Aviation Digital Data Service (ADDS)

Output produced by METARs form (2258 UTC 15 February 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: GQNO (NOUAKCHOTT/OUMTO, MR)
Text: TAF GQNO 151700Z 1518/1624 34014KT 4000 BLSA NSC
Forecast period: 1800 to 2000 UTC 15 February 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the NNW (340 degrees) at 16 MPH (14 knots; 7.2 m/s)
Visibility: 2.49 miles (4.01 km)
Ceiling: unknown
Clouds: missing
Weather: BLSA  (blowing sand)
Text: BECMG 1520/1522 6000 NSW
Forecast period: 2000 UTC 15 February 2019 to 0000 UTC 17 February 2019
Forecast type: BECOMING: Conditions expected to become as follows by 2200 UTC 15 February 2019
Winds: from the NNW (340 degrees) at 16 MPH (14 knots; 7.2 m/s)
Visibility: 4 miles (6 km)
Ceiling: unknown
Clouds: missing
Weather: NSW  (no significant weather)
Text: TEMPO 1609/1614 04012KT
Forecast period: 0900 to 1400 UTC 16 February 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the NE (40 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: missing
Ceiling: unknown
Clouds: missing
Weather: no significant weather forecast for this period