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Delta Air Lines Meteorology

Delta Air Lines Meteorology. 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. Primary Customers. Flight Control and OCC Flight Operations

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Delta Air Lines Meteorology

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  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 Delta Meteorology

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

  4. Upper Air Products Delta Meteorology

  5. Upper Air Hazards Delta Meteorology

  6. Upper Air Turbulence Chart Delta Meteorology

  7. Upper Air Turbulence Chart Delta Meteorology

  8. Metro Alert Example SE1 031908-041500 ******* SOUTH CENTRAL REGION ****** OVR MS-GA-SC-NC..FM SJI-MCN-CAE-RDU.. 100NM WIDE LINE OF LGT-MDT TURBC AT FL340-390/TROP MOVG SE 10KTS. Delta Meteorology

  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 ENGLAND: 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 RUSSIA: SUGG 270-340..NBFL HIGHER. / 3. ETPS.. YYT/YQX/YJT/YYR..USEABLE. KEF/TER..USEABLE. DUB/GLA..USEABLE. TRD/OSL..USEABLE. LIS..USEABLE. Delta Meteorology

  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 • / • (FRASCA/1328Z).. • M33 9EE020 071350 FRASCA Delta Meteorology

  11. Current Text Distribution Meteorologist types forecast Main Frame Dispatcher Queue Flight’s Metro Briefing Message Flights Affected Delta Meteorology

  12. Upper Air Meteorologists Monitors: PIREPS – for icing and turbulence Volcano Activity Suggests: Smoothest Flight Levels Delta Meteorology

  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 Delta Meteorology

  14. Surface Products Delta Meteorology

  15. TAF Cities LGA, JFK, EWR BOS SLC CVG PHL DELTA TAF CITIES DCA, IAD, BWI LAX ATL MCO Delta Meteorology

  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. Delta Meteorology

  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 Delta Meteorology

  18. Crosswinds - DCA Runway 04/22: 4911 feet Runway 15/33: 5204 feet Runway 01/19: 6869 feet Our aircraft fleet generally prefers 5500ft. Leaves operation on Runway 01/19 Strong winds from the west or east cause crosswind issues. Delta Meteorology

  19. DCA KDCA 130539Z 1306/1406 30015G30KT P6SM SKC FM131200 30014G25KT P6SM SKC FM131500 31016G30KT P6SM FEW050 FM132100 32014G22KT P6SM SCT050 SCT090 FM140000 34010KT P6SM SCT090 Delta Meteorology

  20. Deicing Chart Delta Meteorology

  21. Deicing Chart Delta Meteorology

  22. Hurricane Chart Delta Meteorology

  23. Deicing Chart Delta Meteorology

  24. Long Range Planning Forecast – Day 1- 5 Delta Meteorology

  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) Delta Meteorology

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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 Delta Meteorology

  33. Common Questions My weather radar/decing became 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? Delta Meteorology

  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 Delta Meteorology

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