Aviation Digital Data Service (ADDS)

Output produced by METARs form (0421 UTC 24 January 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: RJAA (NARITA INTL , JP)
Text: TAF RJAA 232305Z 2400/2506 31016KT 9999 FEW030
Forecast period: 0000 to 0900 UTC 24 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the NW (310 degrees) at 18 MPH (16 knots; 8.2 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 2401/2409 31019G31KT
Forecast period: 0100 to 0900 UTC 24 January 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the NW (310 degrees) at 22 MPH (19 knots; 9.8 m/s)
gusting to 36 MPH (31 knots; 15.9 m/s)
Visibility: missing
Ceiling: unknown
Clouds: missing
Weather: no significant weather forecast for this period
Text: BECMG 2409/2411 34006KT
Forecast period: 0900 UTC 24 January 2019 to 0600 UTC 25 January 2019
Forecast type: BECOMING: Conditions expected to become as follows by 1100 UTC 24 January 2019
Winds: from the NNW (340 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: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period