Presented to: By: Date: Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations National Weather Service Workshop David

Presented to:

By:

Date:

Federal AviationAdministration

Weather Impacts to Philadelphia Air Traffic Operations

National Weather Service Workshop

David Conley, FAA

June 6, 2006

2 2Federal AviationAdministration

Weather Impacts to Philadelphia Air Traffic OperationsJune 6, 2006

Aerial Photo of PHL Tower/TRACON



Aerial Photo of PHL Intl Airport looking south



• Lightning– Impedes flight operations– Inhibits ramp operation– Risk to Equipment

•Weather Challenges:





• Low ceilings• Low Visibilities

•Weather Challenges:



WINTER FLYING CAN PRESENT SOME UNIQUE WINTER FLYING CAN PRESENT SOME UNIQUE CHALLENGES . . . . .CHALLENGES . . . . .

•Fog, particular rolling river fog



Challenges:

• Micro bursts• Thunderstorms





Challenges:

• Winter Weather– Ice– Snow





Operational decisions: minimize the amount of time Operational decisions: minimize the amount of time an aircraft spends on the ground after being an aircraft spends on the ground after being deiced/anti-iced!deiced/anti-iced!



Air TrafficDemand is Growing



PHL Traffic Trend since Sept 2001

25000

27000

29000

31000

33000

35000

37000

39000

41000

43000

45000



DHL B747 departing PHL



Air Traffic Density



Delay Causes Sept 04-Mar 05

0

500

1,000

1,500

2,000

2,500

PHL TOWER DELAY CAUSES SEPT. 2004-MARCH 10, 2005

WX 1,289 1,323 955 1,493 2,262 1,517 534

VOL 136 318 391 812 292 273 38

CTR VOL 364 1 0 0 0 0 0

EQUIP 3 0 0 0 3 0 0

RWY CLSD 53 184 363 688 494 218 0

OTHER 405 20 108 35 127 36 14

SEP OCT NOV DEC JAN FEB MAR



Delay CausesPHL DELAY CAUSES NOV. 2003

WX64%

VOL8%

CTR VOL9%

EQUIP8%

RWY CLSD0%

OTHER11%

PHL DELAY CAUSES NOV. 2004

WX52%

VOL22%

CTR VOL0%

EQUIP0%

RWY CLSD20%

OTHER6%



PHILADELPHIA DELAY CAUSES

-200

300

800

1,300

1,800

2,300

WX 1,455 1,289 583 1,323 1,000 955 618 1,493 418 2,262 329 1,517 266 534

VOL 32 136 127 318 118 391 42 812 38 292 53 273 82 38

CTR VOL 88 364 6 1 143 0 173 0 99 0 184 0 63 0

EQUIP 2 3 0 0 127 0 0 0 0 3 49 0 0 0

RWY CLSD 22 53 10 184 6 363 15 688 0 494 11 218 6 0

OTHER 21 405 112 20 165 108 148 35 48 127 65 36 71 14

SEP'03

SEP'04

OCT'03

OCT'04

NOV'03

NOV'04

DEC'03

DEC'04

JAN'04

JAN'05

FEB'04

FEB'05

MAR'04

MAR'05

* March data through the 10th

Snow

Snow

Presented to:

By:

Date:


• 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:


One-stop shopping

vs.

sorting through several weather forecast

providers and draw an instinctive conclusion.

What do we need?



• 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?



PHL Airport Layout



ILS RWY 9R Approach



Minimums for Converging ILS RWY 17 Approach



•Questions?



A question for you….



Is this how clouds are really made?



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Presented to: By: Date: Federal Aviation Administration Weather Impacts to Philadelphia Air Traffic Operations National Weather Service Workshop David