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About WeatherPost Introduction | Updating Schedule | Acknowledgments Introduction First, thanks for stopping by. Washingtonpost.com has put together WeatherPost as a comprehensive source of forecast and weather information for the Washington area and the entire world. Many of the features you see here come from the feedback we received on our previous weather efforts. For Washington residents, you'll find current conditions and forecasts for more than 60 cities in the metropolitan area. Odds are, if you live around here, we've got you covered. For residents of the United States, we offer forecasts for more than 2,300 cities nationwide, complete with forecast maps, regional radar images, satellite images and links. For residents of other parts of the world, our information is in metric units. You'll find forecasts for more than 1,300 cities worldwide. We cover almost every country on the globe, from Afghanistan to Zimbabwe with more than 220 nations and territories in between. Forecast information for each city is completely replaced and updated every 12 hours. And our satellite images are updated as frequently as every hour. You can navigate WeatherPost using our organized lists of city information, or you can simply type in the city, state or country you're looking for and jump directly to the information using our Forecast Finder. Please be specific. For example, simply typing in Japan would yield more than 60 cities. Typing in California alone would yield 379 cities (and take about 5 minutes to download over a modem). If you're traveling, you can not only look up forecast information but also check for historical weather data on city forecast pages. Our historical weather archive offers climatological averages for almost 1,000 cities worldwide. The historical pages contain average temperature, precipitation and other weather indicators for any month. We have also organized a Weather Reference Desk, where you'll find weather calculators for doing basic unit conversions, detailed explanations of weather terms, a 600-term searchable weather glossary, and expert meteorologists in their own discussion area to answer your questions. As always, if you have any questions, want to say hello or want to make a suggestion, drop us a line. We're always looking to improve upon our site. Updating Schedule Our updating schedule is as follows: Every 30 to 45 minutes: Regional and national radar images of the United States Every hour: Regional and national satellite images of the United States Every hour: Current weather conditions for every city in Maryland, Virginia, Delaware, West Virginia and the District of Columbia, as well as current conditions for 20 major cities elsewhere in the United States and 20 major cities worldwide Every three to six hours: Global satellite images. Please note that our global satellite update times vary between three to six hours because satellites are occassionally retasked to watch particular regions. As a result, a continental satellite image may be delayed while meteorologists watch weather events. Every 12 hours: The five-day (10-day in the Washington metro area) forecast for our inventory of cities worldwide. Updates usually occur around 5 or 6 a.m. and 5 or 6 p.m. Eastern time every day. Once or Twice Daily: Our inventory of forecast maps for the world Daily: Our ski forecast (seasonal) Weekly: Our expert meteorologists check into the discussion area once a week. Acknowledgments This site could not have been built without the brilliant work of many technical and creative geniuses. First and foremost, thanks to J.I. Greco at AccuWeather, who is the brains behind a wonderful program that manages to generate more than 15,000 pages daily to keep you current on weather in every significant place worldwide, from the North to the South Pole, from the depths of Death Valley, Calif., to the top of Mount Everest. And thanks to Don Heaton at AccuWeather for helping us put this site together. If there's anything you'd like to see, drop us a line at weather@weatherpost.com. © Copyright The Washington Post Questions? Comments? Suggestions? E-mail weather@weatherpost.com.