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Norteamérica



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.


Estaciones meteorológicas cercanas - Chapel Hill Distancia
Raleigh Executive Jetport 6.9 km
Person County aeropuerto 13.2 km
Base de la Fuerza Aérea Pope 13.2 km
Simmons Army Airfield 18.7 km
Fayetteville Regional aeropuerto 25.0 km
Brookneal 29.4 km
Raleigh-Durham aeropuerto 29.8 km
William M Tuck 30.3 km
Danville Regional aeropuerto 35.7 km
Harnett Regional Jetport aeropuerto 36.3 km
Moore County aeropuerto 39.5 km
Laurinburg- Maxton aeropuerto 40.8 km
Conway Aeropuerto 41.6 km
Marion Aeropuerto 45.8 km
Myrtle Beach aeropuerto 46.1 km
Burlington- Alamance Regional aeropuerto 46.8 km
Columbus County Municipal aeropuerto 49.2 km
Eagle's Nest aeropuerto 50.5 km
Siler City Muni 50.6 km
Camp Mackall 52.3 km
Grand Strand aeropuerto 55.5 km
Shenandoah Valley Regional aeropuerto 55.8 km
Bridgewater Aeropuerto 56.1 km
Clarksville 57.4 km
Curtis L. Brown Jr. Field 58.1 km
Henderson- Oxford aeropuerto 59.4 km
Georgetown Aeropuerto 59.4 km
Chase City Aeropuerto 64.9 km
Petersburg/Grant C. aeropuerto 68.4 km
New Market Aeropuerto 72.8 km
Johnston Aeropuerto 73.6 km
Farmville 76.8 km
Clinton Aeropuerto 78.2 km
Triangle North Executive aeropuerto 80.3 km
Richmond County aeropuerto 81.0 km
Florence Aeropuerto 82.7 km
Charlottesville- Albemarle aeropuerto 84.1 km
McHenry aeropuerto 86.0 km
Luray Caverns aeropuerto 87.7 km
Greater Cumberland Regional aeropuerto 88.5 km
Greater Cumberland Regional aeropuerto 88.5 km
Asheboro Aeropuerto 92.8 km
Darlington 96.6 km
Hot Springs 98.0 km
Kingstree Aeropuerto 99.0 km
Lunenburg Aeropuerto 99.8 km
Piedmont Triad aeropuerto 100.4 km
Mount Pleasant Regional aeropuerto 100.4 km
Roanoke Aeropuerto 106.8 km
Blue Ridge aeropuerto 108.6 km
Elkins/Randolph Field aeropuerto 109.4 km
Crewe Aeropuerto 110.4 km
Gordonsville Muni 111.5 km
Front Royal-warren County 112.3 km
Mecklenburg-Bruns. aeropuerto 113.2 km
Anson County aeropuerto 115.3 km
Southport Aeropuerto 115.9 km
Wayne Executive Jetport 120.8 km
Seymour Johnson Air Force Base 121.0 km
Berkeley County aeropuerto 121.5 km
Duplin 121.8 km
Hartsville Regional aeropuerto 122.1 km
Stanly County aeropuerto 122.7 km
Charleston Aeropuerto 123.1 km
Charleston aeropuerto 123.8 km
Orange Aeropuerto 124.5 km
Morgantown Aeropuerto 124.6 km
Winchester Regional aeropuerto 124.8 km
Ft. Pickett / Blackstone 125.0 km
Rocky Mount- Wilson Regional aeropuerto 128.0 km
Smith Reynolds aeropuerto 130.1 km
Louisa 130.5 km
Wilmington aeropuerto 132.3 km
Santee Cooper Regional aeropuerto 136.1 km
Davidson County aeropuerto 139.6 km
Lawrenceville/brunswick Muni 141.6 km
Eastern WV Regional aeropuerto 143.4 km
Culpeper Regional aeropuerto 144.6 km
Summerville Aeropuerto 147.1 km
North Central West Virginia aeropuerto 149.5 km
Sumter Aeropuerto 150.2 km
Buckhannon Aeropuerto 150.5 km
Lake Anna AP 153.3 km
Virginia Tech Montgomery Executive aeropuerto 154.8 km
Greenbrier Valley aeropuerto 155.9 km
Kinston Regional Jetport 159.9 km
Albert J. Ellis aeropuerto 160.9 km
Warrenton Aeropuerto 161.9 km
Base de la Fuerza Aérea Shaw Aeropuerto 162.1 km
Mid-Carolina Regional aeropuerto 163.3 km
Mount Airy/Surry 167.5 km
Hagerstown Regional aeropuerto 170.9 km
Woodward Field 171.1 km
Petersburg 173.7 km
Chesterfield County aeropuerto 174.0 km
Charlotte- Monroe Executive aeropuerto 175.0 km
Emporia Aeropuerto 175.7 km
Marine Corps Air Station New River 180.8 km
Leesburg Executive aeropuerto 181.2 km
Regional de Manassas aeropuerto 183.2 km