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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 - Piedras Negras Distancia
Piedras Negras 0.0 km
Maverick County Memorial IAP 3.9 km
Base de la Fuerza Aérea Laughlin 31.0 km
Sonora Aeropuerto 40.7 km
Del Rio aeropuerto 44.9 km
Rocksprings Aeropuerto 47.2 km
San Angelo Regional aeropuerto 54.3 km
Monterrey 65.1 km
Del Norte Intl 65.7 km
Monterrey/Gen Maria aeropuerto 65.9 km
Avenger Field 76.8 km
Carrizo Hill Aeropuerto 79.1 km
Ozona Aeropuerto 85.9 km
Saltillo Aeropuerto 87.8 km
Garner Field 88.5 km
Junction Aeropuerto 92.4 km
Snyder 95.0 km
Dyess Air Force Base 105.8 km
Monclova 107.3 km
Quetzalcóatl aeropuerto 109.9 km
Abilene Aeropuerto 119.2 km
Laredo aeropuerto 120.8 km
Big Spring Aeropuerto 133.0 km
Coleman Aeropuerto 139.3 km
Curtis Field 142.8 km
Cotulla 146.6 km
Zapata Aeropuerto 146.7 km
South Texas Regional Airport at Hondo 152.7 km
Kerrville Municipal aeropuerto 163.2 km
Fredericksburg 183.1 km
Brownwood Regional aeropuerto 185.6 km
Castroville Aeropuerto 187.8 km
Dryden Terrell C. aeropuerto 187.9 km
Midland Airpark aeropuerto 189.1 km
Midland Aeropuerto 196.9 km
Breckenridge Aeropuerto 197.7 km
Hebbronville Aeropuerto 201.5 km
Boerne Stage Field 205.5 km
Llano Municipal aeropuerto 211.8 km
Base de la Fuerza Aérea Lackland 217.4 km
Odessa Aeropuerto 218.2 km
Comanche Aeropuerto 223.5 km
Pleasanton Aeropuerto 224.4 km
Stinson Municipal aeropuerto 230.3 km
San Antonio aeropuerto 230.6 km
Andrews Aeropuerto 236.3 km
Base de la Fuerza Aérea Randolph 250.9 km
Seminole Aeropuerto 252.0 km
Burnet Municipal aeropuerto 258.6 km
McAllen-Miller aeropuerto 259.5 km
Lucio Blanco aeropuerto 261.1 km
Lampasas Aeropuerto 263.6 km
Alice aeropuerto 265.9 km
Fort Stockton- Pecos County aeropuerto 268.1 km
Stephenville Aeropuerto 269.7 km
Falfurrias Aeropuerto 269.9 km
South Texas International Airport at Edinburg 270.6 km
Hamilton Municipal aeropuerto 270.7 km
Naval Auxiliary Landing Field Orange Grove 277.5 km
New Braunfels Aeropuerto 277.5 km
Lago Vista Aeropuerto 287.6 km
Mineral Wells aeropuerto 290.0 km
San Marcos Regional aeropuerto 297.6 km
Killeen- Fort Hood Regional aeropuerto 303.4 km
Naval Air Station Kingsville aeropuerto 303.9 km
Beeville Aeropuerto 304.9 km
Winkler Aeropuerto 305.0 km
Gatesville Municipal aeropuerto 308.3 km
Granbury Aeropuerto 309.4 km
Lea 310.4 km
Killeen 316.4 km
Austin-Bergstrom aeropuerto 316.6 km
Georgetown Municipal aeropuerto 319.1 km
Skylark Field 320.0 km
Valley aeropuerto 323.8 km
Torreón Aeropuerto 330.9 km
Austin Executive aeropuerto 332.0 km
Municipal de Pecos aeropuerto 337.2 km
Heroica Matamoros Aeropuerto 337.8 km
Corpus Christi aeropuerto 338.0 km
Gonzáles Aeropuerto 342.0 km
Brownsville/South Padre aeropuerto 350.2 km
Naval Air Station Joint Reserve Base Fort Worth 350.2 km
Draughon- Miller Central Texas Regional aeropuerto 350.5 km
Cleburne Aeropuerto 350.7 km
Alpine- Casparis Municipal aeropuerto 352.8 km
Port Isabel aeropuerto 358.8 km
Fort Worth Meacham aeropuerto 359.4 km
Mc Gregor 361.2 km
Naval Air Station Corpus Christi 362.2 km
Perot Field Fort Worth Alliance aeropuerto 365.4 km
Fort Worth Spinks aeropuerto 365.9 km
Waco Regional aeropuerto 372.5 km
Port Aransas Aeropuerto 383.7 km
Hillsboro Municipal aeropuerto 386.8 km
Aransas 387.9 km
Arlington Aeropuerto 387.9 km
TSTC Waco aeropuerto 388.6 km
Marfa Municipal aeropuerto 389.2 km
Grand Prairie Municipal aeropuerto 393.8 km