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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 - Montguyon Απόσταση
Cognac - Châteaubernard Air Base 52.2 km
Bordeaux/Merignac 70.1 km
Angoulκme/Brie-Champniers 72.7 km
Bergerac/Roumanier 89.7 km
Νιόρ 124.8 km
Cazaux 130.3 km
Cap Ferret 135.3 km
Agen/La Garenne 145.0 km
Biscarrosse 147.2 km
Μον-ντε-Μαρσάν 149.7 km
Λα Ροσέλ Αεροδρόμιο 155.2 km
Poitiers/Biard 161.4 km
Phare de Chassiron 165.0 km
Limoges/Bellegarde 167.9 km
Γκουρντόν 183.7 km
Μπριβ-λα-Γκαγιάρντ 184.7 km
Brive- Souillac Airport 186.8 km
Aérodrome d'Auch 191.7 km
Νταξ 196.5 km
Pau Pyrénées Airport 206.1 km
La Roche-sur-Yon 212.4 km
Μοντωμπάν 218.6 km
Tarbes/Ossun 227.3 km
Biarritz/Anglet 246.0 km
Toulouse/Blagnac 246.6 km
Muret - Lherm Aerodrome 254.0 km
Ανζέ 256.4 km
Γκερέ Αεροδρόμιο 260.4 km
Angers 261.3 km
Ciboure 262.9 km
Nantes Atlantique Airport 267.4 km
Tours/St Symphorien 267.9 km
San Sebastian / Fuenterrabia 273.0 km
Σατωρού 282.4 km
Σαιν-Ζιρόν 284.5 km
Saint-Sauveur 290.7 km
Ωριγιάκ 291.8 km
Aérodrome d'Albi 293.9 km
San Sebastian / Igueldo 296.6 km
Arties 304.0 km
Le Mans/Arnage 305.4 km
Rodez- Aveyron Airport 310.0 km
Ilundain 310.4 km
Romorantin-Lanthenay 313.3 km
Aérodrome de Blois 315.1 km
Παμπλόνα 316.9 km
Λαβάλ Αεροδρόμιο 319.5 km
Σαιν-Ναζαίρ 320.9 km
Castres-Mazamet Airport 331.5 km
Elgoibar 333.9 km
Ουέσκα 349.2 km
Μπουρζ 350.7 km
Καρκασσόν 355.5 km
Alencon/Valframbert 359.5 km
Rennes- Saint-Jacques Airport 361.3 km
Châteaudun 362.0 km
Bardenas Reales 364.2 km
Σέου δ' Ουρζέλ Αεροδρόμιο 365.9 km
Bilbao/Sondica 370.7 km
Αβόρ 375.6 km
Punta Galea Golf 376.6 km
Μιγιό 376.7 km
Ορλεάνη 376.8 km
Clermont/Aulnat 378.2 km
Βιτόρια-Γκαστέις 383.3 km
Λογρόνιο 390.0 km
Onton 392.7 km
Σαραγόσα 405.9 km
Σαρτρ 407.4 km
Λιέιδα 408.7 km
Le Talut 409.4 km
Bujaraloz 411.2 km
Μαντ 412.1 km
Vichy/Charmeil 412.5 km
Aéroport de Nevers-Fourchambault 417.0 km
Dinard/Pleurtuit 429.4 km
Mont Aigoual 436.4 km
Perpignan/Rivesalte 437.8 km
Le Puy 440.0 km
Καέν 442.6 km
Leucate 443.2 km
Σανταντέρ 446.4 km
Béziers Cap d'Agde Airport 446.5 km
Béziers Cap d'Agde Airport 446.6 km
Evreux/Fauville 450.8 km
Santander / Parayas 452.2 km
Lorient South Brittany Airport 452.5 km
Γκρουά 457.8 km
Σόρια 460.4 km
Deauville-Saint-Gatien AP 463.4 km
Deauville-Saint-Gatien 463.6 km
Τραπ 464.9 km
Toussus-le-Noble 468.8 km
Saint-Brieuc Armor 473.6 km
Sète 475.5 km
Villacoublay/Velizy 475.9 km
Port-Vendres/Cap Bear 476.0 km
Daroca 476.6 km
Ρέους 477.0 km
Sainte-Adresse 477.6 km