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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.


Estaciones meteorológicas cercanas - Maasin Distancia
Maasin 0.0 km
Tacloban 73.5 km
Surigao 77.2 km
Mactán 97.0 km
Bancasi aeropuerto 104.4 km
Catbalogan 105.1 km
Tagbilaran 114.5 km
Guiuan 116.6 km
Punta Maria Borongan 117.9 km
Lumbia aeropuerto 123.6 km
Malaybalay 129.5 km
Catarmán 151.9 km
Dumaguete 178.1 km
Dipólog 190.8 km
Masbate Aeropuerto 194.7 km
Awang aeropuerto 199.7 km
Hinatúan 202.4 km
Francisco Bangoy aeropuerto 214.0 km
Legazpi 224.4 km
Virac 227.7 km
Roxas 248.8 km
Rajah Buayan Air Station aeropuerto 261.2 km
Dáet 322.6 km
Romblón 323.0 km
Zamboanga 366.3 km
Zamboanga 366.3 km
Isla de Alábat Aeropuerto 396.1 km
Cuyo 425.2 km
Tayabas 432.8 km
San José 443.7 km
Calapán 452.4 km
Infanta 452.5 km
Tanay 470.5 km
Ambulong 484.1 km
Ninoy Aquino aeropuerto 502.2 km
Manila Science Garden 504.4 km
Manila 505.8 km
Sangley Point NAS 510.4 km
Coron 527.7 km
Olóngapo Aeropuerto 579.8 km

Estado actual