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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 - Siemiatycze Απόσταση
Siedlce 69.0 km
Μπιαουίστοκ 78.4 km
Terespol 92.6 km
Μπρεστ 97.7 km
Włodawa 116.8 km
Διεθνές Αεροδρόμιο Λούμπλιν 121.8 km
Lotnisko Lublin-Radawiec 133.4 km
Ostrołęka 158.5 km
Kozienice 169.2 km
Σουβάουκι 176.4 km
Γκρόντνο 180.1 km
Ζάμοστς 180.5 km
Μικοουάικι 199.3 km
Ράντομ Αεροδρόμιο 210.8 km
Warsaw - Okecie 211.2 km
Σαντόμιες 217.2 km
Μαριγιάμπολε 223.4 km
Βολοντίμιρ 229.7 km
Κέντσιν 237.1 km
Αεροδρόμιο Βαρσοβίας-Μόντλιν 237.5 km
Αεροδρόμιο Ζέσουφ-Γιασιόνκα 254.4 km
Przemyśl 268.7 km
Κάουνας 274.8 km
Mława 287.1 km
Κιέλτσε 290.9 km
Λβιβ 292.5 km
Kaunas Airport 294.2 km
Όλστιν 304.8 km
Raseiniai 306.8 km
Krosno 307.0 km
Lesko 308.2 km
Lida 314.0 km
Τάρνουφ 322.3 km
Laukuva 336.1 km
Βίλνιους Αεροδρόμιο 337.0 km
Šilutė 340.6 km
Πουότσκ 347.4 km
Καλίνινγκραντ 349.5 km
Σουλέγιουφ 350.0 km
Tisinec 355.7 km
Μπαράναβιτσι 357.8 km
Ουκμεργκέ 359.6 km
Σιαουλιάι Αεροδρόμιο 361.1 km
Pinsk 364.9 km
Σιαουλιάι 365.0 km
Kamenica nad Cirochou 370.7 km
Telšiai 373.4 km
Nowy Sącz 375.5 km
Πανεβεζίς 380.4 km
Πρέσοβ 388.9 km
Λοτζ 390.8 km
Ιβάνο-Φρανκίβσκ 391.9 km
Ούζχοροντ 394.3 km
Κλάιπεντα 395.8 km
Milhostov 405.7 km
Μαζέικιαϊ 409.0 km
Ρίβνε 410.0 km
Ιβάνο-Φρανκίβσκ Αεροδρόμιο 413.8 km
Palanga 415.0 km
Κρακοβία Αεροδρόμιο -Balice 416.9 km
Záhony 420.0 km
Έλμπλονγκ 421.5 km
Κόσιτσε 427.5 km
Τερνόπιλ 428.9 km
Kojsovska Hola 428.9 km
Dobele 433.6 km
Μπάουσκα 434.3 km
Sarny 434.7 km
Ουτενά 438.1 km
Saldus 440.0 km
Μπίρζαϊ 440.4 km
Lomnický štít 443.7 km
Γιέλγκαβα 446.7 km
Švábovce 449.6 km
Τσενστοχόβα 450.3 km
Πόπραντ 451.7 km
Ζακοπάνε 456.3 km
Kasprowy Wierch 458.9 km
Štrbské Pleso 460.1 km
Švenčionys 461.0 km
Λιέπαγια 466.9 km
Κόουο 466.9 km
Łyntupy 468.0 km
Liesek 473.6 km
Telgárt 473.8 km
Żuławki 479.3 km
Τόρουν 479.5 km
Jósvafő 481.7 km
Katowice-Pyrzowice 481.7 km
Ρίγα Αεροδρόμιο 483.5 km
Βιέλουν 492.9 km
Pāvilosta 497.1 km
Dūkštas 497.4 km
Skrīveri 499.0 km
Χελ 503.8 km
Μίσκολτς 505.4 km
Μπιέλσκο-Μπιάουα 507.6 km
Chopok 507.7 km
Αεροδρόμιο Γκντανσκ 528.7 km
Τσερνιβτσί 532.8 km