Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0020 UTC 01 November 2014)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 312304Z 0100/0206 20010KT 9999 FEW040
Forecast period: 0000 UTC 01 November 2014 to 0600 UTC 02 November 2014
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: few clouds at 4000 feet AGL
Weather: no significant weather forecast for this period
Text: PROB30
Forecast period: 0000 to 0400 UTC 01 November 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 4 miles (7 km)
Weather: no significant weather forecast for this period
Text: TEMPO 0100/0104 7000
Forecast period: 0400 to 0900 UTC 01 November 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 2.49 miles (4.01 km)
Ceiling: 900 feet AGL
Clouds: broken clouds at 900 feet AGL
Weather: -RA -DZ  (light rain, light drizzle)
Text: PROB40
Forecast period: 0900 to 1500 UTC 01 November 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 5 miles (8 km)
Ceiling: 1300 feet AGL
Clouds: broken clouds at 1300 feet AGL
Weather: -SHRA  (light rain showers)
Text: TEMPO 0104/0109 4000 -RADZ BKN009
Forecast period: 0000 to 0600 UTC 02 November 2014
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the S (190 degrees) at 17 MPH (15 knots; 7.8 m/s)
gusting to 29 MPH (25 knots; 13.0 m/s)
Visibility: 4 miles (6 km)
Ceiling: 900 feet AGL
Clouds: broken clouds at 900 feet AGL
Weather: RA  (rain)