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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 - Zhengyang Distance
Xinyang 40.0 km
Zhumadian 41.0 km
Xihua 56.8 km
Wuhan 94.5 km
Macheng 95.6 km
Zhengzhou 122.9 km
Gushi 148.1 km
Fuyang 154.4 km
Anyang 160.7 km
Xiushui 167.2 km
Bozhou 168.6 km
Dingtao 177.7 km
Zaoyang 188.5 km
Nanyang 197.5 km
Yueyang 202.0 km
Zhongxiang 208.6 km
Chaocheng 211.2 km
Huoshan 228.3 km
Lushan 231.6 km
Mengjin 234.7 km
Yangcheng 251.2 km
Changsha Airport 255.7 km
Nanchang 257.8 km
Jingzhou 261.2 km
Laohekou 298.9 km
Yanzhou 312.3 km
Anqing 316.9 km
Xuzhou 321.9 km
Hefei 323.0 km
Changde 334.9 km
Bengbu 336.2 km
Yichang 349.4 km
Tai'an 352.8 km
Jingdezhen 355.5 km
Jinan 356.7 km
Lushi 374.3 km
Yuncheng 385.2 km
Fang Xian 399.7 km
Fei Xian 421.0 km
Huangshan 440.2 km
Wuhu 449.7 km
Yiyuan 457.8 km
Yuanling 473.3 km
Huayin 481.4 km
Sangzhi 484.9 km
Nanjing Airport 496.1 km
Nanjing 496.3 km
Quzhou 534.5 km

Current weather