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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 - Langara Island Απόσταση
Hydaburg Seaplane Base 74.0 km
Klawock Airport 101.1 km
Masset Airport 104.3 km
Sandspit Airport 156.5 km
Sandspit 156.6 km
Ketchikan Airport 170.3 km
Annette Island Airport 174.3 km
Metlakatla Seaplane Base 176.7 km
Wrangell Airport 184.9 km
Wrangell Airport 184.9 km
Cumshewa 185.3 km
Petersburg Airport 194.0 km
Kake Airport 228.7 km
Grey Islet 263.1 km
Lucy Islands 271.8 km
Bonilla Island 274.7 km
Cape St James CS 284.6 km
Πρινς Ρούπερτ 290.0 km
Πρινς Ρούπερτ Αεροδρόμιο 291.3 km
Angoon Seaplane Base 303.4 km
Sitka Rocky Gutierrez Airport 336.9 km
Juneau International Airport 360.2 km
Stewart Airport 365.0 km
Hoonah Airport 401.9 km
Gustavus Airport 440.9 km
Dease Lake Airport 455.7 km
Dease Lake 457.9 km

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