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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 - Bạch Long Vĩ Distance
Móng Cái 54.8 km
Nanning/Wuxu AP 99.8 km
Nanning 102.3 km
Dongfang 106.4 km
Qinzhou 118.4 km
Lạng SƠn 119.7 km
Phu Lien 122.6 km
Huế 125.7 km
Longzhou 130.4 km
Da Nang Intl. Airport 150.6 km
Đồng Hới 151.7 km
Hechi 160.4 km
Beihai 161.1 km
Nam Định 174.7 km
Baise 175.3 km
Cao Bằng 182.8 km
Sanya Phoenix Intl. Airport 199.6 km
Shan Xian 208.9 km
Hà Tĩnh 210.2 km
Sanya 211.4 km
Thái Nguyên 214.9 km
Noi Bai Intl. Airport 215.2 km
Thanh Hóa 215.6 km
Hà Đông district 218.7 km
Bắc Kạn 219.4 km
Napo 221.5 km
Vinh Airport 231.1 km
Liuzhou 239.5 km
Guiping 288.5 km
Haikou 293.2 km
Zhanjiang 301.3 km
Haikou Airport 305.3 km
Qionghai 307.9 km
Guangnan 319.7 km
Seno 321.2 km
Nakhon Phanom 337.1 km
Nakhon Phanom 337.2 km
Mengshan 345.0 km
Thakhek 351.8 km
Mukdahan 352.1 km
Nakhon Phanom Airport 352.5 km
Savannakhet 358.9 km
Xinyi 367.2 km
Viengsay 387.9 km
Xam Neua 406.4 km
Sakon Nakhon 409.0 km
Sakon Nakhon Airport 410.3 km
Wuzhou 417.7 km
Sakon Nakhon Agromet 418.3 km
Lào Cai 423.5 km
SƠn La 426.4 km
Sa Pa 439.2 km
Sanhu Dao 454.4 km
Pakxan 455.8 km
Luxi 459.0 km
Roi Et 465.3 km
Roi Et 473.1 km
Kamalasai 473.8 km
Yangjiang 477.6 km
Mengzi 491.9 km
Plaine Des Jarres Xiengkhouang 510.6 km
Kosumphisai 530.0 km

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