1. National Weather Service Aviation Services

2. Objective  To outline all National Weather Service Aviation Products and Services from Aviation Weather Center (AWC), Center Weather Service Units (CWSUs) and Weather Forecast Offices (WFOs).

3. WFO: Routine Aviation Products  AVIATION FORECAST DISCUSSION (AFD)  TERMINAL AREODROME FORECASTS (TAFS) Additional Aviation Products  AIRPORT WEATHER WARNINGS (AWW)  (Select sites)  Issued at the request of the airport

4. AFD Background  ISSUED 4-TIMES DAILY:  More frequently based on need  OEP Airfields (Operational Evolution Partnership Plan)  OEP TAFs issued every 3-hrs Beginning June 2010  DISCUSSION FOCUSED ON TAF:  Forecaster conveys confidence  What could go wrong with the TAF?  Why different from National Digital Forecast Database?  WEATHER IMPACTS TO AVIATION  VFR/IFR or BELOW  Wind Shifts  Link: https://aviationweather.gov/testbed/afd/ https://aviationweather.gov/testbed/afd/ OEP Airports Map of Aviation AFD Interface

5. TAF: Background  ISSUED ROUTINELY:  00Z/06Z/12Z/18Z  Definition: 5 mile radius / vicinity covers the 5 to 10 mile radius:  PRECISION AIRPORT FORECAST:  Wind  Direction/Speed  Expected Weather  Visibility  Cloud Height  Expected Significant Weather  Low Level Wind Shear (If needed) KJFK 181730Z 1818/1918 17012KT P6SM -RA BKN035 FM182200 22015G25KT P6SM -RA BKN025 OVC035 WS020/20050KT FM190000 24017G30KT 4SM -RA BR OVC035 WS020/22050KT FM190200 27010KT P6SM -RA BKN035= VC 5-10SM KJFK 5-10SM 0-5SM

6. TAF: Additional Information  HIGH IMPACT AIRFIELDS (OEP Terminals):  At a minimum: TAFs issued eight times per day (every three hours)  AMENDMENTS:  Generally focus on hours two to six  30-HR TAFs:  Select Sites: KATL The William B. Hartsfield Atlanta International KBDLBradley InternationalKBOS General Edward Lawrence Logan International KBWI Baltimore-Washington International KCLE Cleveland Hopkins International KCVGCovington/CincinnatiKDEN Denver International KDFW Dallas/Fort Worth International KDTW Detroit Metropolitan Wayne County KEWRNewark Liberty InternationalKIAD Washington Dulles International KIAH Houston – George Bush Intercontinental KINDIndianapolis InternationalKJFKJohn F. Kennedy InternationalKLAX Los Angeles International KMKE General Mitchell International KMSP Minneapolis-St Paul International/Wold- Chamberlain KOAK Metropolitan Oakland International KONT Ontario International KORD Chicago-O’Hare International KPHLPhiladelphia InternationalKPITPittsburgh InternationalKSAN San Diego Int’l – Lindbergh Field KSDF Louisville, Int’l Standiford Field KSEA Seattle-Tacoma International KSFOSan Francisco InternationalKSLC Salt Lake City International KSTL Lambert-St Lewis International KSWFStewart InternationalPANC Ted Stevens Anchorage International PHNLHonoluluPAFAFairbanks

7. AIRPORT WEATHER WARNINGS (AWW)  ISSUED FOR SELECT AIRFIELDS CONCERNING THE FOLLOWING…  High Wind  Freezing Rain  Sleet  Heavy Snow  Lightning  Hail (greater than ¼ of an inch)  THRESHOLDS VARY AT EACH SITE AIRPORT WEATHER WARNING FOR XXX AIRPORT. NATIONAL WEATHER SERVICE XXX 130 PM EDT THU AUG 13 2009 SOUTH WINDS 30 KTS GUSTING 40 KTS...BEGINNING 200 PM...DECREASING AND SHIFTING TO THE NORTHWEST BY 500 PM

8. Aviation Climatology Allows the user to view graphs of climatological data for aviation-specific elements such as ceiling, visibility and flight category. Climate period for these graphs is 1973-2009 OEP airfields are included. Please remember to disable pop-up blockers. Available by visiting http://www.erh.noaa.gov/avnclimo/

9. Center Weather Service Units Mission: Center Weather Service meteorologists provide weather support and consultation to FAA air traffic managers and controllers. Rerouting of aircraft around hazardous weather is based largely on forecasts provided by CWSU meteorologists. Northeast CWSU Locations  New York Center (ZNY)New York Center  Boston Center (ZBW)Boston Center  Washington Center (ZDC)Washington Center  Cleveland Center (ZOB)Cleveland Center Map of FAA Air Route Traffic Control Centers

