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  2. Clear Sky Chart - Wikipedia

    en.wikipedia.org/wiki/Clear_Sky_Chart

    They forecast the cloud cover, transparency and astronomical seeing, parameters which are not forecast by civil or aviation forecasts. [1] They forecast hourly data, but are limited to forecasting at most 48 hours into the future. Each individual chart provides data for only a 9 mile radius, and so are essentially point forecasts.

  3. Okta - Wikipedia

    en.wikipedia.org/wiki/Okta

    Cloud-cover symbols used on weather teleprinters and aviation reports in the US [6] In the early 20th century, it was common for weather maps to be hand drawn. The symbols for cloud cover on these maps, like the modern symbols, were drawn inside the circle marking the position of the weather station making the measurements.

  4. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    A typical METAR contains data for the temperature, dew point, wind direction and speed, precipitation, cloud cover and heights, visibility, and barometric pressure. A METAR may also contain information on precipitation amounts, lightning , and other information that would be of interest to pilots or meteorologists such as a pilot report or ...

  5. VFR over-the-top - Wikipedia

    en.wikipedia.org/wiki/VFR_Over-The-Top

    The flight visibility at the cruising altitude of the aircraft must be at least 5 miles and the weather at the destination aerodrome must be forecast to have a sky condition of scattered cloud or better, a ground visibility of 5 miles or greater with no forecast of precipitation, fog, thunderstorm or blowing snow, and that these conditions must ...

  6. Some parts of the U.S. could see cloudy skies during ... - AOL

    www.aol.com/news/parts-u-could-see-cloudy...

    Cloud cover forecasts will also be important for locations outside the path of totality, given that at least 99% of the contiguous U.S. will get to experience at least a partial eclipse.

  7. Aviation Weather Center - Wikipedia

    en.wikipedia.org/wiki/Aviation_Weather_Center

    The AWC is also responsible for aviation warnings, such as AIRMETs and SIGMETs, for the United States, including its overseas territories, and northern portions of the Atlantic and Pacific Oceans. [1] [2] It is finally the center that issues forecasts for the displacement of volcanic ash and forest fire smoke plumes for the same territories. [2]

  8. List of National Weather Service Weather Forecast Offices

    en.wikipedia.org/wiki/List_of_National_Weather...

    Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.

  9. AOL Mail

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!