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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.


Nächste Wetterstation - Somerville Abstand
Somerset Airport 0.0 km
Aeroflex Andover 13.1 km
Sussex Airport 17.3 km
Trenton 19.6 km
McGuire Air Force Base 19.6 km
South Jersey Regional Airport 27.6 km
Morristown Municipal Flughafen 28.3 km
Sullivan Flughafen 34.6 km
Atlantic City Flughafen 36.7 km
Naval Air Engineering Station Lakehurst 39.1 km
Northeast Philadelphia Airport 42.1 km
Lakehurst Airport 42.9 km
Essex Flughafen 43.3 km
Miller Air Park 46.7 km
Linden Airport 46.9 km
Doylestown Airport 50.8 km
Orange County Airport 51.8 km
Cape May Airport 54.5 km
Newark Liberty Intl. Airport 55.7 km
Millville Executive Airport 57.8 km
Monmouth Executive Airport 60.9 km
Teterboro Flughafen 67.1 km
Wings Field 68.2 km
Stewart Flughafen 68.2 km
Philadelphia Intl. Airport 68.5 km
New York 76.2 km
Fulton County Airport 79.7 km
Quakertown Airport 79.8 km
Pocono Mountains Municipal Airport 81.1 km
Ocean 83.8 km
Lehigh Valley Intl. Airport 85.3 km
LaGuardia Airport 85.4 km
Allentown Queen City Municipal Airport 91.6 km
Hudson Valley Regional Airport 92.4 km
Delaware Coastal Airport 96.0 km
John F. Kennedy Intl. Airport 98.3 km
Dover Air Force Base 98.9 km
Heritage Field Airport 99.0 km
Schenectady 105.4 km
Westchester 106.6 km
Wilmington Airport 107.4 km
Griffiss Intl. Airport 111.2 km
Albany Flughafen 111.8 km
Salisbury 115.3 km
Wallops Flight Facility Flughafen 119.4 km
Wilkes-Barre/Scranton Intl. Airport 120.4 km
Adirondack Regional Airport 123.5 km
Massena Intl. Airport 127.5 km
Danbury Municipal Airport 133.8 km
Republic Flughafen 139.2 km
Floyd Bennett Memorial Airport 142.8 km
Reading Regional Airport 144.9 km
Ogdensburg Intl. Airport 146.2 km
Hazleton Regional Airport 148.2 km
Accomack 148.9 km
Wheeler-Sack Army Airfield 152.3 km
Greater Binghamton Airport 153.2 km
Cambridge- Dorchester Airport 162.8 km
Pittsfield Municipal Airport 163.4 km
Easton Airport 164.3 km
Brockville 165.6 km
Tangier 168.0 km
Phillips Army Airfield 170.1 km
Sikorsky Memorial Airport 171.5 km
Waterbury 172.4 km
First Flight Airport 172.6 km
William H. Morse State Airport 173.9 km
Long 174.5 km
Syracuse Hancock Flughafen 175.8 km
Watertown Intl. Airport 178.4 km
Lancaster Flughafen 178.7 km
Harriman-and-West Airport 178.7 km
Plattsburgh Intl. Airport 181.2 km
Naval Air Station Oceana 185.7 km
Bay Bridge Airport 190.8 km
Currituck County Regional Airport 191.8 km
Naval Auxiliary Landing Field Fentress 197.3 km
Martin State Airport 198.1 km
Tweed-New Haven Airport 199.1 km
Norfolk Intl. Airport 200.1 km
Brookhaven Airport 200.5 km
Middlebury State AP 203.2 km
Naval Air Station Patuxent River 203.7 km
Ithaca Tompkins Regional Airport 205.0 km
Oswego 205.5 km
Burlington Intl. Airport 206.1 km
Annapolis 207.3 km
Meriden Markham Municipal Airport 207.7 km
Elizabeth City Regional Airport 207.8 km
St. Inigoes 207.9 km
Naval Station Norfolk 207.9 km
Rutland- Southern Vermont Regional Airport 211.2 km
Muir Army Airfield 211.6 km
Langley Air Force Base 213.4 km
Chesapeake Regional Airport 214.3 km
Leonardtown Airport 219.2 km
Franklin County State Airport 219.3 km
Baltimore 220.2 km
Westfield-Barnes Regional Airport 222.2 km
Bradley Intl. Airport 224.5 km

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