How is the local forecast done? I use my own weather station and Weather-Display software to collect local data. Then I use WXSIMATE to download data from 220 advection sites like weather stations, airports, north sea buoy's and more(out to about 2000 km distant from Bergen) and 3 RAOB sites (Ørland 01241, Ekofisk 01400, and Lerwick 03005) for upper athmospheric weather data. (radiosonde diagrams) and lastly it downlad current data from my own station in Inndalsveien, Bergen Flesland(ENBR) METAR site and synoptic code 01317 for Bergen Florida weather station, and also climatological data from Bergen 01317 and the local station. After downloading WXSIM is importing all the data and models a forecast for my local area, and with a few modifications and neutral advection it does a pretty good job. But(!) with winds from the west and current percipitation you should add to the numbers(MM) because WXSIM does not take into account the mountain effect that generates more rain when the wind is westerly, even though it takes the mountains into account for other variables. What is WXSIM? WXSIM is a very unique software package - over 20 years in the making for modeling, forecasting, or simply studying weather. It is perhaps best described as an "interactive local atmospheric model". You initialize it with current data, some optionally downloaded from the internet, and then "turn it loose" to model the weather for the next few days, but with the option to interact with the program and mix in some of your own forecasting skill and knowledge. Space does not allow a full discussion of all the program's algorithms, but just to provide a notion of what is involved, here are some of the variables modeled or used by the program: Date, time, sun angle, distance from sun, latitude, longitude, elevation, proximity to large bodies of water, climatological temperature and dew point data, heat capacity of the surface, latent heat of condensation, incoming shortwave solar radiation, outgoing longwave terrestrial radiation, cloud albedo and emissivity, mixing due to winds and convection, advection of temperature and dew point, upper level temperatures and dew points (in 5 atmospheric layers), formation of dew, frost, and fog, formation of sea breezes, accumulation and melting of snow, and much more. In addition to the program's main job of modeling/forecasting, it performs a variety of other useful functions, including: Conversions among temperature, dew point, relative humidity, wet bulb temperature, vapor pressure, and mixing ratio. Calculations of heat index and wind chill. Sunrise and sunset times and sunrise azimuth for any point on earth any day of the year. Sun altitude and azimuth at any time and date for any point on earth. Solar irradiance and UV index, as functions of time, place, cloud cover, haze, and fog. Approximate normal temperature and dew point for any point on earth on any day of the year. Display and limited analysis of imported and interoplated RAOB soundings (TTAA data only). Graphical display (with printout option) of imported and interpolated NGM and Eta FOUS forecast data, including the option of weighted averaging of the two. WXSIMATE and WXSIM: http://www.wxsim.com The local forecast is not to be used directly on other sites or "iFramed". Place a link to it if you like, but do not steal my data and bandwith, thank you. Original php scripts for presenting the final forecast is made by Jordan Gerth The Wind forecast page is provided and linked to windfinder.com Ronny Tertnes - http://www.lynradar.no Use your browser's back button to return.