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  2. Instrument meteorological conditions - Wikipedia

    en.wikipedia.org/wiki/Instrument_meteorological...

    A pilot's view of the runway just before landing in thick fog at night. In aviation, instrument meteorological conditions (IMC) are weather conditions that require pilots to fly primarily by reference to flight instruments, and therefore under instrument flight rules (IFR), as opposed to flying by outside visual references under visual flight rules (VFR).

  3. Terminal aerodrome forecast - Wikipedia

    en.wikipedia.org/wiki/Terminal_aerodrome_forecast

    In meteorology and aviation, terminal aerodrome forecast (TAF) is a format for reporting weather forecast information, [1] particularly as it relates to aviation. TAFs complement and use similar encoding to METAR reports. They are produced by a human forecaster based on the ground.

  4. Flight level - Wikipedia

    en.wikipedia.org/wiki/Flight_level

    In aviation, a flight level (FL) is an aircraft's altitude as determined by a pressure altimeter using the International Standard Atmosphere. It is expressed in hundreds of feet or metres. The altimeter setting used is the ISA sea level pressure of 1013 hPa or 29.92 inHg. The actual surface pressure will vary from this at different locations ...

  5. Trend type forecast - Wikipedia

    en.wikipedia.org/wiki/Trend_Type_Forecast

    In aviation meteorology, a trend type forecast (TTF), also known simply as a trend, is a weather forecast written by a person on location at a major airport or military base. A TTF is a professionally considered forecast for weather over a two-hour period, [ 1 ] and is based on an actual weather report, such as a METAR or SPECI and appended to ...

  6. METAR - Wikipedia

    en.wikipedia.org/wiki/METAR

    METAR is a format for reporting weather information. A METAR weather report is predominantly used by aircraft pilots, and by meteorologists, who use aggregated METAR information to assist in weather forecasting. Raw METAR is the most common format in the world for the transmission of observational weather data.

  7. What’s the difference between sleet and freezing rain? Winter ...

    www.aol.com/news/difference-between-sleet...

    Home & Garden. News

  8. Aviation Weather Center - Wikipedia

    en.wikipedia.org/wiki/Aviation_Weather_Center

    The Aviation Weather Center (AWC) provides weather information and forecasts for air flights over United States territory and at certain altitudes for global traffic.It works with customers, such as commercial airlines, and international partners to improve flight safety and efficiency.

  9. Weather patterns explained: El Niño and La Niña - AOL

    www.aol.com/news/weather-patterns-explained-el...

    Palm Beach Post weather reporter Kimberly Miller explains the effects of El Niño and La Niña on South Florida weather.