Aviation Digital Data Service (ADDS)

Output produced by METARs form (1417 UTC 19 January 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 191103Z 1912/2018 13010KT 9999 BKN010
Forecast period: 1200 UTC 19 January 2019 to 0300 UTC 20 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the SE (130 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 1000 feet AGL
Clouds: broken clouds at 1000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 1912/2006 6000 -RADZ BKN006
Forecast period: 1200 UTC 19 January 2019 to 0600 UTC 20 January 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 4 miles (6 km)
Ceiling: 600 feet AGL
Clouds: broken clouds at 600 feet AGL
Weather: -RA -DZ  (light rain, light drizzle)
Text: PROB30
Forecast period: 1200 UTC 19 January 2019 to 0600 UTC 20 January 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: missing
Ceiling: 400 feet AGL
Clouds: broken clouds at 400 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 1912/2006 BKN004
Forecast period: 0300 to 0600 UTC 20 January 2019
Forecast type: BECOMING: Conditions expected to become as follows by 0600 UTC 20 January 2019
Winds: from the ENE (70 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 1000 feet AGL
Clouds: broken clouds at 1000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 2003/2006 07006KT
Forecast period: 0600 to 1800 UTC 20 January 2019
Forecast type: BECOMING: Conditions expected to become as follows by 0900 UTC 20 January 2019
Winds: from the ENE (70 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 1000 feet AGL
Weather: no significant weather forecast for this period