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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 - Mattawa Abstand
Sunnyside Muni 23.9 km
Pangborn Memorial Airport 50.0 km
Ephrata Municipal Airport 52.9 km
Grant County Intl. Airport 69.8 km
Yakima Flughafen 71.1 km
Bowers Airport 72.5 km
Hermiston Municipal Airport 86.1 km
Tri-Cities Airport 90.9 km
Omak Airport 101.5 km
Eastern Oregon Regional Airport 130.2 km
Osoyoos 136.9 km
Columbia Gorge Regional Airport 154.4 km
Penticton Flughafen 154.6 km
Summerland 159.1 km
Stampede 162.6 km
Grant County Regional Airport 164.7 km
Princeton 167.0 km
Prineville Flughafen 177.4 km
Meacham 177.8 km
Walla Walla Flughafen 183.2 km
Kelowna Intl. Airport 187.1 km
Redmond Flughafen 199.0 km
Burns Municipal Airport 202.1 km
Vernon 207.0 km
Bend Municipal Airport 207.9 km
Merritt 213.7 km
La Grande/Union County Airport 225.5 km
Salmon Arm 228.5 km
Kamloops Flughafen 230.2 km
Kamloops 230.3 km
Hope 232.2 km
Hope Aerodrome 233.4 km
Agassiz 252.5 km
Baker City Flughafen 253.4 km
Fairchild Air Force Base 255.1 km
Lake County Airport 261.3 km
Renton Municipal Airport 261.6 km
Arlington Flughafen 264.5 km
Puyallup Flughafen 266.6 km
Spokane Flughafen 268.3 km
Seattle-Tacoma Intl. Airport 270.3 km
King Flughafen 271.1 km
Warfield 272.4 km
Ashcroft 272.6 km
Lytton 272.9 km
Lytton 272.9 km
Snohomish 273.6 km
Deer Park Flughafen 284.2 km
Portland- Troutdale Airport 286.5 km
Castlegar Flughafen 287.3 km
McChord Field 288.6 km
Felts Field Airport 292.0 km
Skagit Regional Airport 297.9 km
Revelstoke Airport 298.0 km
Gray Army Airfield 299.4 km
Nakusp 299.6 km
Tacoma Narrows Airport 300.3 km
Abbotsford Flughafen 304.8 km
Portland Flughafen 307.6 km
Pullman/Moscow Flughafen 309.8 km
Pearson Field 312.8 km
Bellingham Intl. Airport 316.4 km
Rome State Airport 317.7 km
Lillooet 319.8 km
Bremerton Ntnl Arpt 320.3 km
Lewiston Flughafen 321.5 km
Naval Air Station Whidbey 321.8 km
Nelson 324.3 km
Crater Lake 330.3 km
Aurora State Airport 330.8 km
Scappoose Industrial Airpark Airport 333.1 km
Olympia Regional Airport 334.2 km
Southwest Washington Regional Airport 335.9 km
Pitt Meadows Campbell Scientific 341.0 km
Chehalis Flughafen 343.2 km
White Rock Campbell Scientific 345.4 km
Hillsboro Airport 346.6 km
Coeur d'Alene Airport 347.5 km
Ontario Municipal Airport 351.8 km
Orcas Island Airport 354.0 km
McNary Field Airport 360.4 km
Friday Harbor Flughafen 362.1 km
Sanderson Field Airport 363.0 km
Saturna Island 370.3 km
McMinnville Municipal Airport 370.8 km
Burns Bog 372.5 km
Pemberton Flughafen 376.8 km
Saturna/capmon Cs 378.5 km
Sandpoint Flughafen 380.8 km
Vancouver Hrbour 388.3 km
Vancouver Flughafen 390.6 km
Victoria Uni. Campbell Scientific 391.5 km
Whistler Flughafen 392.6 km
Blackcombe Mtn Base 392.9 km
Victoria Gonzales 393.6 km
West Vancouver 395.9 km
Creston Campbell Scientific 398.1 km
Caldwell Flughafen 398.1 km
Corvallis Municipal Airport 398.5 km
Eugene Airport 399.4 km

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