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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 - Gravenhurst Distancia
Beatrice Climate 6.1 km
District 7.1 km
Lagoon de ville 18.5 km
Barrie-Oro 22.2 km
Toronto 25.9 km
Toronto Islands aeropuerto 26.6 km
Uxbridge 28.3 km
North Bay 30.3 km
Vineland Station RCS 35.7 km
Port Weller 38.3 km
Toronto/Pearson aeropuerto 39.0 km
Welland Pelham 40.3 km
St. Catharines/Niagara District aeropuerto 42.0 km
Port Colborne 44.2 km
Barrage Temiscamingue 47.6 km
Egbert CS 48.4 km
Chautauqua 50.7 km
Oshawa 56.5 km
Chautauqua 58.2 km
Burlington Piers (AUT) 58.2 km
Niagara Falls aeropuerto 60.0 km
CFB Borden 60.8 km
Hamilton Rbg CS 68.2 km
Hamilton Aeropuerto 72.1 km
Parry Sound 74.7 km
Armstrong 77.8 km
Rouyn-Noranda 78.5 km
Búfalo-Niágara aeropuerto 82.0 km
Venango Regional aeropuerto 89.8 km
Rouyn aeropuerto 91.1 km
Indiana 93.9 km
DuBois Aeropuerto 94.0 km
Collingwood 95.0 km
Arnold Palmer Regional aeropuerto 95.1 km
Kirkland Lake 95.5 km
Guelph 98.4 km
Pittsburgh-Butler Regional aeropuerto 105.0 km
Bradford Aeropuerto 105.1 km
Erie aeropuerto 106.7 km
Somerset County aeropuerto 109.1 km
Allegheny 111.0 km
Peterborough 112.7 km
Port Meadville aeropuerto 113.3 km
Johnstown 113.5 km
Waterloo Well aeropuerto 116.7 km
Peterborough Trent 119.4 km
Elora 119.5 km
Parque provincial Algonquin 123.2 km
Cattaraugus County-Olean aeropuerto 124.8 km
Pittsburgh aeropuerto 129.4 km
Cobourg 135.2 km
Clearfield- Lawrence aeropuerto 136.1 km
Delhi 137.6 km
Washington 138.7 km
New Castle Municipal aeropuerto 139.1 km
Beaver Falls Aeropuerto 140.7 km
Altoona 153.4 km
Mount Forest 155.0 km
Northeast Ohio Regional aeropuerto 158.6 km
Youngstown 160.9 km
Youngstown 160.9 km
Greater Sudbury 162.5 km
Sudbury aeropuerto 162.8 km
Wellsville Municipal aeropuerto 165.8 km
Bancroft 167.0 km
Wheeling Ohio 169.5 km
Val-d'Or 189.4 km
University Park aeropuerto 190.9 km
Dansville Municipal aeropuerto 192.6 km
Wiarton aeropuerto 193.0 km
Greater Rochester aeropuerto 193.4 km
London CS 201.6 km
London Aeropuerto 201.8 km
Trenton Aeropuerto 204.9 km
Portage County Regional aeropuerto 220.5 km
Petawawa Heliport 229.4 km
Wellsboro Aeropuerto 230.6 km
Timmins aeropuerto 232.7 km
Willoughby 233.0 km
Timmins 235.1 km
Pembroke 236.3 km
Killarney 236.4 km
Akron- Canton aeropuerto 241.6 km
Harry Clever Field aeropuerto 242.6 km
Cuyahoga County aeropuerto 243.6 km
Akron Executive aeropuerto 244.5 km
Point Petre 248.0 km
Tobermory 252.4 km
Goderich 262.4 km
Penn Yan Aeropuerto 262.7 km
Cove Island 263.9 km
Cleveland Burke Lakefront aeropuerto 265.2 km
Elmira Corning Regional aeropuerto 281.6 km
Ridgetown 283.6 km
Williamsport Regional aeropuerto 285.2 km
Cleveland-Hopkins aeropuerto 285.3 km
Chatham-Kent 286.0 km
Wayne County aeropuerto 289.8 km
Penn Valley aeropuerto 293.8 km
Capital City aeropuerto 299.4 km