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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 - Zahlé Distance
Houche-Al-Oumara 5.8 km
Beirut Airport 46.4 km
Tripoli 56.7 km
Damaskus AP 78.2 km
Rosh Pinna Airport 85.2 km
Har-knaan 90.1 km
Safita 92.3 km
Irbid 116.0 km
Mafraq 137.6 km
Bassel Al-Assad Intl. Airport 141.3 km
Hama 149.0 km
Latakia Airport 154.1 km
Amman Civil Airport 167.0 km
Queen Alia Intl. Airport 191.0 km
Ben Gurion Airport 200.1 km
Jerusalem 202.0 km
Prince Hasan Airport 204.3 km
Beit Dagan 205.2 km
Hatay Airport 231.5 km
Rizokarpaso 232.1 km
Famagusta 247.4 km
İskenderun 249.3 km
Ghor el Safi 257.7 km
Trikomo 260.6 km
Gialousa 260.8 km
Beersheba 264.6 km
Guriat AP 266.5 km
Larnaca 270.0 km
Lefkoniko 273.0 km
Lefkoniko 273.8 km
Kilis 291.4 km
Adana Şakirpaşa Airport 292.8 km
Ercan Intl. Airport 293.1 km
Tymbou 293.1 km
Osmaniye 301.5 km
Athalassa 303.3 km
Mersin 304.3 km
Silifke 319.2 km
Kyrenia 319.3 km
Karavas 328.8 km
Ma An 331.1 km
Akrotiri 331.9 km
Gaziantep 333.1 km
Arish Airport 341.9 km
Morphou 348.1 km
Kahramanmaraş Airport 352.0 km
Akdeniz 353.2 km
Ovda Airport 368.2 km
Turaif Airport 368.4 km
Xerovounos 373.4 km
Lefka 385.3 km
Paphos 388.9 km
Ereğli 392.7 km
Aqaba Airport 393.3 km
Anamur 399.1 km
Niğde 399.2 km
Eilat Airport 402.6 km
Karaman 429.5 km
Nekhel 431.6 km
Şanlıurfa 432.5 km
Adıyaman 448.6 km
Gazipaşa Airport 457.5 km
Gap Meydan 461.3 km
Şanlıurfa GAP Airport 461.7 km
Port Said 471.0 km
Alanya 501.4 km
Ismailia 503.9 km
Ras Sedr 527.4 km
Konya 532.6 km
Cairo Intl AP 606.9 km