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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 - Romblón Distancia
Romblón 0.0 km
Roxas 79.9 km
Isla de Alábat Aeropuerto 93.1 km
Tayabas 114.3 km
Dáet 122.5 km
Calapán 130.1 km
San José 138.0 km
Infanta 144.9 km
Masbate Aeropuerto 150.9 km
Tanay 153.6 km
Ambulong 161.3 km
Legazpi 166.6 km
Cuyo 170.6 km
Ninoy Aquino aeropuerto 180.6 km
Manila Science Garden 183.5 km
Manila 184.5 km
Sangley Point NAS 188.2 km
Baler Radar 199.4 km
Casiguran 220.0 km
Dumaguete 227.0 km
Virac 227.3 km
Virac 227.3 km
Coron 232.5 km
Mactán 234.7 km
Clarkfield Pampanga Int 241.4 km
Tagbilaran 252.7 km
Olóngapo Aeropuerto 256.8 km
Catarmán 263.8 km
Dipólog 268.8 km
Baguió 289.7 km
Dagupan 294.1 km
Catbalogan 295.4 km
Iba 300.7 km
Tacloban 315.2 km
Maasin 323.0 km
Lumbia aeropuerto 338.5 km
Punta Maria Borongan 357.2 km
Guiuan 398.6 km
Surigao 399.2 km
Malaybalay 416.0 km
Bancasi aeropuerto 422.4 km
Puerto Princesa 424.6 km
Hinatúan 524.1 km

Estado actual