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Delta Air Lines Meteorology

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DELTA AIR LINES, INC. Primary Customers. Flight Control and OCC ... DELTA AIR LINES, INC. Sigmets. BICC 071315 BIRD SIGMET 02 VALID 071315/071615 BIRK- BIRD ... – PowerPoint PPT presentation

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Title: Delta Air Lines Meteorology


1
Delta Air Lines Meteorology
2
Department Information
  • Began in 1960
  • 12 Meteorologists
  • 2-3 Meteorologists on-shift
  • every hour, every day
  • 1 Surface Forecaster
  • 1-2 Upper Air Forecasters
  • Weather data from WSI and the NWS

3
Primary Customers
  • Flight Control and OCC
  • Flight Operations
  • In-Flight
  • Stations
  • De-Icing Operators

4
Upper Air Products
5
Upper Air Hazards
6
Upper Air Turbulence Chart
7
Upper Air Turbulence Chart
8
Metro Alert Example
SE1 031908-041500 SOUTH CENTRAL RE
GION OVR MS-GA-SC-NC..FM SJI-MCN-CAE-RDU..
100NM WIDE LINE OF LGT-MDT TURBC AT FL340-390/TR
OP MOVG SE 10KTS.
9
Flight Planning Message Example
NORTH ATLANTIC EBND FLT PLANNING MSG - 14 NOV
08 / 1. COLD TEMPS..ERN TRACKS-EUROPE (FL370-
390)..SEE MAP / 2. RTES/FLS.. COASTAL NEW EN
GLAND SUGG AOB FL320..NBFL LOWER.
OVR SERN CANADA SUGG FL340-360..NBFL HIGHER.
TRACKS/SRN RANDOMS (32-20W) SUGG
FL310-340..NBFL HIGHER. OVR WRN EUR MIN COST.
.NBFL HIGHER. SCANDINAVIA/ERN EUROPE/WRN RUSSI
A SUGG 270-340..NBFL HIGHER.
/ 3. ETPS.. YYT/YQX/YJT/YYR..USEABLE. KEF/TER
..USEABLE. DUB/GLA..USEABLE. TRD/OSL..USEABLE.
LIS..USEABLE.
10
Sigmets
  • BICC 071315 BIRD SIGMET 02 VALID 071315/071615
    BIRK- BIRD
  • REYKJAVIK CTA MOD OCNL SEV TURB OBS AT 1300Z AND
    FCST WI N61
  • W026 - N61 W018 - N6230 W018 - N6230 W026
    FL290/350 MOV E 25KT
  • NC
  • RESPONSE
  • METR-3
  • REFERENCE BIRD SIGMET 02
  • /
  • PIREPS NO REPORTS OF SEVERE TURBC RCVD..
  • /
  • BASED ON LATEST DATA..SEVERE TURBC NOT XPCD W/I
    SIGMET AREA
  • ..OCNL MDT PSBL W/I FLS 290-340 THIS AREA THRU
    THE PERIOD
  • /

11
Current Text Distribution
Meteorologist types forecast
Main Frame
Dispatcher Queue
Flights Metro Briefing Message
Flights Affected
12
Upper Air Meteorologists
Monitors PIREPS for icing and turbulence Vo
lcano Activity Suggests Smoothest Flight L
evels
13
Surface Desk
  • Normal Operations
  • 12 hour shifts
  • 3 Shift change briefings with stations
  • Dispatcher Briefings
  • Planning briefs for the week/weekend
  • TAFs
  • 3x daily conference call w/NWS(FFC), CWSU
  • Irregular Operations (IROPS)
  • Provide additional products for
  • Tropical activity
  • Major snow storms

14
Surface Products
15
TAF Cities
LGA, JFK, EWR
BOS
SLC
CVG
PHL
DELTA TAF CITIES
DCA, IAD, BWI
LAX
ATL
MCO
16
Delta TAF Example
  • TERMINAL FORECAST
  • ATL DL 231405 AMD 02 VALID 231405-240400 UTC
  • FM231400 09010KT 2SM -RA FG OVC003 TEMPO 1SM
    -RA FG
  • FM232000 17010KT 2SM -RA FG OVC008
  • FM232200 29010KT 5SM -RA OVC010
  • FM240000 31012KT 7SM OVC015
  • DISCUSSION LOW CIGS WILL IMPROVE AFTER FRONT
    MOVES THRU AND WINDS BECOME WESTERLY.
  • Extra fuel and alternates are needed when clouds
    are below 1000ft or visibility is below 2SM or
    thunderstorms are forecast.

17
TAF Exemption - 8575
  • - Reduces requirement for destination alternate
  • - Ceiling and visibility requirement of 1,000ft
    and 2SM
  • - Must maintain at least CAT I or CAT II approach
    capability
  • ATL
  • FM131100 VRB03KT 7SM SCT250
  • FM131600 15005KT 7SM BKN200
  • FM132300 16005KT 7SM OVC080
  • FM140300 16006KT 5SM -RA OVC040
  • FM140700 17006KT 3SM -RA OVC015
  • FM141400 21006KT 4SM -RA OVC018

18
Crosswinds - DCA
Runway 04/22 4911 feet Runway 15/33 5204 feet
Runway 01/19 6869 feet Our aircraft fleet gene
rally prefers 5500ft. Leaves operation on Runway
01/19 Strong winds from the west or east cause cr
osswind issues.
19
DCA
KDCA 130539Z 1306/1406 30015G30KT P6SM SKC FM1312
00 30014G25KT P6SM SKC FM131500 31016G30KT P6SM F
EW050 FM132100 32014G22KT P6SM SCT050 SCT090 FM
140000 34010KT P6SM SCT090
20
Deicing Chart
21
Deicing Chart
22
Hurricane Chart
23
Deicing Chart
24
Long Range Planning Forecast Day 1- 5
25
Delta Meteorology Provides
  • Flight Planning System uses GFS Wind forecast.
  • Back-up source is UKMO.
  • Also Supply
  • Radar
  • Satellite
  • Lightning
  • Charts
  • Text Data (METARS, TAFS, SIGMETS, etc)

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32
AFDs
  • Other products used
  • MOS guidance
  • ADDS page (java METAR display)
  • CCFP discussions
  • Clickable map
  • Used in planning forecasts
  • 3 day/5 day long range
  • Verbal briefings

33
Common Questions My weather radar/decing beca
me inop. Can I continue to my destination?
Will that broken line of thunderstorms become
solid? What does that unusual code in the TAF/
METAR mean? What is the best alternate?
What do you think about the SIGMET?
34
Northwest Meteorology
  • Provides weather support for the following
    customers Continental, Southwest, KLM, Alaska,
    Mesaba, Pinnacle, Compass, Micronesia and
    ExpressJet.
  • Products for internal and external customers
    include
  • 40-45 Scheduled TAFS
  • TAFS on request
  • Graphical Charts
  • Turbulence Warnings
  • Verbal Briefings with Dispatchers
  • Deicing Charts

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