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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.

Nearby Weather Stations - Launceston Distance
Cardinham 38.2 km
Plymouth MtBatten 40.0 km
North Wyke 52.2 km
RM Chivenor 54.7 km
Cornwall Airport Newquay 74.9 km
Liscombe 97.3 km
Exeter Airport 105.7 km
Mumbles 111.4 km
Camborne 117.1 km
RNAS Culdrose 117.9 km
Pembrey Burrows 120.3 km
Dunkeswell Airport 126.1 km
St Athan 133.2 km
Cardiff Airport 140.5 km
Milford Haven 141.7 km
Aberporth 168.2 km
Sennybridge 178.9 km
Trawscoed 195.1 km
Yeovil 195.4 km
Bristol / Lulsgate 199.7 km
Isle of Portland 211.9 km
Brignogan-Plages 216.5 km
Ploumanac'h 222.8 km
Lannion Airport 231.1 km
Scilly St Mary 231.1 km
Morlaix/Ploujean 233.4 km
Landivisiau 234.5 km
Credenhill 236.1 km
Guernsey Airport 236.1 km
Aberdaron 242.4 km
Guipavas 242.4 km
Shobdon 242.9 km
Ushant 250.9 km
Lake Vyrnwy 254.8 km
Alderney Channel Is 260.1 km
Lanvéoc/Poulmic 261.2 km
Bala 266.6 km
Capel Curig 277.8 km
MoD Lyneham 279.7 km
Bournemouth 280.6 km
Gloucestershire Airport 281.0 km
Jersey Airport 286.5 km
Saint-Brieuc Armor 286.9 km
Cap de la Hague 287.7 km
Larkhill 290.8 km
Valley 291.1 km
Raf Mona 291.6 km
Pointe du Raz 291.7 km
MoD Boscombe Down 295.4 km
Quimper 295.8 km
Johnstown Castle 302.0 km
Shawbury 305.1 km
Rhyl 306.3 km
Fairford Airport 307.9 km
Pershore 308.1 km
Penmarch 314.5 km
Middle Wallop 315.1 km
Cosford 318.6 km
Cosford 318.6 km
Cosford 319.9 km
Hawarden 319.9 km
RAF Little Rissington 325.7 km
Southampton Airport 329.7 km
RAF Brize Norton 333.0 km
Lorient South Brittany Airport 337.3 km
Cherbourg - Maupertus Airport 338.7 km
St. Catherine's Point 339.6 km
Dinard/Pleurtuit 341.3 km
Liverpool AP 343.3 km
Groix 344.6 km
Crosby 349.0 km
Waterford Airport 349.9 km
Birmingham Airport 354.4 km
Coleshill 361.1 km
London Oxford Airport 362.9 km
Rostherne 373.9 km
Oak Park 375.3 km
Dublin Airport 375.6 km
Dublin Csmt Aero 375.7 km
Blackpool Airport 378.2 km
Benson 378.2 km
Manchester 379.6 km
Thorney Island 382.1 km
Warton Aerodrome Airport 382.3 km
Thorncliffe 382.6 km
Isle of Man Airport 384.2 km
RAF Odiham 385.0 km
Church Lawford 386.9 km
Le Talut 391.6 km
Farnborough 405.4 km
Walney 405.8 km
Rennes- Saint-Jacques Airport 407.5 km
High Wycombe 412.1 km
Stonyhurst 412.8 km
East Midlands Airport 415.8 km
Nottingham/Watnall 434.2 km
St Bees Head 439.1 km
Coal Aston Airfield 440.2 km
Saint-Nazaire 442.1 km
Heathrow Airport 444.2 km