Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0738 UTC 18 September 2014)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 180458Z 1806/1912 06007KT 2000 HZ BKN005
Forecast period: 0600 to 0800 UTC 18 September 2014
Forecast type: FROM: standard forecast or significant change
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 1.24 miles (2.00 km)
Ceiling: 500 feet AGL
Clouds: broken clouds at 500 feet AGL
Weather: HZ  (haze)
Text: PROB30 1806/1808 SCT005
Forecast period: 0600 to 0800 UTC 18 September 2014
Forecast type: PROBABLE: 30 percent likelihood of the following during this time
Clouds: scattered clouds at 500 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1808/1811 7000 NSW FEW020 SCT040
Forecast period: 0800 to 1100 UTC 18 September 2014
Forecast type: BECOMING: Conditions expected to become as follows by 1100 UTC 18 September 2014
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 4 miles (7 km)
Clouds: few clouds at 2000 feet AGL
scattered clouds at 4000 feet AGL
Weather: NSW  (no significant weather)
Text: BECMG 1811/1814 9999
Forecast period: 1100 to 1900 UTC 18 September 2014
Forecast type: BECOMING: Conditions expected to become as follows by 1400 UTC 18 September 2014
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 2000 feet AGL
scattered clouds at 4000 feet AGL
Weather: NSW  (no significant weather)
Text: PROB30
Forecast period: 1400 to 1900 UTC 18 September 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 5 miles (8 km)
Weather: SHRA  (rain showers)
Text: TEMPO 1814/1819 8000 SHRA
Forecast period: 1900 to 2200 UTC 18 September 2014
Forecast type: BECOMING: Conditions expected to become as follows by 2200 UTC 18 September 2014
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 4 miles (6 km)
Clouds: few clouds at 2000 feet AGL
scattered clouds at 4000 feet AGL
Weather: NSW  (no significant weather)
Text: BECMG 1819/1822 6000
Forecast period: 2200 UTC 18 September 2014 to 1000 UTC 19 September 2014
Forecast type: BECOMING: Conditions expected to become as follows by 0100 UTC 19 September 2014
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 1.86 miles (2.99 km)
Ceiling: 500 feet AGL
Clouds: broken clouds at 500 feet AGL
Weather: HZ  (haze)
Text: BECMG 1822/1901 3000 HZ BKN005
Forecast period: 0100 to 1000 UTC 19 September 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Ceiling: 4000 feet AGL
Clouds: scattered clouds at 500 feet AGL
broken clouds at 4000 feet AGL
Weather: +SHRA  (heavy rain showers)
Text: PROB30
Forecast period: 1000 to 1200 UTC 19 September 2014
Forecast type: BECOMING: Conditions expected to become as follows by 1200 UTC 19 September 2014
Winds: from the ENE (60 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 4 miles (7 km)
Ceiling: 1500 feet AGL
Clouds: broken clouds at 1500 feet AGL
Weather: NSW  (no significant weather)