Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0800 UTC 23 April 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: KSFO (SAN FRANCISCO , CA, US)
Text: KSFO 230531Z 2306/2412 27010KT P6SM FEW012 BKN040 OVC150
Forecast period: 0600 to 1600 UTC 23 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the W (270 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 4000 feet AGL
Clouds: few clouds at 1200 feet AGL
broken clouds at 4000 feet AGL
overcast cloud deck at 15000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 2312/2316 BKN020
Forecast period: 1200 to 1600 UTC 23 April 2017
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Ceiling: 2000 feet AGL
Clouds: broken clouds at 2000 feet AGL
Weather: no significant weather forecast for this period
Text: FM231600 28012KT P6SM FEW025 SCT040
Forecast period: 1600 to 1900 UTC 23 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 2500 feet AGL
scattered clouds at 4000 feet AGL
Weather: no significant weather forecast for this period
Text: FM231900 28014KT P6SM FEW035
Forecast period: 1900 to 2100 UTC 23 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 16 MPH (14 knots; 7.3 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 3500 feet AGL
Weather: no significant weather forecast for this period
Text: FM232100 28015G25KT P6SM SCT040
Forecast period: 2100 UTC 23 April 2017 to 0400 UTC 24 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 17 MPH (15 knots; 7.8 m/s)
gusting to 29 MPH (25 knots; 13.0 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: scattered clouds at 4000 feet AGL
Weather: no significant weather forecast for this period
Text: FM240400 28012KT P6SM SCT030
Forecast period: 0400 to 1200 UTC 24 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: scattered clouds at 3000 feet AGL
Weather: no significant weather forecast for this period