This map service provides maps depicting the latest surface weather and marine weather observations at observing sites using the international station model. The station model is a method for representing information collected at an observing station using symbols and numbers. The station model depicts current weather conditions, cloud cover, wind speed, wind direction, visibility, air temperature, dew point temperature, sea surface water temperature, significant wave height, air pressure adjusted to mean sea level, and the change in air pressure over the last 3 hours. The circle in the model is centered over the latitude and longitude coordinates of the station. The total cloud cover is expressed as a fraction of cloud covering the sky and is indicated by the amount of circle filled in; Wind speed and direction are represented by a wind barb whose line extends from the cover cloud circle towards the direction from which the wind is blowing. 
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The observations included in this map service are organized into three separate group layers: 1) Wind velocity (wind barb) observations, 2) Cloud Cover observations, and 3) All other observations, which are displayed as numerical values (e.g. Air Temperature, Wind Gust, Visibility, Sea Surface Temperature, etc.).
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Additionally, due to the density of weather/ocean observations in this map service, each of these group data layers has been split into ten individual "Scale Band" layers, with each one visible for a certain range of map scales. Thus, to ensure observations are displayed at any scale, users should make sure to <b>always specify all six corresponding scale band layers in every map request</b>. This will result in the scale band most appropriate for your present zoom level being shown, resulting in a clean, uncluttered display. As you zoom in, additional observations will appear.
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The observations in this service are updated approximately every 10 minutes. However, since the reporting frequency varies by network or station, the observations for a particular station may update only once per hour.
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Link to data download: <a href='https://madis.ncep.noaa.gov/madis_datasets.shtml'>https://madis.ncep.noaa.gov/madis_datasets.shtml</a>
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Link to metadata: <a href='https://www.weather.gov/gis/IDP-GISRestMetadata'>https://www.weather.gov/gis/IDP-GISRestMetadata</a>
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Questions/Concerns about the service, please contact the <a href='mailto:nws.mapservices@noaa.gov'>DISS GIS</a> team
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Time Information: This map is not time-enabled.
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<b>Background Information:</b><p>
The maps of near-real-time surface weather and ocean observations are based on non-restricted data obtained from the NWS Family of Services courtesy of NESDIS/OPSD and also the NWS Meteorological Assimilation Data Ingest System (MADIS). The data includes observations from terrestrial and maritime observing stations from the U.S.A. and other countries.
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{'Title': 'Surface Weather and Ocean Observations', 'Author': '', 'Comments': '', 'Subject': '', 'Category': '', 'AntialiasingMode': 'Fast', 'TextAntialiasingMode': 'Force', 'Version': '2.9.0', 'Keywords': 'Surface,Observations'}
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