1. Presented to: By: Date: Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations National Weather Service Workshop David Conley, FAA June 6, 2006

2. 2 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 2 Aerial Photo of PHL Tower/TRACON

3. 3 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 3 Aerial Photo of PHL Intl Airport looking south

4. 4 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 4 Lightning –Impedes flight operations –Inhibits ramp operation –Risk to Equipment Weather Challenges:

5. 5 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 5

6. 6 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 6 Low ceilings Low Visibilities Weather Challenges:

7. 7 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 7 WINTER FLYING CAN PRESENT SOME UNIQUE CHALLENGES..... Fog, particular rolling river fog

8. 8 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 8 Challenges: Micro bursts Thunderstorms

9. 9 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 9

10. 10 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 10 Challenges: Winter Weather –Ice –Snow

11. 11 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 11

12. 12 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 12 Operational decisions: minimize the amount of time an aircraft spends on the ground after being deiced/anti-iced!

13. 13 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 13 Air Traffic Demand is Growing

14. 14 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 14 PHL Traffic Trend since Sept 2001

15. 15 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 15 DHL B747 departing PHL

16. 16 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 16 Air Traffic Density

17. 17 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 17 Delay Causes Sept 04-Mar 05

18. 18 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 18 Delay Causes

19. 19 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 19 PHILADELPHIA DELAY CAUSES * March data through the 10th Snow

20. Presented to: By: Date: Federal Aviation Administration Accurate forecasting down to fine grain details. Precise ceiling heights Visibility Wind direction and speed Times of changes What do we need?

21. Presented to: By: Date: Federal Aviation Administration One-stop shopping vs. sorting through several weather forecast providers and draw an instinctive conclusion. What do we need?

22. 22 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 22 Planning of arrival/departure rates Managing of ATC System via TMI’s* –*GS, GDP, AFP, MIT, time-based metering, etc. Distribution of resources –Staffing –Equipment Why do we need it?

23. 23 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 23 PHL Airport Layout

24. 24 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 24 ILS RWY 9R Approach

25. 25 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 25 Minimums for Converging ILS RWY 17 Approach

26. 26 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 26 Questions?

27. 27 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 27 A question for you….

28. 28 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 28 Is this how clouds are really made?

29. 29 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 29

30. 30 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 30

31. 31 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 31

32. 32 Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations June 6, 2006 32