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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 - SƠn La Distance
SƠn La 0.0 km
Sa Pa 28.7 km
Xam Neua 30.9 km
Lào Cai 32.1 km
Viengsay 44.6 km
Mengzi 78.8 km
Pakxan 83.4 km
Luxi 86.4 km
Plaine Des Jarres Xiengkhouang 98.2 km
Zhanyi 113.6 km
Sakon Nakhon Airport 114.1 km
Sakon Nakhon Agromet 114.6 km
Sakon Nakhon 115.7 km
Nakhon Phanom Airport 136.3 km
Thakhek 136.8 km
Nakhon Phanom 145.7 km
Nakhon Phanom 146.0 km
Guangnan 150.5 km
Kunming Airport 158.8 km
Nong Khai Airport 158.8 km
Udon Thani 159.0 km
Kunming 165.0 km
Vientiane Airport 171.6 km
Phonhong 182.0 km
Xingren 183.1 km
Nongbualamphu 193.8 km
Luang Prabang 200.0 km
Hà Đông district 208.1 km
Noi Bai Intl. Airport 211.7 km
Oudomxay province 212.1 km
Vinh Airport 212.4 km
Thanh Hóa 214.4 km
Thái Nguyên 215.4 km
Bắc Kạn 216.5 km
Yuanjiang 220.7 km
Bounneua 224.6 km
Jiangcheng 234.1 km
Napo 235.0 km
Hà Tĩnh 238.4 km
Sainyabuli 246.7 km
Yuanmou 251.2 km
Nam Định 251.8 km
Mengla 257.9 km
Loei 259.4 km
Loei 260.2 km
Cao Bằng 264.4 km
Luang Namtha 271.0 km
Chuxiong 278.4 km
Phu Lien 304.7 km
Baise 309.7 km
Longzhou 318.7 km
Lạng SƠn 319.5 km
Đồng Hới 320.9 km
Simao 326.5 km
Thung Chang 339.0 km
Luodian 341.0 km
Jinghong 347.3 km
Tha Wang Pha 349.0 km
Nan 354.0 km
Nan Agromet 356.4 km
Houayxay 386.3 km
Lincang 414.4 km
Phrae 421.9 km
Dali 425.7 km
Bạch Long Vĩ 426.4 km
Dushan 428.1 km
Uttaradit 431.5 km
Lancang 442.5 km
Phayao 448.1 km
Chiang Rai Intl. Airport 448.3 km
Chiang Rai Airport 448.5 km
Móng Cái 452.7 km
Si Samrong Agromet 459.3 km
Chiang Rai Agromet 459.9 km
Sukhothai Thani Airport 463.7 km
Sukhothai Thani 466.2 km
Kengtung 476.8 km
Lampang 492.6 km
Gengma 503.3 km
Lampang Agromet 516.2 km
Thoen district 524.5 km
Baoshan 527.9 km
Doi Ang Khang 541.3 km
Lamphun 545.0 km
Bhumibol Dam 550.7 km

Current weather