10. CWSU Services In-Person forecast briefings to FAA traffic managers at en-route centers…focused on short-term.In-Person forecast briefings to FAA traffic managers at en-route centers…focused on short-term. Tele-conference forecast briefings to TRACONs, towers, and the FAA Air Traffic Control System Command Center.Tele-conference forecast briefings to TRACONs, towers, and the FAA Air Traffic Control System Command Center. Graphical Forecasts of convection, icing, and compression outlooks for airports and TRACON Gates. Available on web pages.Graphical Forecasts of convection, icing, and compression outlooks for airports and TRACON Gates. Available on web pages. Convection Forecasts and SWAP statements (CWSU New York)Convection Forecasts and SWAP statements (CWSU New York) TAF Collaboration with WFOs for OEP airports.TAF Collaboration with WFOs for OEP airports. Written short-term forecast statements and advisories (Meteorological Impact Statements and Center Weather Advisories).Written short-term forecast statements and advisories (Meteorological Impact Statements and Center Weather Advisories). Other products on web pages!Other products on web pages!

11. Graphical Web Forecasts Wind Speed Outlook for wind impacts below 7,000 feet. Icing forecasts at TRACON Gates.

12. Convective Forecasts New York TRACON Gate Thunderstorm Forecasts New York Center Severe Weather Avoidance Plan (SWAP) Statement SWAP IS EXPECTED AFTER 1800Z. SCT TS ARE EXPECTED TO DVLP OVER PORTIONS OF ERN PA…MD/DE AND VA AROUND 18Z WITH TOPS TO FL430. TS WILL MOVE EWD THRU LATE AFTN INTO THE EVENING OVER ERN ZNY/ZDC. DEVIATIONS ARE PSBL ON ALL JET ROUTES…J95 THRU J75…WITH GREATEST IMPACT XPCD ON J60 THRU J75 NEAR THE WEST GATES. WHITE-WAVEY DEPARTURES WILL LIKELY BE IMPACTED BY 20Z.

13. Weather Briefings Washington ARTCC (KZDC) Meteorological Impact Statement (MIS) ZDC MIS 01 VALID 051400-052000...FOR ATC PLANNING PURPOSES ONLY... NEAR TERM IMPACTS...LGT-MOD ICE ICIP 040-FL180 MAINLY MD DE NJ...POSS INTO DC AND NRN VA. NW SFC WINDS INCRG 10-15 KT G25 KT ESPECIALLY VA N INCLUDG DCA IAD BWI...CHC G30 KT...WITH MOD ISOL SEV TURB BLW 100............................................... Weather Bulletins (not pictured) (AFDs, TAFs, TRACON forecasts, Vertical Wind Profile) for the following: New York City Philadelphia Washington D.C.Cleveland Pittsburgh Detroit Weather Briefing Sheet (see above) for ZBW, ZNY, and ZDC

14. AWC’s Area of Responsibility for Aviation Warnings (SIGMETs)

15. Forecast Operations  Domestic Products  SIGMETs – Aviation Warnings  AIRMETs – Aviation Advisories  FA – Aviation Area Forecast  CCFP – National Airspace System Convective Planning Forecast  SIGWX Low – Significant Low-Level Aviation Graphic  International Products  Significant Weather (SIGWX) High  Global 24-hour High-Level Forecasts  Oceanic SIGMETs  Aviation Warnings for Atlantic and Pacific  FACA and FAGX  Area Forecasts for the Caribbean and Gulf of Mexico

16. Gulf of Mexico & Caribbean Area Forecasts  Supporting –4,000 Operating Oil Platforms –30,000 personnel living on oil platforms –600 Helicopters –1.3 Million flights annually  Weather Forecasts primarily for Helicopter Operations –Clouds –Visibility –Thunderstorms –Rain/Fog –Wind

17. World Area Forecast Center  AWC Is One Of Two World Area Forecast Centers (WAFC) –WAFC – Washington  AWC provides Significant Weather (SIGWX) Forecasts  NCEP Central Operations Provides Wind and Temperature Grids Charts  NWS Telecommunications Gateway supports satellite data broadcasts  World Area Forecast System (WAFS) –Formulated by ICAO and the WMO –Improve the quality and consistency of en-route guidance provided for international aircraft operations across the Globe

18. Operational Automated Products Forecast Icing Potential (FIP) Current Icing Product (CIP) Graphical Turbulence Guidance (GTG) National Convective Wx Forecast (NCWF)

19. Aviation Digital Data Service (ADDS)  A “QICP” Website –Meets the FAA's reliability, accessibility, and security requirements for Qualified Internet Communication Provider (QICP) standards. –Operationally used by part 121 and 135 operators –http://aviationweather.gov/adds  Not just a display capability  Already has many NEXTGEN data service capabilities  ADDS joint developed  NCAR, GSD, and AWC  Operational 2003  Averaging 9 million hits per day  ADDS makes available to the aviation community text, digital and graphical forecasts, analyses, and observations of aviation-related weather variables.

20. The End