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Saturday, 20 March 2010: dawn to dusk
A generally cloudy day with some heavy rain likely at times and with extensive hill fog.
| 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 | High | Likely to be persistent and extensive through the day on ground above 400 metres. |
| Thunderstorms | No Risk | |
| Heavy persistent rain | High | Periods of rain through the day with some heavy rain at times. |
| Dawn to 0900 | 0900 to 1200 | 1200 to 1500 | 1500 to dusk |
![]() Heavy Rain |
![]() Heavy Rain |
![]() Heavy Rain |
![]() Light rain |
| 80% | 80% | 80% | 80% |
A generally cloudy day is expected with periods of rain which will often be heavy and with extensive hill fog, especially at higher levels. Moderate winds.
Generally moderate or poor in rain and very poor in fog.
Likely to be extensive above around 400 metres with occasional patches below this level in heavier rain.
Variable 15 to 20 mph becoming northerly 25 mph later in afternoon.
| Valleys | Plus 10 to 12 Celsius falling to Plus 8 Celsius in north later. |
| 600 m | Plus 8 Celsius falling to Plus 4 Celsius in north later. |
| Freezing level | Well above the peaks. |
A much better day with sunshine at times and just the chance of the odd shower. Some early morning mist or fog patches are possible but should soon clear. Light winds.
Mostly good or very good but moderate or poor in any early mist or fog patches.
Patches likely in sheltered valleys first thing in the morning soon lifting and breaking. Mostly nil by afternoon.
Northerly becoming westerly 15 mph.
| Valleys | Plus 2 in sheltered valleys at first, otherwise Plus 4 rising to a maximum of Plus 10 Celsius. |
| 600 m | Plus 3 or 4 Celsius. |
| Freezing level | Well above the peaks. |
Probably mostly dry through the morning with good visibility but with freshening southerly winds and lowering cloud base. A spell of rain likely in the afternoon with occasional hill fog. A risk of southerly gales for a time.
Mainly dry with broken cloud and some sunny periods. Hill fog likely to be only patchy at higher levels. A few showers possible. Fresh or strong westerly or southwesterly winds.
Probably mostly cloudy with outbreaks of rain and with occasional hill fog. Strong southerly winds.
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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