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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.


Ближайшие Погодные Станции - Хемел-Хемпстед Расстояние
Northolt 5.5 km
Хитроу 9.9 km
Rothamsted Park 29.3 km
Лутон (аэропорт) 36.0 km
Сент-Джеймсский парк 38.0 km
Хай-Уиком 39.3 km
Фарнборо 45.9 km
Kenley 51.0 km
Woburn 52.2 km
Charlwood 53.9 km
Гатвик 56.1 km
Лондон-Сити (аэропорт) 58.0 km
Cranfield Аэропорт 58.7 km
Biggin Hill 61.5 km
RAF Odiham 64.5 km
Benson 70.6 km
Бедфорд 72.4 km
Шорхэм (аэропорт) 84.1 km
Станстед 85.5 km
Thorney Island 97.9 km
Oxford Аэропорт 99.6 km
Кембридж 101.0 km
Andrewsfield Aerodrome 108.5 km
Херстмонсо 115.1 km
Wittering 116.3 km
RAF Brize Norton 125.6 km
Саутгемптон аэропорт 127.7 km
Саутенд (аэропорт) 129.4 km
Church Lawford 130.5 km
Middle Wallop 130.9 km
Mildenhall Royal Air Force 138.2 km
RAF Little Rissington 140.4 km
Мыс Святой Екатерины 143.5 km
Shoeburyness 144.0 km
Фэрфорд аэропорт 147.9 km
Lakenheath 148.9 km
MoD Boscombe Down 149.6 km
Larkhill 153.9 km
Barkston 156.2 km
Holbeach Air Weapons Range 160.3 km
Cranwell 163.1 km
Marham 166.7 km
Coleshill 169.6 km
RAF Lyneham 170.0 km
Wattisham Аэропорт 170.2 km
Восточный Мидленд аэропорт 170.3 km
Лидд (аэропорт) 170.6 km
Бирмингем аэропорт 171.9 km
Coningsby 172.1 km
Борнмут 175.3 km
Waddington 178.2 km
Nottingham/Watnall 182.4 km
Pershore 186.1 km
Wainfleet All Saints 188.2 km
Глостершир аэропорт 192.0 km
Scampton 193.2 km
Manston 203.7 km
Langdon Bay 207.9 km
Донкастер аэропорт 220.7 km
Coal Aston Airfield 221.2 km
Donna Nook 223.3 km
Humberside 224.9 km
Norwich Weather Centre 230.6 km
Weybourne 234.5 km
Le Havre/Octeville 234.5 km
Cosford 234.5 km
Cosford 237.0 km
Cosford 237.0 km
Сент-Адрес 237.6 km
Cherbourg - Maupertus Аэропорт 240.8 km
Thorncliffe 242.1 km
Булонь-сюр-Мер 248.1 km
Yeovil 249.3 km
Портленд 249.8 km
Bristol / Lulsgate 251.6 km
Дьеп 251.9 km
Deauville-Saint-Gatien 254.8 km
Deauville-Saint-Gatien AP 255.1 km
Leconfield 256.9 km
Ле-Туке-Пари-Плаж 259.7 km
Cap de la Hague 262.8 km
Emley Moor transmitting station 263.9 km
Кан 265.3 km
Credenhill 266.0 km
Shobdon 279.5 km
Shawbury 280.7 km
Alderney Channel Is 282.2 km
Манчестер 283.3 km
Бридлингтон 284.0 km
Лидс-Брадфорд (аэропорт) 287.9 km
Linton-On-Ouse 289.4 km
Rostherne 292.0 km
Бингли 294.4 km
Абвиль 301.7 km
Rouen/Boos 304.6 km
Topcliffe 310.4 km
Fylingdales 312.5 km
Дюнкерк 317.0 km
Dunkeswell Аэропорт 318.6 km
Кардифф аэропорт 320.8 km