Digital Map Data:
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Sunday, 9 March 2014: dawn to dusk
Printable view Forecast issued: 0411 on Sunday, 9 March 2014
Thicker cloud in far west around dawn with perhaps some patchy drizzle, soon clearing. Otherwise, another fine and sunny day across the Brecons. Thicker cloud pushing in during the evening across western hills with some hill fog.
|Heavy snow||No Risk|
|Storm force winds||No Risk|
|Gales||Low||Gales possible at first.|
|Severe chill effect||Low||Feeling like -2 across the summits early this morning, before winds ease.|
|Persistent and extensive hill fog||Low||Patchy hill fog at first on western hills, quickly clearing.|
|Heavy persistent rain||No Risk|
|Strong Sunlight||No Risk|
|Dawn to 0900||0900 to 1200||1200 to 1500||1500 to dusk|
Thicker cloud in far west around dawn with perhaps some patchy drizzle, soon clearing. Otherwise, another fine and sunny day across the Brecon Beacons with any mist and fog through the valleys soon lifting and breaking up. Thicker cloud pushing in during the evening across western hills with hill fog. Later in the evening, cloud will thicken across western hills.
Generally good, but poor in the early patchy drizzle in the far west, and very poor in the hill fog and any valley fog.
Hills free of cloud for much of the day. However, low cloud may affect hills in the far west of the park around dawn before quickly clearing. Through the evening bases will thicken and lower once again. Extensive hill fog above 500m enveloping western hills towards midnight.
Southerly 40-50mph, easing and becoming southwesterly 20-30mph through morning.
|Valleys||Plus 6 becoming 16 Celsius.|
|800 m||Plus 8 becoming 6 Celsius.|
|Freezing level||Well above the summits.|
Low cloud will envelop the hills overnight with outbreaks of rain or drizzle, easing through the morning. The cloud will slowly lift and break up towards midday with sunny spells developing by the afternoon. Temperatures will drop sharply during the evening through the valleys with a frost likely overnight.
Generally good or very good, but very poor in the hill fog.
Extensive hill fog at 400-600m developing overnight, perhaps 300m western hills. However, the bases will lift and break up through the morning with all hills becoming clear of cloud during the afternoon. However, some fragments may form at times across the summits.
Southwesterly 20-30mph overnight, easing and becoming light and variable through the morning.
|Valleys||Plus 5 becoming 12 Celsius.|
|800 m||Plus 6 becoming 4 Celsius.|
|Freezing level||Just above the summits.|
Another dry and fine day with length periods of sunshine, after a cold and frosty start with perhaps some patchy fog. Freezing level above the summits.
Cold start with some frost likely through the valleys and perhaps some isolated fog patches. Otherwise, another fine day with light winds and scattered cloud bases generally above the summits.
Another cold start with a frost through sheltered valleys and perhaps some fog patches. Any fog soon clearing to leave another day of sunny spells and light and variable winds.
Altitude 353 metres
Rainfall measured at 03:00 Sunday, 09 March 2014
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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