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Yellow Warning Weather warnings issued for the United Kingdom

Brecon Beacons

Weather hazards over 300m on Thu 24 Jul 2014

High risk

Strong sunlight
Near unbroken sunshine and high UV levels leading to a high risk of sunburn.

Medium risk

No medium risks
none

Low risk

Thunderstorms
Low risk of a thundery shower, mainly through the afternoon.

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Gales
none
Severe chill effect
none
Persistent extensive hill fog
none
Heavy persistent rain
none

Thu 24 Jul 2014

Some isolated valley mist and fog at first, then a fine and dry day with plenty of long sunny spells. There is a very low risk of an isolated heavy/thundery shower through the afternoon. Winds will be light easterly. It will be very warm or locally hot, particularly when walking in direct sun. UV levels will be moderate to high, so there is a high risk of sunburn.

Time
0000 to 0300 0300 to 0600 0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
Precipitation probability
0% 0% 0% 0% 20% 20% 10% 0%

Visibility

Excellent but poor in any early mist and heavy/thundery showers.

Hill Fog

Nil significant.

Max wind above 400m

Easterly 10-15mph.

Temperature

Valleys:
Plus 14 Celsius becoming plus 29 Celsius.
800m:
Plus 17 Celsius.
Freezing level:
Above the summits.

Recent Rainfall

Location:
Neuadd Rain (near Pontsticill)
Altitude:
353 m
Rainfall measured at:
1500 on Wed 23 Jul 2014
Last 24 hours:
0.0 mm
Last 48 hours:
0.0 mm
Last 72 hours:
0.0 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: 1437 on Wed 23 Jul 2014

Fri 25 Jul 2014

Another sunny day with temperatures again very warm of locally hot. Winds will remain easterly and light. There is a small risk of a heavy, possibly thundery, shower through the afternoon and early evening. UV levels will again be high.

Visibility

Excellent, poor in any heavy showers or thunderstorms.

Hill Fog

Isolated at 600m in any heavy showers/thunderstorms.

Max wind above 400m

Easterly 10-15mph.

Temperature

Valleys:
Plus 14 Celsius becoming plus 26 Celsius.
800m:
Plus 18 Celsius.
Freezing level:
Above the summits.

Issued at: 1437 on Wed 23 Jul 2014

Sat 26 Jul 2014

Starting fine, dry and sunny. Cloud will gradually build from the north throughout the day and there is a low risk of some showery rain later. Remaining warm or very warm.

Issued at: 1437 on Wed 23 Jul 2014

Sun 27 Jul 2014

Cloudier than previous days with scattered showers, possibly heavy at times. However, there will be dry and bright spells too. Feeling slightly less warm than of late.

Issued at: 1437 on Wed 23 Jul 2014

Mon 28 Jul 2014

A generally dry day with variable amounts of cloud and sunny spells. The odd isolated shower is possible too. Winds remaining light and continuing to feel warm.

Issued at: 1437 on Wed 23 Jul 2014