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Garwnant Visitor Centre

YELLOW Warnings in force for Merthyr Tydfil
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Garwnant Visitor Centre last 24 hours
  • Mon Monday
    12°C 8°C
    Heavy rain
  • Tue Tuesday
    10°C 6°C
    Heavy shower day
  • Wed Wednesday
    11°C 9°C
    Cloudy
  • Thu Thursday
    13°C 12°C
    Light rain
  • Fri Friday
    13°C 6°C
    Heavy rain
Monday
2300
Light shower night
11
Warnings for Merthyr Tydfil
No warnings for Monday
Feels like temperature (°C) arrow down
8
Precipitation probability arrow down
50%
Wind direction, speed & gust (mph) arrow down
SW 20 31
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G
Humidity arrow down
98%
UV index arrow down
0
Sunrise: 07:46 Sunset: 18:10 Moon phase: Waning crescent 2 Daily air quality index*
Tuesday
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Heavy shower night Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy shower night Light shower night Light shower day Light shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Light shower day Light shower day Light shower day Clear night Light shower night Light shower night Light shower night Partly cloudy night Clear night
11 11 11 12 12 12 11 9 8 8 8 9 9 9 9 8 8 8 7 7 7 7 7 7
Warnings for Merthyr Tydfil
Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow Yellow
Feels like temperature (°C) arrow down
8 8 8 8 8 8 7 5 4 3 4 4 4 4 4 4 4 3 3 3 3 3 3 3
Precipitation probability arrow down
65% 85% >95% >95% >95% >95% 70% 45% 40% 45% 60% 60% 65% 65% 65% 45% 45% 35% 10% 40% 35% 30% <5% <5%
Wind direction, speed & gust (mph) arrow down
SW 21 36 SW 21 38 SW 20 37 SW 26 46 WSW 26 46 WSW 25 45 W 24 42 WNW 25 44 WNW 23 41 W 23 41 WNW 23 40 WNW 24 42 WNW 23 41 WNW 23 42 WNW 23 43 WNW 23 41 WNW 22 41 WNW 22 41 WNW 20 39 WNW 19 36 WNW 18 35 WNW 17 34 WNW 17 32 WNW 16 32
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G G P P M M VG VG E VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG
Humidity arrow down
96% 95% 96% 96% 96% 95% 91% 86% 82% 81% 79% 76% 76% 75% 72% 73% 71% 69% 68% 70% 72% 75% 75% 75%
UV index arrow down
0 0 0 0 0 0 0 0 1 1 1 1 2 2 1 1 1 1 0 0 0 0 0 0
Sunrise: 07:48 Sunset: 18:08 Moon phase: Waning crescent 2 Daily air quality index*
Wednesday
0000 0100 0400 0700 1000 1300 1600 1900 2200
Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Sunny intervals Cloudy Cloudy Light shower night Overcast
7 7 7 7 8 10 11 10 10
Warnings for Merthyr Tydfil
No warnings for Wednesday
Feels like temperature (°C) arrow down
3 3 3 3 6 8 8 7 7
Precipitation probability arrow down
<5% <5% <5% <5% <5% 10% 10% 25% 20%
Wind direction, speed & gust (mph) arrow down
WNW 15 30 WNW 15 28 WNW 12 25 W 10 20 W 10 22 W 14 28 W 12 26 WSW 11 23 WSW 11 22
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG G G G G G M
Humidity arrow down
77% 78% 85% 89% 85% 81% 86% 89% 91%
UV index arrow down
0 0 0 0 1 1 1 0 0
Sunrise: 07:50 Sunset: 18:05 Moon phase: Waning crescent 2 Daily air quality index*
Thursday
0100 0400 0700 1000 1300 1600 1900 2200
Light rain Light rain Light rain Overcast Light rain Light rain Light rain Overcast
10 11 11 12 13 13 12 12
Warnings for Merthyr Tydfil
No warnings for Thursday
Feels like temperature (°C) arrow down
7 8 9 10 10 10 10 10
Precipitation probability arrow down
50% 55% 55% 30% 55% 55% 55% 55%
Wind direction, speed & gust (mph) arrow down
WSW 12 24 WSW 12 24 WSW 12 22 SW 12 24 SW 14 26 SW 13 24 SW 12 23 SW 11 20
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M M M M
Humidity arrow down
94% 95% 96% 96% 95% 95% 95% 96%
UV index arrow down
0 0 0 1 1 1 0 0
Sunrise: 07:52 Sunset: 18:03 Moon phase: New 2 Daily air quality index*
Friday
0100 0400 0700 1000 1300 1600 1900 2200
Light rain Overcast Light rain Heavy rain Heavy rain Light rain Light rain Light shower night
12 12 12 12 13 12 11 9
Warnings for Merthyr Tydfil
No warnings for Friday
Feels like temperature (°C) arrow down
10 10 10 10 10 10 8 7
Precipitation probability arrow down
60% 35% 55% 75% 75% 55% 55% 45%
Wind direction, speed & gust (mph) arrow down
SW 11 19 SW 10 17 SW 9 16 SW 10 17 SW 11 18 WSW 11 17 W 10 16 W 10 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M M G G
Humidity arrow down
97% 97% 97% 96% 94% 92% 91% 90%
UV index arrow down
0 0 0 1 1 1 0 0
Sunrise: 07:53 Sunset: 18:01 Moon phase: New 2 Daily air quality index*
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Issued at: 2300 on Mon 20 Oct 2014

* Daily index representing the background and regional air quality for a chosen location. Air pollution levels close to roads in urban areas may be higher. For more information please visit our Daily Air Quality Index page.

