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Sunday, 21 March 2010: dawn to dusk
Early mist or fog patches will clear to leave a mainly dry day with sunny periods and mostly light winds.
| Hazards | Risk | Explanation |
|---|---|---|
| Blizzards | No Risk | |
| Heavy snow | No Risk | |
| Storm force winds | No Risk | |
| Gales | No Risk | |
| Severe chill effect | No Risk | |
| Persistent and extensive hill fog | Low | Likely to be only patches during the morning. |
| Thunderstorms | No Risk | |
| Heavy persistent rain | No Risk |
| Dawn to 0900 | 0900 to 1200 | 1200 to 1500 | 1500 to dusk |
![]() Mist |
![]() Sunny |
![]() Sunny |
![]() Cloudy |
| 10% | 0% | 0% | 20% |
Some patches of mist or fog first thing, clearing in the morning to leave a mostly dry day with sunny periods. High level cloud increasing from the west through the afternoon, perhaps with the odd light shower late in the day.
Mostly good or very good but poor or very poor in mist and fog at first.
Some patches at first, mainly at low levels and in sheltered valleys. These lifting and dispersing in the morning.
Westerly 15 mph at first backing southerly increasing to 25 mph later.
| Valleys | Zero to Plus 4 Celsius at first rising to a maximum of 11 Celsius in afternoon. |
| 600 m | Plus 4 Celsius increasing Plus 7 Celsius later. |
| Freezing level | Near surface in places at first, otherwise well above the Peaks. |
Probably dry at first but outbreaks of rain are expected to spread from the west during the morning with occasional hill fog developing. Southerly winds strengthening through the morning bringing a risk of gales over the highest ground. Clearer, drier conditions may follow from the west later.
Moderate or good, occasionally poor in rain and very poor in fog.
Patches above 300 metres at first. Becoming occasional above 500 metres through the morning with patches below this level in rain. May clear from the west later in the day.
Southerly 25 mph increasing 35 to 40 mph by midday with gusts in excess of 50 mph. Perhaps veering westerly later in the day.
| Valleys | Plus 3 to Plus 6 rising to a maximum of Plus 11 Celsius. |
| 600 m | Plus 4 rising to Plus 8 Celsius. |
| Freezing level | Well above the Peaks. |
Probably a mostly dry day with broken cloud and sunny periods. Any hill fog likely to be quite patchy. Still windy with a strong south or southwest wind, low risk of gales over the higher ground. Outbreaks of rain may develop late in the day.
Detail uncertain but probably a cloudier day with rain at times and with occasional hill fog, perhaps becoming extensive and persistent over the higher ground. Fresh or strong southerly winds with a continuing low risk of gales.
Probably as Wednesday. Outbreaks of rain through the day with a risk of extensive and persistent hill fog and a continuing risk of gales over the higher ground.
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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