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What are the sources for WeatherOnline forecasts?


The WeatherOnline forecasts are created by using a MOS system developed in-house with the most current US weather services model data (GFS). The statistical methods of the Model-Output-Statistic (MOS)-System were developed in cooperation with the Meteorological Department of the University of Bonn.

What is a MOS-System?


A Model-Output-Statistic (MOS)-System combines the data of the weather forecast model and the locally recorded data for any given point by transforming the model data from a coarse grid to detailed small scale areas.
In order to do so, one needs a large volume of past model forecast data as well as the corresponding recorded data for any given location. The MOS-System relates these two sets of data in an optimized fashion allowing development of the local weather forecast by using the most current model forecast.

What are the time intervals used in the temperature and icons of the local forecasts?


The forecasted maximum temperature always refers to a 12hour window from 6am to 6om local time.
The forecasted minimum temperature always refers to the 12hour window from 6pm of the day before the forecast day to 6 am of the forecast day.
The weather icon for the morning refers to the time between 6am and 12pm local time, the icon for the afternoon is valid from 12am to 6pm local time and the evening icon refers to the time from 6pm to 12am local time.

How often are the current weather conditions and forecasts updated?


The current weather information as well as the satellite images are updated every 30 minutes whereas the radar images are being updated every 15 minutes.
The local weather forecasts as well as the weather charts are updated 8 times a day. The updates start at 2 am CEST or 3 am CEST depending on daylight saving time and continue on a three hourly bases.


Stations météo à proximité - Carmarthen Distance
Pembrey Burrows 16.6 km
Aberporth 43.2 km
Mumbles 47.2 km
Trawscoed 67.4 km
Sennybridge 79.8 km
Milford Haven 85.1 km
Royal Marines Base Chivenor 86.7 km
St Athan 108.2 km
Aberdaron 114.3 km
Liscombe 115.4 km
Cardiff Aéroport 117.8 km
North Wyke 128.3 km
Lake Vyrnwy 136.4 km
Bala 142.0 km
Capel Curig 144.7 km
Cardinham 155.1 km
Raf Mona 156.7 km
Vallée 157.5 km
Exeter Aéroport 158.7 km
Dunkeswell (Aéroport) 161.3 km
Shobdon 163.9 km
Plymouth MtBatten 167.2 km
Credenhill 169.0 km
Newquay Cornouailles (Aéroport) 174.5 km
Rhyl 179.6 km
Bristol (Aéroport) 183.5 km
Hawarden 207.1 km
Yeovil 208.2 km
Shawbury 210.2 km
Camborne 213.6 km
Royal Naval Air Station Culdrose 223.0 km
Crosby 229.0 km
Liverpool AP 230.7 km
Gloucestershire Aéroport 238.2 km
Cosford 238.7 km
Cosford 238.7 km
Cosford 240.8 km
Johnstown Castle 250.1 km
Aéroport du Ronaldsway 250.6 km
Île de Portland 253.7 km
Pershore 254.5 km
Blackpool Aéroport 255.7 km
RAF Lyneham 259.7 km
Warton Aerodrome (Aéroport) 263.1 km
Rostherne 271.6 km
Walney 277.6 km
Dublin Aéroport 279.1 km
Manchester 279.6 km
Fairford Aéroport 280.0 km
Dublin Csmt aérien 286.7 km
Larkhill 287.5 km
RAF Little Rissington 290.2 km
Birmingham Aéroport 293.4 km
MoD Boscombe Down 293.9 km
Thorncliffe 294.6 km
Bournemouth 299.1 km
Coleshill 299.7 km
Stonyhurst 300.4 km
RAF Brize Norton 303.2 km
St Bees Head 305.9 km
St Mary de Scilly 309.0 km
Oak Park 309.9 km
Waterford Aéroport 312.5 km
Middle Wallop 314.1 km
Guernesey Aéroport 328.5 km
Dundrennan 329.5 km
Aéroport d'Oxford Kidlington 331.7 km
Keswick 332.4 km
Alderney Channel Is 333.0 km
Église Lawford 335.3 km
Southampton Aéroport 339.7 km
RAF West Freugh 341.3 km
Shap 345.1 km
Ploumanac'h 347.6 km
Bingley 347.7 km
Midlands de l'Est Aéroport 348.4 km
Brignogan-Plages 351.5 km
Belfast/port 352.2 km
Émetteur d'Emley Moor 352.5 km
Hague 354.4 km
Lannion Aéroport 356.6 km
Benson 357.3 km
Coal Aston Airfield 358.0 km
Glenanne 360.2 km
St. Catherine's Point 362.4 km
Nottingham/Watnall 362.9 km
Morlaix/Ploujean 364.9 km
Warcop Range 367.5 km
Landivisiau 368.9 km
Leeds-Bradford (Aéroport) 370.5 km
Carlisle 373.6 km
Jersey Aéroport 374.6 km
Great Dun Fell 376.2 km
Guipavas 377.6 km
Belfast (Aéroport) 378.4 km
RAF Odiham 379.6 km
Ouessant 382.7 km
Mullingar 388.7 km
High Wycombe 390.1 km
Thorney Island 393.2 km