Forecast Summary

  • Regional
  • UK 5 days
  • UK 6-30 days

Regional forecast for Wales

Becoming wet and windy tonight. Feeling cold tomorrow.

This Evening and Tonight:

A mainly dry end to the day with just a few showers. Winds will strengthen overnight, with gales developing across the coasts and hills. Outbreaks of locally heavy rain will also move southeastwards after midnight, clearing northwestern parts by dawn. Minimum Temperature 6C.

Tuesday:

Rain quickly clearing, leaving a bright day, with occasional heavy, squally showers. Gales will affect exposed parts, perhaps severe for a time in the north. Feeling noticeably cooler than recently. Maximum Temperature 11C.

Outlook for Wednesday to Friday:

Lighter winds on Wednesday and becoming milder, with some patchy rain. Then rather cloudy on Thursday and Friday with outbreaks of rain at times, perhaps locally heavy on Friday.

Issued at: 1700 on Mon 20 Oct 2014

UK forecast for the next 5 days

Rain overnight clearing to blustery showers. Gales for many. Colder.

This Evening and Tonight:

Dry end to the day for many, but gales developing quite widely overnight as rain in the northwest moves eastwards across the UK. Some of the rain will be heavy. Rain clearing the northwest later where it will turn colder.

Tuesday:

Very windy, with severe gales in some coastal areas. Rain soon clears leaving the UK with sunny intervals and squally showers, perhaps with thunder and hail. Noticeably colder than recently.

Outlook for Wednesday to Friday:

Remaining windy on Wednesday and Thursday, with outbreaks of rain, mainly in the north and west. Friday, showers affecting the northwest, but rain moves across much of the country.

Issued at: 1700 on Mon 20 Oct 2014

Outlook for the UK over the next 6-30 days

UK Outlook for Saturday 25 Oct 2014 to Monday 3 Nov 2014:

Early rain across the southeast on Saturday clearing, then showers developing. These are likely to be most frequent in the northwest, where they will be wintry over the high ground. There will be fewer showers further south with some sunny spells developing. Strong winds, especially in the north, and temperatures near normal. This north south split is likely through the following week. There will be generally drier and brighter conditions in the south with a risk of a local frost and fog overnight. More unsettled conditions are likely in the north with outbreaks of rain and a risk of gales which are likely to be interspersed with colder, more showery spells, these possibly turning wintry over Scottish hills at times. The split in conditions will likely continue into November.

UK Outlook for Tuesday 4 Nov 2014 to Tuesday 18 Nov 2014:

The main signal is for a continuation of a north/south split during the first half of November. During this period, the generally westerly flow is likely to bring spells of wet and windy weather, interspersed with drier intervals. These should mostly affect northern and some western areas, but perhaps reaching other areas as well at times. However southern and some eastern areas will probably see more in the way of the drier and settled conditions. These drier intervals will bring some sunshine at times, but also the risk of frost, mist and fog overnight. Daytime temperatures are likely to be near or a little above normal, although feeling cooler during any wet and windy spells.

Issued at: 1700 on Mon 20 Oct 2014

Weather Map

Mon 0000

View weather map for Garwnant Visitor Centre

Garwnant Visitor Centre Heavy shower night 51.7935 -3.4329
Cardiff Light rain 51.4812 -3.1778
Swansea Light rain 51.621 -3.9424
Hereford Cloudy 52.056 -2.7146
Newtown (Powys) Cloudy 52.5118 -3.3118
Aberystwyth Light rain 52.415 -4.0817
Barnstaple Cloudy 51.0777 -4.0571
Pembroke Light shower night 51.6731 -4.9084
Yeovil Cloudy 50.9416 -2.632
Swindon Cloudy 51.5556 -1.7784
Exeter Cloudy 50.7179 -3.5327
Birmingham Light shower night 52.4859 -1.889
Wrexham Light shower night 53.0428 -2.9911
Banbury Cloudy 52.0625 -1.3383
Stoke-on-Trent Light shower night 53.0024 -2.178
Caernarfon Heavy rain 53.1393 -4.2727
Plymouth Overcast 50.3713 -4.1348
Southampton Cloudy 50.9093 -1.403
Reading Partly cloudy night 51.4523 -0.9724
Milton Keynes Cloudy 52.0382 -0.7555

Location Details

Garwnant Visitor Centre

Location: 51.7935, -3.4329

Altitude: 269m above mean sea level

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