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Friday, 12 March 2010: dawn to dusk
Cold and windy with scattered heavy showers, wet snow at highest levels, risk of hail and thunder. A few sunny intervals. Showers mostly dying away later.
| Hazards | Risk | Explanation |
|---|---|---|
| Blizzards | No Risk | |
| Heavy snow | No Risk | |
| Storm force winds | No Risk | |
| Gales | High | For much of the day above about 400 metres. |
| Severe chill effect | High | In rain and wet snow at higher levels. |
| Persistent and extensive hill fog | No Risk | |
| Thunderstorms | Medium | Occasional lightning in heaviest showers chiefly in the afternoon in the east. |
| Heavy persistent rain | No Risk |
| Dawn to 0900 | 0900 to 1200 | 1200 to 1500 | 1500 to dusk |
![]() Heavy rain showers |
![]() Hail showers |
![]() Hail showers |
![]() Hail showers |
| 40% | 60% | 60% | 40% |
Occasional sunny intervals with scattered rain and hail showers, wet snow above 500 metres, perhaps temporary accumulations on highest peaks. Showers becoming much lighter and almost dying away towards dusk.
Good away from showers and hill fog.
Occasional fog above 500 metres chiefly in showers, but lifting above summits later.
North-northwest veering north-northeast, 30-40mph gusts 50-60mph over highest peaks and ridges.
| Valleys | Plus 3-5 Celsius rising 7 to 9 Celsius for a time. |
| 600 m | Plus 3 Celsius falling to zero later. |
| Freezing level | Just above summits, falling to about 600 metres by dusk. |
Isolated light showers but essentially dry with sunny spells. Variable sometimes large amounts of cloud. Strong northwesterly winds at higher levels.
Good or very good.
Occasional fog above about 600 metres.
Northwesterly 20-30 mph gusts 30-40mph.
| Valleys | Plus 5 to plus 9 Celsius |
| 600 m | Plus 3 Celsius |
| Freezing level | Just above summits. |
Isolated light showers but essentially dry. Often cloudy with occasional fog above 500 metres, but some bright or sunny spells especially in the southeast. Freezing level above summits. Good or very good visibility. Strong northwesterly winds at higher levels.
Perhaps some bright or sunny intervals at times otherwise mostly cloudy but mainly dry. Northwesterly winds continuing, still quite strong at highest levels. Occasional fog at higher levels. Freezing level above summits.
Some bright or sunny intervals at times otherwise mostly cloudy but mainly dry. Freezing level above summits. Occasional fog at higher levels.
Orkney & Shetland
Highlands & Eilean Siar
Grampian
Strathclyde
Central, Tayside & Fife
SW Scotland, Lothian Borders
Northern Ireland
Wales
North West England
North East England
Yorkshire & Humber
West Midlands
East Midlands
East of England
South West England
London & South East England
Avalanche Information for Scotland
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