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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 - Tigard Distancia
Aurora State aeropuerto 10.2 km
Pearson Field 17.7 km
Portland Aeropuerto 21.6 km
Hillsboro aeropuerto 21.6 km
Scappoose Industrial Airpark aeropuerto 23.1 km
McNary Field aeropuerto 39.9 km
Portland- Troutdale aeropuerto 41.6 km
McMinnville Municipal aeropuerto 42.9 km
Southwest Washington Regional aeropuerto 44.8 km
Chehalis Aeropuerto 79.9 km
Corvallis Municipal aeropuerto 80.0 km
Eugene aeropuerto 93.4 km
Olympia Regional aeropuerto 94.7 km
Gray Army Airfield 102.2 km
McChord Field 108.7 km
Tacoma Narrows aeropuerto 113.0 km
Puyallup Aeropuerto 114.2 km
Tillamook aeropuerto 116.6 km
Sanderson Field aeropuerto 118.0 km
Bremerton Ntnl aeropuerto 125.5 km
Astoria Regional aeropuerto 132.1 km
Seattle-Tacoma aeropuerto 132.3 km
Seattle-Boeing Field Aeropuerto aeropuerto 136.9 km
Municipal de Renton aeropuerto 138.8 km
Roseburg Regional aeropuerto 147.6 km
Newport Municipal aeropuerto 151.7 km
Paine Field aeropuerto 158.5 km
Bowerman aeropuerto 161.4 km
Naval Air Station Whidbey 176.8 km
Arlington Aeropuerto 177.3 km
Columbia Gorge Regional aeropuerto 178.6 km
Coast Guard Air Station Port Angeles 180.6 km
William R. Fairchild aeropuerto 183.4 km
Medford Aeropuerto 184.3 km
Skagit Regional aeropuerto 187.1 km
Friday Harbor Aeropuerto 189.4 km
Roberts Field 190.9 km
Bend Municipal aeropuerto 191.0 km
Victoria Gonzales 192.2 km
Victoria Uni. Campbell Scientific 193.4 km
Stampede 193.9 km
Orcas Island aeropuerto 199.3 km
Bellingham aeropuerto 204.8 km
Southwest Oregon Regional aeropuerto 205.8 km
Isla Saturna 206.0 km
Saturna/capmon Cs 207.2 km
Victoria aeropuerto 210.1 km
Malahat 210.1 km
White Rock Campbell Scientific 216.9 km
Prineville Aeropuerto 217.7 km
Siskiyou 220.6 km
Abbotsford Aeropuerto 221.2 km
Sheringham 222.1 km
Burns Bog 226.1 km
Crater Lake 226.5 km
Pitt Meadows Campbell Scientific 227.8 km
Sands Head 231.2 km
Vancouver Aeropuerto 232.4 km
North Cowichan 233.4 km
Vancouver Hrbour 238.1 km
West Vancouver 242.7 km
Monte Shasta 250.6 km
Quillayute aeropuerto 252.6 km
Agassiz 253.5 km
Nanaimo aeropuerto 254.1 km
Yakima Aeropuerto 257.5 km
Entrance Isl. 259.0 km
Bowers aeropuerto 265.9 km
Brookings Aeropuerto 266.4 km
Squamish aeropuerto 268.2 km
Hope Aerodrome 272.7 km
Hope 273.6 km
Crescent City 276.5 km
Ballenas Island 286.3 km
Qualicum aeropuerto 301.7 km
Pangborn Memorial aeropuerto 308.1 km
Sisters Island 311.7 km
Sunnyside Muni 315.7 km
Lake County aeropuerto 324.4 km
Powell River 332.5 km
Alturas Aeropuerto 337.8 km
Port Alberni 341.9 km
Princeton 345.7 km
Comox 356.9 km
Ephrata Municipal aeropuerto 377.6 km
Hermiston Municipal aeropuerto 390.3 km
Campbell River aeropuerto 396.3 km
Grant County aeropuerto 397.4 km
Omak aeropuerto 399.1 km
Tofino 405.3 km
Tri-Cities aeropuerto 409.2 km
Summerland 421.3 km
Penticton Aeropuerto 422.6 km
Osoyoos 425.2 km
Grant County Regional aeropuerto 427.4 km
Eastern Oregon Regional aeropuerto 436.3 km
Burns Municipal aeropuerto 437.5 km
Kelowna aeropuerto 458.2 km
Meacham 484.3 km
Estevan Point lighthouse 490.2 km