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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.


Stations météo à proximité - Ripon Distance
Stockton Metropolitan (Aéroport) 16.7 km
Modesto 20.1 km
Sacramento Mather (Aéroport) 49.6 km
Sacramento Executive (Aéroport) 60.1 km
Hollister Aéroport 60.1 km
Sacramento McClellan (Aéroport) 60.9 km
Castle (Aéroport) 64.9 km
South County Arpt Of Santa Clara County 66.6 km
Placerville (Aéroport) 68.1 km
Auburn Aéroport 68.4 km
Lincoln Aéroport 70.9 km
Merced (Aéroport) 72.3 km
Sacramento (Aéroport) 75.4 km
Livermore Municipal (Aéroport) 78.0 km
Columbia Aéroport 79.6 km
Reid- Hillview (Aéroport) 81.9 km
Salinas Municipal (Aéroport) 83.4 km
Nevada 84.7 km
Beale Air Force Base 86.5 km
Davis Aéroport 86.8 km
Watsonville Municipal (Aéroport) 88.6 km
Yuba 92.0 km
San José (Aéroport) 93.0 km
Travis Air Force Base 95.5 km
Blue Canyon 97.5 km
Nut Tree (Aéroport) 99.1 km
Buchanan Field (Aéroport) 104.7 km
Moffett Federal Airfield 105.9 km
Aéroport régional de Monterey 106.8 km
Hayward Executive (Aéroport) 111.5 km
Palo Alto Aéroport 112.7 km
Oroville Municipal (Aéroport) 114.5 km
Madera Municipal (Aéroport) 120.2 km
Aéroport international d'Oakland 122.5 km
San Carlos (Aéroport) 127.0 km
Paso Robles Municipal (Aéroport) 131.5 km
Napa Aéroport 132.2 km
Lake Tahoe (Aéroport) 140.2 km
Truckee Tahoe (Aéroport) 140.4 km
San Francisco (Aéroport) 141.3 km
Chico Municipal (Aéroport) 142.9 km
Naval Air Station Lemoore 153.1 km
San Luis Obispo County Regional (Aéroport) 153.9 km
Eddie Andreini Sr. Airfield 154.7 km
Marin 161.8 km
Fresno Yosemite (Aéroport) 165.7 km
Petaluma Aéroport 168.2 km
Carson City Aéroport 173.8 km
Aéroport Reno Stead 174.9 km
Reno-Tahoe (Aéroport) 177.7 km
Santa Maria Public (Aéroport) 179.4 km
Vandenberg Space Force Base 183.9 km
Hanford Municipal (Aéroport) 185.8 km
Red Bluff Municipal (Aéroport) 188.0 km
Lompoc Aéroport 190.9 km
Santa Rose Airport 194.3 km
Redding Municipal (Aéroport) 207.2 km
Visalia Municipal (Aéroport) 207.7 km
Santa Ynez Aéroport 213.2 km
Alturas Aéroport 222.6 km
Santa Barbara Municipal (Aéroport) 236.2 km
Ukiah Aéroport 245.6 km
Mont Shasta 246.9 km
Porterville Aéroport 248.3 km
Mammoth Yosemite (Aéroport) 253.7 km
Trinity Center 258.1 km
Meadows Field (Aéroport) 264.3 km
Weaverville 267.0 km
Siskiyou 279.3 km
Hawthorne Industrial (Aéroport) 279.7 km
Naval Air Station Fallon Aéroport 284.0 km
Oxnard (Aéroport) 292.0 km
Camarillo Aéroport 300.3 km
Naval Air Station Point Mugu 301.8 km
Eastern Sierra Regional (Aéroport) 306.9 km
Derby Field 311.1 km
Sandberg (Aéroport) 313.7 km
Naval Outlying Landing Field San Nicolas 314.8 km
Tehachapi Municipal (Aéroport) 331.6 km
Van Nuys Aéroport 352.7 km
Whiteman (Aéroport) 357.3 km
Santa Monica (Aéroport) 362.0 km
Aéroport et port spatial de Mojave Aéroport 362.2 km
General William J. Fox Airfield 363.0 km
Burbank 365.4 km
Los Angeles (Aéroport) 370.1 km
Rohnerville (Aéroport) 375.0 km
Hawthorne Municipal (Aéroport) 375.2 km
Palmdale Regional (Aéroport) 379.3 km
Zamperini Field 379.8 km
Downtown Los Angeles 380.6 km
Île San Clemente Aéroport 384.9 km
Aéroport d'Arcata-Eureka 385.2 km
Catalina (Aéroport) 386.7 km
Edwards Air Force Base 392.6 km
Edwards 392.8 km
Long Beach (Aéroport) 395.2 km
San Gabriel Valley (Aéroport) 398.3 km
Naval Air Weapons Station China Lake 398.7 km
Joint Forces Training Base 405.0 km

Situation actuelle