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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.


Nearby Weather Stations - Bay City Distance
Bay City Airport 1.5 km
Houston Executive Airport 10.9 km
Sugar Land Regional Airport 23.4 km
Wharton Regional Airport 34.1 km
Huntsville Regional Airport 35.4 km
Palestine Airport 35.4 km
David Wayne Hooks Memorial Airport 35.5 km
Athens Airport 36.3 km
Houston Southwest Airport 42.0 km
Texas Gulf Coast Regional Airport 42.7 km
Palacios Airport 44.6 km
Conroe Airport 50.9 km
Eagle Lake Airport 53.1 km
Houston County Airport 55.8 km
George Bush Intercontinental Airport 56.7 km
Wood County Airport 57.2 km
Coulter Field Airport 57.4 km
Brenham 59.4 km
Easterwood Airport 60.3 km
Tyler Pounds Regional Airport 62.2 km
William P. Hobby Airport 63.6 km
Terrell Airport 64.0 km
Pearland Regional Airport 68.9 km
C. David Campbell Field 71.1 km
Robert R Wells Jr 74.6 km
Ellington Field Joint Reserve Base 76.4 km
Jacksonville 77.0 km
Rockwall Airport 80.4 km
Mexia Limestone County Airport 80.6 km
Mesquite Metro Airport 88.3 km
Hearne Airport 89.0 km
Calhoun County Airport 92.7 km
Cleveland Airport 94.9 km
Caldwell Airport 96.9 km
Lancaster Regional Airport 106.3 km
Gilmer Airport 107.6 km
Rusk County Airport 115.7 km
Scholes International Airport at Galveston 116.9 km
Victoria Regional Airport 118.7 km
Addison Airport 120.3 km
Dallas Love Field 121.1 km
Dallas Executive Airport 122.0 km
La Grange 123.0 km
Angelina 124.6 km
Midlothian Airport 125.9 km
Giddings Airport 126.5 km
Cameron Airport 127.0 km
Nacogdoches 128.9 km
Aransas 134.0 km
East Texas Regional Airport 137.9 km
Port Aransas Airport 138.7 km
TSTC Waco Airport 139.9 km
Dallas Fort Worth Intl. Airport 140.5 km
Grand Prairie Airport 141.1 km
Hillsboro Airport 144.0 km
Arlington Airport 146.6 km
Waco Regional Airport 155.8 km
Naval Air Station Corpus Christi 160.4 km
Mc Gregor 166.4 km
Fort Worth Spinks Airport 167.7 km
Port Isabel AP 168.9 km
Perot Field Fort Worth Alliance Airport 171.0 km
Harrison County Airport 175.1 km
Draughon- Miller Central Texas Regional Airport 175.6 km
Fort Worth Meacham Intl. Airport 175.8 km
Brownsville/South Padre 178.7 km
Gonzales Airport 179.8 km
Cleburne Airport 181.6 km
Beaumont Airport 182.3 km
Corpus Christi Intl. Airport 184.3 km
Naval Air Station Joint Reserve Base Fort Worth 184.6 km
Center Airport 190.5 km
Austin Executive Airport 191.5 km
Matamoros Airport 191.9 km
Jasper Airport 202.9 km
Valley Intl. Airport 203.5 km
Jack Brooks Regional Airport 204.3 km
Georgetown Airport 205.3 km
Skylark Field 205.9 km
Austin 206.7 km
Killeen 209.7 km
Beeville Airport 216.7 km
Naval Air Station Kingsville Airport 219.0 km
Gatesville Airport 219.1 km
Killeen- Fort Hood Regional Airport 222.5 km
Granbury Airport 223.7 km
San Marcos Regional Airport 224.8 km
Orange County Airport 228.0 km
Shreveport Regional Airport 232.3 km
Shreveport Downtown Airport 236.0 km
Lago Vista Airport 236.4 km
New Braunfels Airport 244.6 km
Naval Auxiliary Landing Field Orange Grove 244.7 km
Barksdale Air Force Base 245.6 km
Mineral Wells Airport 245.8 km
Falfurrias Airport 253.9 km
South Texas International Airport at Edinburg 256.0 km
Alice Intl. Airport 256.6 km
Hamilton Airport 258.4 km
Stephenville Airport 262.8 km

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