Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0159 UTC 26 April 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
Forecast for: KNHK (PATUXENT RIVER , MD, US)
Text: TAF KNHK 2523/2623 02009KT 9999 VCSH OVC005 621104 542109 543009 QNH2965INS
Forecast period: 2300 UTC 25 April 2017 to 0500 UTC 26 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NNE (20 degrees) at 10 MPH (9 knots; 4.7 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 500 feet AGL
Clouds: overcast cloud deck at 500 feet AGL
Icing: Light icing in cloud expected at 11000 feet (3352m) AGL extending to 15000 feet (4572m) AGL
Turbulence: Occasional moderate turbulence in cloud expected at 30000 feet (9144m) AGL extending to 39000 feet (11887m) AGL
Turbulence: Occasional moderate turbulence in cloud expected at 21000 feet (6400m) AGL extending to 30000 feet (9144m) AGL
Weather: VCSH  (showers in vicinity)
Text: TEMPO 2523/2605 4800 -SHRA BR OVC004
Forecast period: 2300 UTC 25 April 2017 to 0500 UTC 26 April 2017
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 2.98 miles (4.80 km)
Ceiling: 400 feet AGL
Clouds: overcast cloud deck at 400 feet AGL
Weather: -SHRA BR  (light rain showers, mist)
Text: FM260500 35007KT 6000 -DZ BR OVC005 641109 542109 543009 QNH2968INS
Forecast period: 0500 to 1200 UTC 26 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the N (350 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 4 miles (6 km)
Ceiling: 500 feet AGL
Clouds: overcast cloud deck at 500 feet AGL
Icing: Moderate icing expected at 11000 feet (3352m) AGL extending to 20000 feet (6096m) AGL
Turbulence: Occasional moderate turbulence in cloud expected at 30000 feet (9144m) AGL extending to 39000 feet (11887m) AGL
Turbulence: Occasional moderate turbulence in cloud expected at 21000 feet (6400m) AGL extending to 30000 feet (9144m) AGL
Weather: -DZ BR  (light drizzle, mist)
Text: FM261200 32007KT 8000 BR VCSH OVC005 621105 500000 QNH2976INS
Forecast period: 1200 to 1700 UTC 26 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NW (320 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 5 miles (8 km)
Ceiling: 500 feet AGL
Clouds: overcast cloud deck at 500 feet AGL
Icing: Light icing in cloud expected at 11000 feet (3352m) AGL extending to 16000 feet (4876m) AGL
Turbulence: expected at surface
Weather: BR VCSH  (mist, showers in vicinity)
Text: FM261700 03007KT 9999 SCT008 BKN015 600000 QNH2976INS AUTOMATED SENSOR METWATCH 2603 TIL 2608 T14/2609Z T20/2619Z FN20013
Forecast period: 1700 to 2300 UTC 26 April 2017
Forecast type: FROM: standard forecast or significant change
Winds: from the NNE (30 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 1500 feet AGL
Clouds: scattered clouds at 800 feet AGL
broken clouds at 1500 feet AGL
Icing: expected at surface
Weather: no significant weather forecast for this period