Aviation Digital Data Service (ADDS)

Output produced by METARs form (2318 UTC 18 August 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: KSEA (SEATTLE/METRO , WA, US)
Text: KSEA 182101Z 1821/1924 23006KT P6SM SCT030 BKN050
Forecast period: 2100 UTC 18 August 2019 to 0100 UTC 19 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the SW (230 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 5000 feet AGL
Clouds: scattered clouds at 3000 feet AGL
broken clouds at 5000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 1821/1822 BKN030
Forecast period: 2100 to 2200 UTC 18 August 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: missing
Ceiling: 3000 feet AGL
Clouds: broken clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: FM190100 25006KT P6SM SCT050
Forecast period: 0100 to 1200 UTC 19 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the WSW (250 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 5000 feet AGL
Weather: no significant weather forecast for this period
Text: FM191200 19006KT P6SM OVC020
Forecast period: 1200 UTC 19 August 2019 to 0000 UTC 20 August 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the S (190 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 2000 feet AGL
Clouds: overcast cloud deck at 2000 feet AGL
Weather: no significant weather forecast for this period