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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.


Stazioni meteo nelle vicinanze - Marion Distanza
Marion Aeroporto 1.5 km
Anderson Municipal Airport 6.4 km
Three Rivers Muni Dr Haines 14.9 km
Goshen Municipal Airport 15.6 km
Shelbyville Municipal Airport 16.6 km
Bowman Field 18.9 km
Kalamazoo/Battle Creek Intl. Airport 19.8 km
Warsaw Municipal Airport 20.4 km
Aeroporto Internazionale di Louisville-Standiford 20.6 km
Huntington Aeroporto 23.5 km
Indianapolis Mount Comfort 26.2 km
Gerald R. Ford Intl. Airport 26.5 km
Madison Aeroporto 26.9 km
Columbus Municipal Airport 27.8 km
Sturgis Aeroporto 28.4 km
Delaware 29.8 km
Roben- Hood Airport 33.3 km
Cherry Capital Airport 37.3 km
Elkhart Municipal Airport 38.4 km
Godman Army Airfield 39.4 km
Glasgow Municipal Airport 42.5 km
Wexford 43.1 km
Fremont Municipal Airport 43.7 km
Kokomo Municipal Airport 44.5 km
W. K. Kellogg Airport 50.0 km
West Michigan Regional Airport 51.5 km
Fort Wayne Intl. Airport 52.1 km
Lebanon-Springfield Airport 53.6 km
Grissom Air Reserve Base 53.8 km
Fulton County Airport 57.5 km
Indianapolis Executive Airport 65.2 km
Aeroporto conteale di Antrim 65.5 km
Tri-State Steuben County Airport 65.6 km
Aeroporto Internazionale di Indianapolis 67.0 km
South Haven Aeroporto 67.2 km
Auburn Aeroporto 67.4 km
Frankfort Dow Memorial Field 67.8 km
Muskegon 68.2 km
Branch County Memorial Airport 69.6 km
Eagle Creek Airpark Airport 70.7 km
Ionia Aeroporto 71.0 km
Manistee 71.4 km
South Bend Intl. Airport 73.0 km
Logansport Aeroporto 78.7 km
Brooks Field 81.4 km
Mason 85.9 km
Southwest Michigan Regional Airport 86.3 km
Capital City Airport 87.9 km
Bowling Green 89.4 km
Wayne County Airport 96.2 km
Fitch H. Beach Airport 97.0 km
Frankfort Municipal Airport 99.7 km
Cincinnati West Airport 100.0 km
Smyrna Airport 100.8 km
Stuart Powell Field 103.4 km
Aeroporto Internazionale di Nashville 105.1 km
Monroe County Airport 106.2 km
Mount Pleasant Municipal Airport 107.9 km
Knox Aeroporto 111.3 km
Grayling Aeroporto 111.4 km
Covington Aeroporto 111.5 km
Gratiot Community Airport 112.6 km
Roscommon 115.3 km
La Porte Municipal Airport 119.0 km
Aeroporto Internazionale della Capital Region 120.7 km
Blue Grass Airport 120.9 km
Hillsdale Municipal Airport 121.3 km
Lake Cumberland Regional Airport 123.0 km
Darke County Airport 126.3 km
Butler 128.5 km
Michigan City Municipal Airport 128.8 km
Jackson 134.7 km
Defiance Memorial Airport 139.4 km
Cincinnati Municipal Lunken Airport 139.6 km
Crawfordsville Regional Airport 139.6 km
Aeroporto di Mason-Jewett Aeroporto 139.9 km
Purdue University Airport 141.0 km
Springfield Robertson County Airport 142.2 km
Huntingburg Aeroporto 143.4 km
Porter 149.4 km
Jack Barstow Municipal Airport 159.4 km
Dayton- Wright Brothers Airport 159.8 km
Clermont County Airport 162.7 km
Daviess County Airport 163.3 km
Oak Ridge 165.3 km
Owensboro 168.0 km
Jasper County Airport 168.8 km
Fulton County Airport 171.7 km
Owosso Community Airport 171.8 km
Aeroporto Internazionale di Dayton-James M. Cox 172.6 km
Lenawee County Airport 177.2 km
MBS Intl. Airport 178.8 km
London-Corbin Airport 179.4 km
Wright-Patterson Air Force Base 180.1 km
Terre Haute Regional Airport 182.0 km
Lima Allen 183.7 km
Livingston County Spencer J. Hardy Airport 188.5 km
Madisonville Municipal Airport 193.8 km
Gary Aeroporto 194.5 km
Clarksville Aeroporto 196.2 km