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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 - Roxas Distanza
Roxas 0.9 km
Romblon 80.5 km
Masbate Aeroporto 107.6 km
Legazpi 144.7 km
Dumaguete 149.5 km
Daet 156.2 km
Mactan 156.6 km
Alabat Airport 169.9 km
Tagbilaran 172.3 km
Dipolog 193.0 km
Tayabas 194.8 km
Cuyo 195.9 km
San Jose 196.3 km
Calapan 205.1 km
Virac 205.8 km
Virac 205.8 km
Catarman 217.5 km
Infanta 224.2 km
Tanay 234.0 km
Catbalogan 237.8 km
Ambulong 239.6 km
Maasin 248.7 km
Tacloban 251.3 km
Lumbia Airfield 258.1 km
Ninoy Aquino Int. AP 260.1 km
Manila Science Garden 263.4 km
Manila 264.1 km
Sangley Point NAS 267.2 km
Baler Radar 276.5 km
Coron 284.9 km
Punta Maria Borongan 298.7 km
Cotabato Airport 316.2 km
Clarkfield Pampanga Int 320.7 km
Surigao 325.7 km
Olongapo Aeroporto 333.7 km
Guiuan 334.8 km
Malaybalay 336.0 km
Aeroporto di Butuan 345.2 km
Iba 378.1 km
Aeroporto Internazionale di Davao-Francisco Bangoy 426.8 km
Hinatuan 447.5 km
Puerto Princesa 459.1 km

Situazione attuale