British Isles weather diary
Recent temperature, rainfall and sunshine extremes over the British Isles- Maximum temperature; 06-18 UTC
- Minimum temperature; 18-06 UTC
- Grass minimum temperature; 18-06 UTC
- Overnight rainfall; 18-06 UTC
- Daytime rainfall; 06-18 UTC
- Sunshine; sunrise-sunset yesterday
British Isles weather, October 2009
The 29th brought a west-east split in terms of cloud, rain and sunshine. Mist and fog was widespread by dawn across England and Wales and at Valentia (located under an arriving warm sector) the overnight air temperature did not drop below 14.5C. Fronts gave a little rain overnight in S Ireland and N Scotland- during the day this rain spread to affect much of Ireland and S Scotland by sunset- later pushing into N Scotland. It remained largely dry across much of England and Wales with some sunny periods here and in E Scotland. However, even in these drier areas some places were generally dull or sunless with widespread mist reforming in the evening in a mild but humid S'ly airflow. (Valley 19.1C, Lerwick 10.7C maximum, Redesdale Camp 2.8C minimum, Dunstaffnage 10.0mm, Kirkwall 6.8h.)
The warm sector over the British Isles on the 30th gave way during the second half of the day as cold fronts spread E to reach E areas by midnight. Rain cleared NE Scotland before dawn but a further rain area moved across Ireland and into W Scotland by daybreak. Valentia reported 31mm of rain in the 12 hours ending 0600GMT. During the day the rain was widespread and persistent across much of Ireland and W Scotland; across England and Wales early mist or haze was slow to clear but there were sunny spells in the E ahead of the cold fronts. (Kinlochewe 18.3C, Lerwick 11.5C maximum, Leconfield 5.7C minimum, West Freugh 25.8mm, Manston 4.1h.)
The cold fronts across E areas early on the 31st brought bands of rain, some of it heavy, to E Scotland and places further S; the rain finally cleared from E England by midday. Further W troughs brought showers to many areas, with some heavy falls reported across Ireland and W Scotland. In E and Cent England, and in parts of E Scotland, it was mainly dry after the clearance of the cold front with sunny spells becoming widespread later. This sunshine also helped to make it a warm afternoon across much of England and Wales - and even Ireland had a warm afternoon. Belmullet and Casement Aerodrome reported some thunder during showers during the day. (Wisley 18.4C, Lerwick 11.1C maximum, Loch Glascarnoch 5.7C minimum, Lerwick 18.8mm, Leuchars 6.0h.)
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Last updated 2 November 2009.