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AVIATION WEATHER

AVIATION WEATHER

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AVIATION WEATHER

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  1. AVIATION WEATHER DEBBIE SCHAUM

  2. Self- Briefing Procedures • Weather Awareness • Big picture, what’s the general weather along your route. • Look outside • Look at the weather on the TV • Get the big picture from your home computer

  3. Self Briefing cont. • Are you ready to fly this mission? - Are you qualified to fly in these conditions? - Do you have the experience to take on this mission? - Are you physically capable? - Are you mentally ready?

  4. Things you need to know • What type of aircraft • Limits of aircraft • Proposed flight level • Take off and destination forecast • Hazards enroute • Winds enroute • Time enroute

  5. Weather information • Current weather • Surface analysis • Weather depiction • Radar summary • Satellite • METARS along route • Pireps

  6. Weather Information Cont. • Forecast Weather • TAFS fortakeoff and departure • Prog charts valid for flight time • Hazard forecast valid for flight time • Hazards at your flight level • Discussion bulletins that apply to your route of flight

  7. Alternates and Flight Paths • An Alternate is used if the weather at your destination is not suitable for landing. • Winds are too strong or creating too much of a crosswind • Thunderstorms/severe weather are over the field • Visibilities are below pilot’s/plane’s minimum capabilities • Ceiling is too low • Runway is icy or snow covered

  8. Weather Data Sources

  9. ERAU WX • http://wx.erau.edu/data/ • Good satellite and radar images; access to WSI data; limited surface and forecast graphics; does not have upper air or model graphics data.

  10. Graphical data allows route planning

  11. Then pick additional Information for your route of flight

  12. Aviation Weather Center • http://aviationweather.gov/ • http://adds.aviationweather.gov/ • Good for aviation weather hazards; good satellite access; icing and turbulence information; pilot reports; some manual forecast graphics; access to experimental aviation hazard products (ADDS); lacks model data; lacks public weather

  13. National Weather Service • http://weather.gov/ • Good overview of public weather; click on organization to get web listings for all local NWS offices

  14. HOURLY WEATHER GRAPH Take off data Runway Cross winds Chance of Precip

  15. NCAR-RAP • http://www.rap.ucar.edu/weather • Aviation oriented web page; forecast model graphics are useful aviation planning (clouds, winds, etc); has links to other related weather web sites. • Vertical profile data (Skew-T/Log P)

  16. Using the ADDS Flight Planning Tool • Go to http://adds.aviationweather.gov/ • Click on Java Tools

  17. Launch new FPT (Flight Path Tool) • Select your flight altitude

  18. Click on Configure and Identify the items you want displayed

  19. Creating a cross sectional view • Click on airplane button on left side. • Place cursor on starting location and left click (should put a 1 on that location) • Move your mouse to your destination and left click (should put a 2 on that location) • Continue to all your destinations • When complete right click and click on show cross-section.

  20. Cross section cont. • This should display a cross section view. • It will always have your starting destination on the left side. • Along the bottom you will find all the information you requested by rolling over the points

  21. METARS/TAFS • METAR is Meteorological Terminal Aviation Routine Weather Report • It is the observation of current conditions • By the time it is online it is old information • TAF is Terminal Airdrome Forecast • Provide a forecast of weather conditions at an airport for the next 6-24 hours.

  22. Forecasting tools http://wwwt.emc.ncep.noaa.gov/mmb/SREF_avia/FCST/AVN/web_site/visb/cnv_com_09z_prb1.htm Great aviation tool for looking up to 63 hrs into future Flight restriction probabilities Ceiling and cloud tops Low level wind shear Icing potential up to FL 240 Turbulence potential FL 180 and higher Precip probability Fog probability

  23. SREF Time of origin Valid time Probability

  24. Food for thought