Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0600 UTC 18 January 2018)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: KNHK (PATUXENT RIVER , MD, US)
Text: TAF KNHK 1723/1823 34013KT 9999 SCT060 OVC090 QNH3017INS
Forecast period: 2300 UTC 17 January 2018 to 0400 UTC 18 January 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the NNW (340 degrees) at 15 MPH (13 knots; 6.8 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 9000 feet AGL
Clouds: scattered clouds at 6000 feet AGL
overcast cloud deck at 9000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1804/1805 32016G23KT 9999 FEW090 FEW280 QNH3007INS
Forecast period: 0400 to 1400 UTC 18 January 2018
Forecast type: BECOMING: Conditions expected to become as follows by 0500 UTC 18 January 2018
Winds: from the NW (320 degrees) at 18 MPH (16 knots; 8.3 m/s)
gusting to 26 MPH (23 knots; 12.0 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 9000 feet AGL
few clouds at 28000 feet AGL
Weather: no significant weather forecast for this period
Text: TEMPO 1805/1809 31018G25KT
Forecast period: 0500 to 0900 UTC 18 January 2018
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Winds: from the NW (310 degrees) at 21 MPH (18 knots; 9.4 m/s)
gusting to 29 MPH (25 knots; 13.0 m/s)
Weather: no significant weather forecast for this period
Text: FM181400 28012KT 9999 FEW280 QNH3001INS AUTOMATED SENSOR METWATCH 1804 TIL 1809 TM07/1811Z T02/1820Z FN20065
Forecast period: 1400 to 2300 UTC 18 January 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 14 MPH (12 knots; 6.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 28000 feet AGL
Weather: no significant weather forecast for this period