![]() ![]() The FAA Weather Services website contains the Surface Analysis Chart (SAC), the Radar Summary Chart (RSC), the Winds and Temperature Aloft Chart (WATC), the Significant Weather Prognostic Chart (SWPC), the Convective Outlook Chart (COC), and other publications. To pilots, the Leidos Flight Service provides weather information via its websites, which include the FAA Weather Services website. Weather information is available 24 hours a day, seven days a week for pilots by dialing the number 1-800-WX-BRIEF. Flight Service’s weather information is available to pilots via its flight service stations (FSSs) both on a government and a contract basis, as well as via the Internet. The Convective Outlook Chart (COC) is a useful tool for predicting the chances of a severe storm developing. The Significant Weather Prognostic Chart (SWPC) is a valuable tool for predicting what the weather will be like in the future. The Wind and Temperature Aloft Chart (WATC) provides a snapshot of temperatures and wind in the atmosphere at various atmospheric levels. Temperature and wind conditions are included in the Radar Summary Chart (RSC), which displays radar and weather data. The Surface Analysis Chart (SAC) is a critical tool for pilots who want to stay up to date on current weather conditions. ![]() Weather is important for pilots, and the FAA Weather Services can provide important information to them. These can include weather briefings from flight service, weather reports from airports along the route, weather radar, and satellite images. Having all stations plotted on a map guides you as to where high- and low-pressure systems, fronts, and the like are located, which ultimately helps you decide where to draw them in.Pilots use a variety of weather forecast sources when planning a flight. But if you'll be analyzing a weather map by hand, station plot data is often the only information you start off with. If a weather map has already been analyzed, you'll find little use for the station plot data. Sky cover (also as one of NOAA's symbols).Current weather (marked as one of dozens of symbols established by National Oceanic and Atmospheric Administration or NOAA).Dewpoint temperature (degrees Fahrenheit).Air temperature (in degrees Fahrenheit).They include reports of a variety of weather data at that location: Station plots describe the weather at a station location. (When reading the chart, note whether the time of year is daylight saving time or standard time and read accordingly.)Īs seen here, some surface weather maps include groupings of numbers and symbols known as weather station plots. If you're in California (which is Pacific Coastal Time) and the UTC issue time is "1345Z" (or 1:45 p.m.), then you know that the map was constructed at 5:45 a.m. If you're new to Z time, using a conversion chart (like the one shown above) will help you easily convert between it and your local time. Known as Zulu or Z time, this figure is included on a weather map so that all meteorological weather observations (taken at different locations and therefore, in different time zones) can be reported at the same standardized times no matter what the local time might be. It tells you when the weather map was created and also the time when the weather data in the map is valid. One of the first coded pieces of data you might notice on a weather map is a 4-digit number followed by the letters "Z" or "UTC." Usually found at the map's top or bottom corner, this string of numbers and letters is a timestamp. ![]()
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