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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.


Nearby Weather Stations - Piekary Śląskie Απόσταση
Katowice-Pyrzowice 18.3 km
Τσενστοχόβα 47.9 km
Μπιέλσκο-Μπιάουα 61.7 km
Ρατσίμπους 90.6 km
Βιέλουν 97.7 km
Κρακοβία Αεροδρόμιο -Balice 100.0 km
Lysá hora 104.0 km
Οπόλε 112.2 km
Οστράβα 118.6 km
Zilina Hricov 126.8 km
Ζίλινα Αεροδρόμιο 127.0 km
Liesek 134.4 km
Σουλέγιουφ 143.9 km
Λοτζ 149.5 km
Ζακοπάνε 160.4 km
Chopok 163.9 km
Kasprowy Wierch 166.7 km
Cervena 168.9 km
Prievidza 174.8 km
Κάλις 176.5 km
Štrbské Pleso 183.2 km
Sliač 183.7 km
Lomnický štít 187.8 km
Žiar nad Hronom 189.9 km
Holešov 190.9 km
Κόουο 194.1 km
Πόπραντ 200.0 km
Κιέλτσε 200.0 km
Šerák 206.0 km
Švábovce 207.8 km
Nowy Sącz 209.2 km
Telgárt 211.5 km
Kunovice Airport 220.8 km
Piešťany 224.2 km
Prostějov 224.8 km
Mochovce 228.3 km
Τάρνουφ 229.5 km
Λούτσενετς Αεροδρόμιο 231.8 km
Dudince 233.6 km
Luká 235.3 km
Νίτρα Αεροδρόμιο 240.7 km
Αεροδρόμιο Βρότσουαφ 242.1 km
Jaslovské Bohunice 246.4 km
Szécsény 246.4 km
Πουότσκ 247.0 km
Kłodzko 259.8 km
Jósvafő 265.9 km
Ράντομ Αεροδρόμιο 273.0 km
Hurbanovo 278.4 km
Tát 280.3 km
Kojsovska Hola 281.5 km
Brno 282.5 km
Ústí nad Orlicí 283.3 km
Τόρουν 284.0 km
Kékes 289.6 km
Αεροδρόμιο Βαρσοβίας-Μόντλιν 291.1 km
Warsaw - Okecie 291.9 km
Polom 292.5 km
Malacky Airport 292.9 km
Tata 296.8 km
Πρέσοβ 298.9 km
Maly Javornik 301.9 km
Μπρατισλάβα 302.2 km
Eger 305.3 km
Μπίντγκοστς 308.7 km
Κόσιτσε 309.6 km
Σαντόμιες 309.8 km
Λέσνο 309.8 km
Μίσκολτς 310.7 km
Bratislava-Koliba 311.0 km
Budapest Ferenc Liszt International Airport 311.5 km
Kozienice 314.7 km
Poysdorf 315.1 km
Γκιούρ 315.1 km
Αεροδρόμιο Πόζναν-Γουαβίτσα 317.9 km
Λεγκνίτσα 318.2 km
Krosno 320.1 km
Zwerndorf-Marchegg 320.2 km
Mosonmagyaróvár 323.6 km
Mistelbach 323.7 km
Tisinec 324.3 km
Mława 324.6 km
Svratouch 331.8 km
Agárd 339.3 km
Náměšť nad Oslavou 340.8 km
Dukovany 341.9 km
Poroszló 342.2 km
Leiser Berge 346.2 km
Αεροδρόμιο Ζέσουφ-Γιασιόνκα 346.4 km
Andau 349.2 km
Groß-Enzersdorf 352.7 km
Γελένια Γκούρα 356.2 km
Kuchařovice 356.5 km
Milhostov 357.9 km
Διεθνές Αεροδρόμιο της Βιέννης 357.9 km
Σνιέζκα 359.3 km
Donaustadt - Vienna 359.8 km
Σνιέζκα 360.1 km
Παρντούμπιτσε 360.2 km
Přibyslav 364.4 km