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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 - Half Moon Bay Distance
Eddie Andreini Sr. Airfield 2.0 km
San Francisco (Aéroport) 13.1 km
San Carlos (Aéroport) 26.0 km
Aéroport international d'Oakland 32.8 km
Marin 39.4 km
Palo Alto Aéroport 40.9 km
Hayward Executive (Aéroport) 42.0 km
Petaluma Aéroport 47.4 km
Napa Aéroport 48.1 km
Moffett Federal Airfield 48.5 km
Buchanan Field (Aéroport) 56.1 km
San José (Aéroport) 62.8 km
Santa Rose Airport 71.4 km
Reid- Hillview (Aéroport) 74.9 km
Livermore Municipal (Aéroport) 75.2 km
Travis Air Force Base 76.3 km
Nut Tree (Aéroport) 78.6 km
Watsonville Municipal (Aéroport) 84.8 km
Aéroport régional de Monterey 89.0 km
Davis Aéroport 98.7 km
South County Arpt Of Santa Clara County 101.7 km
Salinas Municipal (Aéroport) 110.0 km
Sacramento (Aéroport) 121.9 km
Hollister Aéroport 124.7 km
Sacramento Executive (Aéroport) 125.0 km
Ukiah Aéroport 126.5 km
Sacramento McClellan (Aéroport) 138.8 km
Yuba 139.0 km
Stockton Metropolitan (Aéroport) 139.3 km
Sacramento Mather (Aéroport) 145.5 km
Lincoln Aéroport 150.8 km
Beale Air Force Base 151.4 km
Oroville Municipal (Aéroport) 151.6 km
Chico Municipal (Aéroport) 152.6 km
Red Bluff Municipal (Aéroport) 160.0 km
Modesto 170.9 km
Auburn Aéroport 177.4 km
Redding Municipal (Aéroport) 180.0 km
Nevada 193.2 km
Weaverville 201.2 km
Placerville (Aéroport) 205.4 km
Trinity Center 210.2 km
Castle (Aéroport) 213.3 km
Merced (Aéroport) 219.3 km
Blue Canyon 222.5 km
Mont Shasta 228.3 km
Paso Robles Municipal (Aéroport) 232.0 km
Columbia Aéroport 232.4 km
San Luis Obispo County Regional (Aéroport) 243.7 km
Siskiyou 255.9 km
Rohnerville (Aéroport) 261.8 km
Madera Municipal (Aéroport) 265.3 km
Vandenberg Space Force Base 266.4 km
Santa Maria Public (Aéroport) 272.1 km
Aéroport d'Arcata-Eureka 275.3 km
Lompoc Aéroport 278.3 km
Truckee Tahoe (Aéroport) 281.9 km
Lake Tahoe (Aéroport) 288.4 km
Naval Air Station Lemoore 289.9 km
Fresno Yosemite (Aéroport) 310.9 km
Santa Ynez Aéroport 315.8 km
Aéroport Reno Stead 315.9 km
Alturas Aéroport 318.1 km
Carson City Aéroport 321.3 km
Reno-Tahoe (Aéroport) 321.8 km
Hanford Municipal (Aéroport) 326.3 km
Crescent City 326.5 km
Santa Barbara Municipal (Aéroport) 343.8 km
Visalia Municipal (Aéroport) 349.8 km
Porterville Aéroport 389.8 km
Meadows Field (Aéroport) 399.9 km
Mammoth Yosemite (Aéroport) 405.8 km
Oxnard (Aéroport) 411.0 km
Naval Outlying Landing Field San Nicolas 416.6 km
Naval Air Station Point Mugu 421.4 km
Camarillo Aéroport 421.4 km
Hawthorne Industrial (Aéroport) 432.5 km
Naval Air Station Fallon Aéroport 434.8 km
Sandberg (Aéroport) 445.5 km
Eastern Sierra Regional (Aéroport) 458.3 km
Derby Field 459.4 km
Tehachapi Municipal (Aéroport) 469.5 km
Van Nuys Aéroport 482.2 km
Whiteman (Aéroport) 487.9 km
Santa Monica (Aéroport) 490.0 km
Burbank 496.1 km
Los Angeles (Aéroport) 498.1 km
General William J. Fox Airfield 499.3 km
Aéroport et port spatial de Mojave Aéroport 501.4 km
Île San Clemente Aéroport 501.8 km
Hawthorne Municipal (Aéroport) 503.7 km
Zamperini Field 507.0 km
Catalina (Aéroport) 509.8 km
Downtown Los Angeles 511.2 km
Long Beach (Aéroport) 524.7 km
San Gabriel Valley (Aéroport) 531.0 km
Joint Forces Training Base 535.2 km

Situation actuelle