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  2. Weather forecasting - Wikipedia

    en.wikipedia.org/wiki/Weather_forecasting

    Microsoft's Aurora system offers global 10-day weather and 5-day air pollution (CO 2, NO, NO 2, SO 2, O 3, and particulates) forecasts with claimed accuracy similar to physics-based models, but at orders-of-magnitude lower cost. Aurora was trained on more than a million hours of data from six weather/climate models. [83] [84]

  3. Quantitative precipitation forecast - Wikipedia

    en.wikipedia.org/wiki/Quantitative_precipitation...

    The critical success index, or CSI, divides the overlap between the forecast and observed fields by the combined size of the forecast and observed fields: the goal here is a score of 1. The false alarm rate, or FAR, divides the area of the forecast which does not overlap the observed field by the size of the forecasted area. The goal value in ...

  4. Weatherscan - Wikipedia

    en.wikipedia.org/wiki/Weatherscan

    Thunderstorm Forecast (1999–2003) – national forecast map outlining areas of general (orange) and severe (red) thunderstorm activity forecast to occur through the upcoming daypart (updated daily at around 4:00 a.m. and 6:00 p.m. or occasionally 10:00 a.m. ET, with the valid forecast period lasting through mid-morning, midday or midnight of ...

  5. Weather on AOL.com - AOL Help

    help.aol.com/articles/weather-on-aolcom

    2. Click the weather icon in the top-left corner of the page. 3.Select the Settings icon next to current city name - The Location Settings menu will appear. 4. Select Add New Location. 5. In the City or ZIP code search bar enter the ZIP code or city you wish to track 6. Select the city name to add the location.

  6. Will students face storms as they head back to school? What ...

    www.aol.com/forecast-shows-first-day-school...

    For premium support please call: 800-290-4726 more ways to reach us

  7. National Weather Service - Wikipedia

    en.wikipedia.org/wiki/National_Weather_Service

    Once per day, NWS meteorologists issue a coded fire weather forecast for specific United States Forest Service observation sites that are then input into the National Fire Danger Rating System (NFDRS). This computer model outputs the daily fire danger that is then conveyed to the public in one of five ratings: low, moderate, high, very high, or ...

  8. Global Forecast System - Wikipedia

    en.wikipedia.org/wiki/Global_Forecast_System

    An example of a forecast product from the GFS, in this case a 96-hour forecast of 850 mb geopotential height and temperature. The Global Forecast System (GFS) is a global numerical weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS).

  9. Global Environmental Multiscale Model - Wikipedia

    en.wikipedia.org/wiki/Global_Environmental_Multi...

    It has 20 members (plus control) and runs out 16 days, the same range as the American global forecast system. The GEPS runs alongside the GFS ensemble to form the North American Ensemble Forecast System. A regional ensemble prediction system (REPS), covering North America and also having 20 members plus control, runs out 72 hours.