Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1214 UTC 26 September 2016)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 261059Z 2612/2718 20010KT 9999 SCT028
Forecast period: 1200 UTC 26 September 2016 to 0900 UTC 27 September 2016
Forecast type: FROM: standard forecast or significant change
Winds: from the SSW (200 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: scattered clouds at 2800 feet AGL
Weather: no significant weather forecast for this period
Text: PROB30
Forecast period: 1200 to 1600 UTC 26 September 2016
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 2612/2616 8000 SHRA
Forecast period: 2300 UTC 26 September 2016 to 0900 UTC 27 September 2016
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 4 miles (6 km)
Ceiling: 1400 feet AGL
Clouds: scattered clouds at 800 feet AGL
broken clouds at 1400 feet AGL
Weather: -RA -DZ  (light rain, light drizzle)
Text: TEMPO 2623/2709 6000 -RADZ SCT008 BKN014
Forecast period: 0900 to 1800 UTC 27 September 2016
Forecast type: BECOMING: Conditions expected to become as follows by 1200 UTC 27 September 2016
Winds: from the SSW (200 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 4 miles (6 km)
Ceiling: 900 feet AGL
Clouds: scattered clouds at 400 feet AGL
broken clouds at 900 feet AGL
Weather: -RA -DZ  (light rain, light drizzle)
Text: BECMG 2709/2712 6000 -RADZ SCT004 BKN009
Forecast period: 1100 to 1600 UTC 27 September 2016
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 2.61 miles (4.20 km)
Ceiling: 400 feet AGL
Clouds: broken clouds at 400 feet AGL
Weather: RA DZ  (rain, drizzle)