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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 - Ciechanowiec Distance
Siedlce 51.1 km
Białystok 86.5 km
Ostrołęka 112.4 km
Terespol 138.7 km
Brest 143.3 km
Lublin Airport 148.6 km
Lotnisko Lublin-Radawiec 149.7 km
Mikołajki 153.9 km
Kozienice 155.1 km
Suwałki 158.7 km
Włodawa 162.2 km
Warsaw - Okecie 178.3 km
Kętrzyn 191.9 km
Radom Airport 194.8 km
Grodno 197.2 km
Warsaw Modlin Airport 200.0 km
Marijampolė 213.2 km
Zamość 216.7 km
Sandomierz 220.8 km
Mława 243.5 km
Olsztyn 258.4 km
Rzeszów 269.1 km
Kaunas 271.1 km
Volodymyr 275.6 km
Kielce 277.1 km
Raseiniai 288.6 km
Kaunas Airport 293.7 km
Przemyśl 296.0 km
Šilutė 301.0 km
Kaliningrad 303.6 km
Laukuva 305.1 km
Płock 308.1 km
Krosno 318.8 km
Tarnów 320.6 km
Sulejów 323.4 km
Lesko 329.7 km
Lviv 333.2 km
Lida 338.5 km
Telšiai 343.3 km
Šiauliai Airport 345.5 km
Šiauliai 348.4 km
Vilnius Airport 352.0 km
Klaipėda 354.9 km
Łódź 358.8 km
Ukmergė 365.3 km
Tisinec 368.2 km
Nowy Sącz 373.6 km
Palanga 375.0 km
Elbląg 375.3 km
Panevėžys 378.3 km
Mažeikiai 380.0 km
Kamenica nad Cirochou 388.6 km
Baranavichy 392.3 km
Prešov 398.1 km
Kraków Airport -Balice 402.9 km
Pinsk 406.5 km
Saldus 413.1 km
Dobele 415.5 km
Uzhhorod 416.0 km
Milhostov 421.2 km
Częstochowa 425.6 km
Bauska 426.5 km
Liepāja 427.7 km
Koło 430.2 km
Ivano-Frankivsk 433.0 km
Jelgava 433.1 km
Żuławki 433.2 km
Kojsovska Hola 435.6 km
Košice 437.2 km
Toruń 437.8 km
Biržai 439.9 km
Lomnický štít 440.2 km
Záhony 440.9 km
Švábovce 448.1 km
Poprad 449.4 km
Utena 449.6 km
Zakopane 449.9 km
Kasprowy Wierch 453.2 km
Štrbské Pleso 456.0 km
Ivano-Frankivsk Airport 456.2 km
Rivne 456.3 km
Hel 457.4 km
Pāvilosta 459.9 km
Katowice-Pyrzowice 461.6 km
Wieluń 463.2 km
Liesek 464.5 km
Telgárt 472.3 km
Riga Airport 472.3 km
Ternopil 475.0 km
Sarny 479.2 km
Švenčionys 479.3 km
Gdańsk Lech Wałęsa Airport 482.9 km
Jósvafő 485.4 km
Łyntupy 487.7 km
Bielsko-Biała 490.7 km
Skrīveri 499.5 km
Kalisz 500.2 km
Chopok 500.6 km
Bydgoszcz 506.8 km
Miskolc 512.7 km