Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0753 UTC 25 March 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: EGKK 250720Z 05012KT 9000 NSC 07/05 Q1030
Conditions at: EGKK (LONDON/GATWICK A, GB) observed 0720 UTC 25 March 2017
Temperature: 7.0°C (45°F)
Dewpoint: 5.0°C (41°F) [RH = 87%]
Pressure (altimeter): 30.41 inches Hg (1030.0 mb)
Winds: from the NE (50 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 miles (9 km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: no significant weather observed at this time

Forecast for: EGKK (LONDON/GATWICK A, GB)
Text: TAF EGKK 250457Z 2506/2612 05010KT 7000 NSC
Forecast period: 0600 UTC 25 March 2017 to 1200 UTC 26 March 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NE (50 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 4 miles (7 km)
Clouds: not forecast
Weather: no significant weather forecast for this period
Text: BECMG 2506/2509 9999
Forecast period: 0600 to 0900 UTC 25 March 2017
Forecast type: BECOMING: Conditions expected to become as follows by 0900 UTC 25 March 2017
Winds: from the NE (50 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 6 or more miles (10+ km)
Weather: no significant weather forecast for this period
Text: BECMG 2509/2512 06018G28KT
Forecast period: 0900 to 1700 UTC 25 March 2017
Forecast type: BECOMING: Conditions expected to become as follows by 1200 UTC 25 March 2017
Winds: from the ENE (60 degrees) at 21 MPH (18 knots; 9.4 m/s)
gusting to 32 MPH (28 knots; 14.6 m/s)
Visibility: 6 or more miles (10+ km)
Weather: no significant weather forecast for this period
Text: BECMG 2517/2520 05012KT
Forecast period: 1700 UTC 25 March 2017 to 1200 UTC 26 March 2017
Forecast type: BECOMING: Conditions expected to become as follows by 2000 UTC 25 March 2017
Winds: from the NE (50 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Weather: no significant weather forecast for this period
Text: PROB30 2603/2610 8000
Forecast period: 0300 to 1000 UTC 26 March 2017
Forecast type: PROBABLE: 30 percent likelihood of the following during this time
Visibility: 5 miles (8 km)
Weather: no significant weather forecast for this period
Text: PROB40
Forecast period: 0900 to 1200 UTC 26 March 2017
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the ENE (60 degrees) at 17 MPH (15 knots; 7.8 m/s)
gusting to 29 MPH (25 knots; 13.0 m/s)
Weather: no significant weather forecast for this period