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Saturday, 4 February 2012: dawn to dusk
Printable view Forecast issued: 0415 on Saturday, 4 February 2012
A dry frosty start and morning. Cloud will increase with snow spreading from the west together with strong winds or gales.
| Hazards | Risk | Explanation |
|---|---|---|
| Blizzards | Medium | With heavy snow over hill tops later and gales blizzard conditions are possible. |
| Heavy snow | High | Snow will become occasionally heavy and persistent later. |
| Storm force winds | No Risk | |
| Gales | High | Strong south to southwest winds will gust increase to gale over peaks and ridges. |
| Severe chill effect | High | There will be a severe wind chill in gales and freezing conditions later. |
| Persistent and extensive hill fog | High | Hill fog will become widespread later. |
| Thunderstorms | No Risk | |
| Heavy persistent rain | No Risk | |
| Strong Sunlight | No Risk |
key to hazards and forecast content
| Dawn to 0900 | 0900 to 1200 | 1200 to 1500 | 1500 to dusk |
![]() Sunny intervals |
![]() Cloudy |
![]() Light snow |
![]() Heavy snow |
| 0% | 10% | 30-50% | 70-90% |
A dry frosty start and morning. Cloud will increase with outbreaks of snow spreading from the west soon after midday. This will become occasionally heavy during the afternoon with blizzard conditions in exposed areas. Becoming misty with widespread hill fog. Icy, snowy conditions are expected underfoot with a severe wind chill developing.
Good at first, but becoming poor or very poor in hill fog and snow.
Cloud bases will be mainly above the tops at first. Cloud bases lowering to 300 metres later in the afternoon.
Southerly winds will increase to strong to gale with speeds 30 to 40 mph, and gusts to 50 or 60 mph later.
| Valleys | Minus 4 rising to zero Celsius |
| 600 m | Minus 1 or minus 2 Celsius |
| Freezing level | All level will be below freezing or around freezing later. |
A frosty start with lying snow and widespread icy surfaces. Some mist and valley freezing fog patches. Much of the day will be dry with bright or sunny spells. Cloud will though increase later with some patchy light rain, sleet or snow. Snow will fall on slopes above about 400 metres. Still feeling very cold with icy conditions.
Locally poor or very poor in patchy mist and valley fog at first. Becoming very poor in hill fog later. Otherwise good.
Apart from some early morning mist and low cloud the hills will become free of cloud for a time during the day. Then hill fog forming on slopes above 400 metres later.
Northwesterly light or moderate with speeds 15 to 25 mph over peaks.
| Valleys | Minus 4 Celsius rising to plus 3 Celsius |
| 600 m | Minus 2 Celsius |
| Freezing level | All levels will be below freezing at first, rising to 300 metres later in the day. |
Remaining cold with lying snow. Some light rain, with sleet or snow possible on peaks at times. Cloud will be broken with patchy hill fog. Winds light and variable.
Turning a little less cold, but with rain, cloud and widespread hill fog. Lying snow will be slow to clear. Strong to gale southwesterly winds on peaks.
Further rain and strong to gale force winds are expected through the day. Hill fog will be widespread.
Altitude 511 metres
Rainfall measured at 03:00 Saturday, 04 February 2012
Rainfall data provided by the Environment Agency. The Met Office is not responsible for content provided by third parties and may remove this data without warning.
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