Coldest on Thursday night: Katesbridge (NI) 0.1°C min / Mildest: Swanage 11.4°C min / Coldest on Friday: Altnahinch Filters (NI) 5.7°C max / Mildest: Writtle (Essex) 12.7°C max / Wettest: Camborne 16 mm

[Colin Youngs]

Friday 12th December 2025


Meteosat MSG satellite picture from Ferdinand Valk’s site at 12.00 UTC  https://www.fvalk.com/images/Day_image/MSG-1200-EUR.jpg      

Meteosat MSG satellite picture from Bernard Burton’s site at 12.00 UTC  http://www.woksat.info/etcahl12m/ahl12-msg-1200-uk.html    

MetopC satellite picture from Bernard Burton’s site at 10.10 UTC    http://www.woksat.info/etcahl12/ahl12-1010-b-uk.html                                                                                                                                                                                                                                                                                                                                                                              

Latest satpic animation from sat24.com   https://www.sat24.com/en-gb  


Figures from both SYNOPs and climatological sites this evening.

UK min. temps on Thursday night  (at 06.00)  http://www.ogimet.com/cgi-bin/gsynop?lang=en&zona=uk&base=bluem&proy=orto&ano=2025&mes=12&day=12&hora=18&vtn=Tn&Send=send

Aviemore and Braemar 2.4°C,  Castlederg and Tyndrum 2.2°C,  Glenanne and Dalwhinnie 2.0°C,  Lough Fea 1.8°C,  Thomastown (NI) 1.6°C,  Drumnadrochit 1.5°C,  Derrylin (NI) and Loch Glascarnoch 0.8°C,  Katesbridge (NI) 0.1°C.

Cardiff Bute Park 10.3°C,  Usk (Monmouthshire), Thorney Island, Wiggonholt (West Sussex) and Guernsey Airport 10.4°C,   Gosport and Shoreham 10.7°C,  Yeovilton 10.8°C,  Bournemouth Hurn and St Catherine’s Point 10.9°C,  Portland 11.1°C,  Swanage 11.4°C.

UK max. temps on Friday  https://www.weatheronline.co.uk/weather/maps/observation?LANG=en&CONT=ukuk&LAND=UK&REGION=0003&SORT=3&UD=1&INT=24&TYP=tmax&ART=kartealle&RUBRIK=akt&DATE=--&CEL=C&SI=mph

Altnahinch Filters (NI) 5.7°C,  Braemar, Balmoral and Dalwhinnie 6.0°C,  Inverness Lentran 6.3°C,  Killylane (NI) 6.4°C,  Aviemore, Spadeadam and Copley 6.5°C,  Glenanne 6.6°C,  Drumalbin 6.7°C,  Lough Fea and Eskdalemuir 6.8°C.

St Mary’s Scilly, Northolt and East Malling 12.4°C,  Cavendish (Suffolk), Thorney Island, Shoeburyness, Heathrow, Chertsey, Wiggonholt (West Sussex) and Shoreham 12.5°C,  Slough Cippenham Water Works 12.6°C,  Writtle (Essex) 12.7°C.

OGIMET summary  http://www.ogimet.com/cgi-bin/gsynres?lang=en&state=United+K&osum=no&fmt=html&ord=REV&ano=2025&mes=12&day=12&hora=18&ndays=1&Send=send                                                                                              

UK rainfall totals in 24 hours ending 18.00 UTC on Friday https://www.weatheronline.co.uk/weather/maps/observation?LANG=en&CONT=ukuk&LAND=UK&REGION=0003&SORT=3&UD=1&INT=24&TYP=niederschlag&ART=kartealle&RUBRIK=akt&DATE=--&CEL=C&SI=mph

Prestwick, Capel Curig, Rostherne (Cheshire) and Chivenor 7 mm,  Auchincruive (Ayrshire), Aberdaron, Trawsgoed and Sennybridge 8 mm,  Pembrey Sands 9 mm,  Mona (Anglesey) and Valley 10 mm,  Swyddffynnon (Ceredigion), Libanus (Powys) and Haverfordwest Scolton Country Park 11 mm,  Aberporth 12 mm,  Whitechurch (Pembrokeshire), Culdrose and Bude 13 mm,  Milford Haven and Cardinham 14 mm,  Camborne 16 mm.  
Rainfall radar  https://www.netweather.tv/live-weather/radar    

Sferics  https://www.blitzortung.org/en/historical_maps.php?map=10   Review  24h Loop

Location of stations   https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-synoptic-and-climate-stations

Colin Youngs
Brussels