The Met Office website is more useful.
http://www.meto.gov.uk
Expected from 06:00 Thu 21 Sep to 03:00 Fri 22 Sep
This is the first warning of disruption due to Severe gales
The Met Office is forecasting a period of very windy weather over western parts of the United Kingdom in the next few days. The strongest winds are expected during Thursday with Northern Ireland most at risk. Gusts of 70-80mph are expected. Winds of this strength early in the autumn are likely to lead to disruption to transport and power supplies. There is also a small risk of exceptionally severe gales with gusts in excess of 80mph.
This warning will be updated around 1000 tomorrow Wednesday 20 September.