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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.


Poblíž povětrnostní stanice - Kolín Vzdálenost
Čáslav 22.3 km
Chýstovice 49.5 km
Pardubice 59.4 km
Žižkov 75.0 km
Přibyslav 78.4 km
Liberec 83.1 km
Libuš 83.8 km
Sněžka 93.4 km
Kostelní Myslová 95.8 km
Svratouch 97.6 km
Sněžka 97.8 km
Letiště Václava Havla Praha 105.5 km
Bertsdorf-Hörnitz 107.4 km
Jelení Hora 115.2 km
Litschau 116.1 km
Doksany 124.0 km
Görlitz 126.2 km
Polom 129.9 km
Temelín 130.0 km
Náměšť nad Oslavou 136.8 km
Ústí nad Orlicí 137.3 km
České Budějovice 140.4 km
Sohland an der Spree 141.3 km
Dukovany 143.4 km
Allentsteig 144.4 km
Weitra 145.4 km
Ústí nad Labem 147.7 km
Lichtenhain/Mittelndorf 148.4 km
Zwettl 150.4 km
Milešovka 152.6 km
Kuchařovice 156.7 km
Retz 157.9 km
Kocelovice 163.3 km
Kladsko 163.9 km
Lehnice 168.7 km
Langenlois 175.4 km
Bad Muskau 176.1 km
Bärnkopf 176.1 km
Kremže 177.9 km
Zinnwald-Georgenfeld 178.7 km
Jauerling 181.3 km
Dresden-Hosterwitz 185.1 km
Hoyerswerda 186.8 km
Letiště Brno-Tuřany 191.0 km
Reinberg 191.8 km
Luká 199.1 km
Drážďany/Klotzsche 200.6 km
Leiser Berge 203.5 km
Churáňov/Šumava 203.9 km
Plzeň - Mikulka 204.5 km
Rohrbach 205.5 km
Stockerau 205.9 km
Amstetten 208.7 km
Tulln 208.8 km
Linec 211.1 km
Tušimice 212.0 km
Šerák 213.2 km
Chotěbuz 213.4 km
Poysdorf 215.4 km
Líně Letiště 217.5 km
Lilienfeld 217.7 km
Grainet 219.2 km
Mistelbach an der Zaya 220.4 km
Letiště Vratislav 220.7 km
Klettwitz 221.4 km
Coschen 221.7 km
Linec Letiště 222.1 km
Prostějov 223.7 km
Mariabrunn 226.1 km
Vídeň / Hohe Warte 229.0 km
Garsebach 230.7 km
Lunz am See 232.8 km
Donaustadt - Vídeň 233.0 km
Vídeň 234.0 km
Schleißheim 235.9 km
Zelená Hora 237.3 km
Marienberg 238.6 km
Nossen 239.0 km
Mariazell Letiště 239.5 km
Mariahilfberg 242.1 km
Kremsmünster 242.8 km
Vídeň-Unterlaa 243.0 km
Zwiesel 243.0 km
Gumpoldskirchen 243.6 km
Lešno 244.7 km
Groß-Enzersdorf 246.5 km
Saldenburg - Entschenreuth 247.0 km
Bad Vöslau (Letiště) 249.5 km
Velký Javor 249.8 km
Puchberg am Schneeberg 251.4 km
Doberlug-Kirchhain 252.1 km
Hohe Wand / Hochkogelhaus 253.0 km
Lübben - Blumenfelde 253.2 km
Fichtelberg 254.0 km
Letiště Vídeň 254.0 km
Rax / Seilbahn-Bergstation 254.9 km
Karlovy Vary 255.2 km
Zwerndorf-Marchegg 255.4 km
Schärding 258.2 km
Reichenau an der Rax 258.4 km