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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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?

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

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

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

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

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

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

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

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

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

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