 0100 (UTC) and 1200 (UTC) on the 30 October

There was much rain earlier on in the month too. Bracknell, Berkshire has broken its rainfall record for October recording a total of 177.8 mm (52.2 mm fell on the 29th). The previous record of 170.9 mm was set in 1987. This latest record is the third for Bracknell this year, following record-breaking rainfall amounts in April and May.

These maps show the extent of the rainfall for October 2000.
Actual (mm) / Anomaly (percent of long term average) / Return period (years)