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Brecon Beacons

Weather hazards over 300m on Thu 30 Oct 2014

High risk

Persistent extensive hill fog
Fairly persistent above around 200-300 metres, especially in the west.

Medium risk

Gales
Southwesterly gusts to 50 mph are possible in the afternoon.

Low risk

No low risks
none

No risk

Blizzards
none
Heavy snow
none
Storm force winds
none
Severe chill effect
none
Thunderstorms
none
Heavy persistent rain
none
Strong sunlight
none

Thu 30 Oct 2014

It will stay rather cloudy overnight and through much of the day, with patchy rain or drizzle and hill fog, especially across western parts of the park. Winds will increase a little in the afternoon. A few brighter spells are possible over eastern hills later in the day.

Time
0600 to 0900 0900 to 1200 1200 to 1500 1500 to 1800 1800 to 2100 2100 to 2400
Weather
Drizzle Drizzle Drizzle Cloudy Cloudy Cloudy
Precipitation probability
60% 60% 60% 30% 20% 30%

Visibility

Moderate or poor, but very poor in hill fog.

Hill Fog

Fairly persistent above around 200-300 metres, especially in the west. Perhaps lifting to around 700 metres and breaking a little in the afternoon.

Max wind above 400m

Southwesterly 50 mph, especially in the afternoon.

Temperature

Valleys:
Plus 13 rising to 15 Celsius.
800m:
Plus 12 Celsius.
Freezing level:
Above the summits.

Recent Rainfall

Location:
Neuadd Rain (near Pontsticill)
Altitude:
353 m
Rainfall measured at:
0300 on Thu 30 Oct 2014
Last 24 hours:
3.2 mm
Last 48 hours:
4.2 mm
Last 72 hours:
4.4 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 Thu 30 Oct 2014

Fri 31 Oct 2014

Low cloud, mist and fog will start to clear during the early hours, leaving a mostly dry day with some sunshine at times. It will be very mild for the time of year. However, cloud will increase form the west by the evening followed later by outbreaks of rain overnight. It will stay windy throughout.

Visibility

Poor or very poor at first, improving to good or very good for much of the day. Becoming poor again as rain spreads in from the west.

Hill Fog

Persistent above around 300 metres during the early hours, becoming largely clear from mid-morning. Periods of hill fog are likely in the evening.

Max wind above 400m

Southwesterly 60 mph.

Temperature

Valleys:
Plus 14 rising to 17 Celsius.
800m:
Plus 12 Celsius.
Freezing level:
Above the summits.

Issued at: 0332 on Thu 30 Oct 2014

Sat 01 Nov 2014

Outbreaks of rain should clear to the east by around midday leaving a brighter afternoon. It will stay breezy though with a brisk southwesterly wind. Cloud will increase later with another band of rain approaching from the west.

Issued at: 0332 on Thu 30 Oct 2014

Sun 02 Nov 2014

Overnight rain will turn increasingly showery through the day with a few brighter spells developing in-between. Winds will ease slightly and temperatures are likely to return to nearer normal with a slightly cooler feel later in the day.

Issued at: 0332 on Thu 30 Oct 2014

Mon 03 Nov 2014

A fairly cloudy and wet day with brisk southwesterly winds and persistent rain at times. Visibility will likely be poor and it will feel colder than recent days.

Issued at: 0332 on Thu 30 Oct 2014