Aviation Digital Data Service (ADDS)

Output produced by METARs form (0531 UTC 19 March 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: BIRK (REYKJAVIK (NOTAM, IS)
Text: TAF BIRK 190446Z 1906/2006 23018KT 9999 SHRASN FEW020CB BKN035 TX05/1915Z TN00/2006Z
Forecast period: 0600 to 1900 UTC 19 March 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the SW (230 degrees) at 21 MPH (18 knots; 9.3 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 3500 feet AGL
Clouds: few clouds at 2000 feet AGL
broken clouds at 3500 feet AGL
Weather: SHRA SHSN  (rain showers, snow showers)
Text: TEMPO 1906/1920 23025G37KT 3000 SHRASN BKN015CB
Forecast period: 0600 to 2000 UTC 19 March 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the SW (230 degrees) at 29 MPH (25 knots; 12.9 m/s)
gusting to 43 MPH (37 knots; 19.0 m/s)
Visibility: 1.86 miles (2.99 km)
Ceiling: 1500 feet AGL
Clouds: broken clouds at 1500 feet AGL
Weather: SHRA SHSN  (rain showers, snow showers)
Text: BECMG 1919/1922 23027G37KT -SHSN
Forecast period: 1900 UTC 19 March 2019 to 0600 UTC 20 March 2019
Forecast type: BECOMING: Conditions expected to become as follows by 2200 UTC 19 March 2019
Winds: from the SW (230 degrees) at 31 MPH (27 knots; 13.9 m/s)
gusting to 43 MPH (37 knots; 19.0 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 3500 feet AGL
Clouds: few clouds at 2000 feet AGL
broken clouds at 3500 feet AGL
Weather: -SHSN  (light snow showers)
Text: TEMPO 1920/2006 3000 SHSN BKN015CB
Forecast period: 2000 UTC 19 March 2019 to 0600 UTC 20 March 2019
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 1.86 miles (2.99 km)
Ceiling: 1500 feet AGL
Clouds: broken clouds at 1500 feet AGL
Weather: SHSN  (snow showers)