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yellow Warnings have been issued for the United Kingdom

Brecon Beacons

Weather hazards over 300m on Fri 30 Jan 2015

High risk

North-westerly winds on routes above 500m experiencing gales throughout Friday.
Severe chill effect
Combination of strong winds, and wintry precipitation make it feel closer to -15 Celsius at height.
Persistent extensive hill fog
Widespread above 400m through to mid-morning, then returning later in the evening.

Medium risk

Snow, both lying and falling will be blown around with whiteout conditions and minimal visibility.

Low risk

Heavy snow
Low risk of heavy some heavy snow showers giving further accumulations above 200 metres.
Storm force winds
Gusts to 70mph are possible over the most exposed routes in the heaviest showers.
Heavy showers this evening will have the potential to turn thundery with a risk of lightning.
Heavy persistent rain
Heavy wintry showers this evening could produce some downpours of rain or sleet.
Strong sunlight
Sunlight reflecting off snow covered surfaces will produce a glare making it very bright.

No risk

Fri 30 Jan 2015

Early showers clearing, leaving brighter skies to develop through the rest of this morning. Winds will still be strong however, with northwesterly gales making it feel closer to -8 Celsius at low-levels, and -15 Celsius at height. In the evening low cloud and wintry showers return with the potential for dangerous conditions with heavy, perhaps thundery and wintry showers combined with gales.

0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Light snow shower day Sunny intervals Sunny intervals Cloudy Sleet shower night Heavy snow shower day
Precipitation probability
60% 40% 30% 40% 70% 70%


Poor in early showers, becoming excellent. Visibility dropping to poor or very poor in further wintry showers from this evening.

Hill Fog

Early cloud mostly clearing the summits after dawn with only occasional patches to 600m. Periods of hill fog returning above 500m from the evening.

Max wind above 400m

Westerly turning north-westerly 45mph gusting 65-70mph.


Plus 1 Celsius, rising to plus 4 Celsius, falling to Zero Celsius later.
Minus 3 Celsius.
Freezing level:
400 metres, rising to 600m for a time.

Recent Rainfall

Neuadd Rain (near Pontsticill)
353 m
Rainfall measured at:
0300 on Fri 30 Jan 2015
Last 24 hours:
9.8 mm
Last 48 hours:
14.8 mm
Last 72 hours:
15.4 mm

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.

Issued at: 0332 on Fri 30 Jan 2015

Sat 31 Jan 2015

Further blustery wintry showers at times throughout the day with snow above 200m and with gales across many routes, the combination of which will continue to make it feel very cold. Visibility is also likely to be poor through much of the day with blizzard conditions in the snow showers. Showers may ease for a time during the morning but will become more frequent again during the afternoon and evening.


Poor or very poor in wintry showers, otherwise moderate.

Hill Fog

Periods of hill fog above 500m with patches as low as 200m in the heaviest showers.

Max wind above 400m

North or northwesterly 40mph gusts 60-65mph increasing 50-55mph gusts 75mph late evening.


Zero Celsius rising to plus 5 Celsius, falling to plus 1 Celsius later.
Minus 3 Celsius.
Freezing level:
400 metres, falling to 200m later.

Issued at: 0332 on Fri 30 Jan 2015

Sun 01 Feb 2015

Occasional snow showers, otherwise mostly dry with sunny spells. Strong northerly winds with gales, perhaps severe gales over the highest routes. Freezing level 200-300 metres, falling as low as 100m at times.

Issued at: 0332 on Fri 30 Jan 2015

Mon 02 Feb 2015

Winds easing but still cold with the northerly direction. Snow showers continuing, likely becoming more frequent than on Sunday. Freezing level 300m, rising to 600 metres, falling to 100 metres later.

Issued at: 0332 on Fri 30 Jan 2015

Tue 03 Feb 2015

Rather cloudier with hill fog. Snow showers becoming less frequent again as winds become more northeasterly. Freezing level 100 metres, rising to around 300 metres.

Issued at: 0332 on Fri 30 Jan 2015