![]() Selected significant remarks including- variable cloud height, variable visibility, precipitation beginning/ending times, rapid pressure changes, pressure change tendency, wind shift, peak wind.Wind: direction, speed and character (gusts, squalls).Ambient temperature, dew point temperature.Pressure: sea-level pressure, altimeter setting.3 The website sells over 850 brands as well as its own range of clothing and accessories, and ships to all 196 countries from fulfilment centres in the United Kingdom, the United. The company was founded in 2000 in London, primarily aimed at young adults. Basic present weather information: type and intensity for rain, snow, and freezing rain. ASOS plc (/ e s s / AY-soss) is a British online fashion and cosmetic retailer.Visibility (to at least 10 statute miles).Sky condition:cloud height and amount (clear, scattered, broken, overcast) up to 12,000 feet.ASOS transmits a special report when conditions exceed preselected weather element thresholds, e.g., the visibility decreases to less than 3 miles. ASOS observes, formats, archives and transmits observations automatically. These messages are also available via a telephone dial-in port. Additionally, ASOS routinely and automatically provides computer-generated voice observations directly to aircraft in the vicinity of airports, using FAA ground-to-air radio. A basic strength of ASOS is that critical aviation weather parameters are measured where they are needed most: airport runway touchdown zone(s).ĪSOS detects significant changes, disseminating hourly and special observations via the networks. The primary concern of the aviation community is safety, and weather conditions often threaten that safety. Thus, ASOS information will help the NWS to increase the accuracy and timeliness of its forecasts and warnings-the overriding goal of the NWS modernization. Getting more information on the atmosphere, more frequently and from more locations is the key to improving forecasts and warnings. ASOS works non-stop, updating observations every minute, 24 hours a day, every day of the year. The ASOS network has more than doubled the number of full-time surface weather observing locations. With the largest and most modern complement of weather sensors, ASOS has significantly expanded the information available to forecasters and the aviation community. ASOS is designed to support weather forecast activities and aviation operations and, at the same time, support the needs of the meteorological, hydrological, and climatological research communities. The ASOS systems serves as the nation's primary surface weather observing network. ![]() The Automated Surface Observing Systems (ASOS) program is a joint effort of the National Weather Service (NWS), the Federal Aviation Administration (FAA), and the Department of Defense (DOD).
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