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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.


Stazioni meteo nelle vicinanze - Guiuan Distanza
Guiuan 0.9 km
Punta Maria Borongan 52.1 km
Tacloban 82.8 km
Surigao 84.1 km
Catbalogan 106.2 km
Maasin 115.7 km
Aeroporto di Butuan 137.9 km
Catarman 154.3 km
Hinatuan 186.9 km
Malaybalay 199.5 km
Mactan 202.1 km
Tagbilaran 228.6 km
Lumbia Airfield 231.5 km
Virac 233.1 km
Virac 233.1 km
Masbate Aeroporto 250.3 km
Aeroporto Internazionale di Davao-Francisco Bangoy 254.5 km
Legazpi 259.4 km
Dumaguete 291.6 km
Cotabato Airport 299.4 km
Dipolog 306.5 km
Roxas 333.8 km
Daet 362.7 km
Romblon 397.8 km
Alabat Airport 454.9 km
Tayabas 497.6 km
Infanta 509.0 km
Cuyo 523.3 km
Calapan 527.1 km
San Jose 529.4 km
Tanay 532.3 km
Baler Radar 541.1 km
Ambulong 553.7 km
Ninoy Aquino Int. AP 568.2 km
Manila Science Garden 569.3 km

Situazione attuale