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Real-time Tail Doppler Radar Data Server

Real-time Tail Doppler Radar Data Server. Paul Chang, NOAA NESDIS STAR Email: paul.s.chang@noaa.gov Tel: (301)763-8231 Jim Carswell , Remote Sensing Solutions Email: carswell@remotesensingsolutions.com Tel: (508)362-9400. Real-Time Data (RTD) Chronology of Events.

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Real-time Tail Doppler Radar Data Server

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  1. Real-time Tail DopplerRadar Data Server Paul Chang, NOAA NESDIS STAR Email: paul.s.chang@noaa.gov Tel: (301)763-8231 Jim Carswell, Remote Sensing Solutions Email: carswell@remotesensingsolutions.com Tel: (508)362-9400

  2. Real-Time Data (RTD) Chronology of Events Informal efforts conducted since 2003 demonstrating transmission and display of lower fuselage radar data and the 1 Hz serial data stream (flight level, SFMR, etc.) Real-Time Data (RTD) working group established in November 2008 Goals: To define and execute the formal pathways/procedures to flow data from the NOAA aircraft into NCO for operational utilization by NWS Key members: Michelle Mainelli (NCO), Jim Carswell (RSS), Sean McMillan and John Hill (AOC), Paul Chang (NESDIS) and Dan Starosta (TOC)‏ HFIP Observation Team established in November 2008 with one of its goals to: Transmit new data types from P3s (Doppler, AXBT, AWRAP, 1-Hz flight-level, WSRA), including software development. $60K of HFIP funding became available in 3Q FY09 to help support some of the software development work.

  3. Project Objectives Question: Can we help? If so how? • Real-time Radar / Data Server: • Aircraft-ground data communication server will provide in near real-time: • Processed Tail Doppler Radar Profiles (Doppler, spectral width, Z) • Lower Fuselage Reflectivity Profiles • Scientific Data • File Builder will provide: • Radar meta data files to NCO as the data becomes available. Will contain processed Tail Doppler and/or Lower Fuselage radar profiles. • Scientific and AXBT meta data files. • Quality of service will be implemented that monitors aircraft-ground communications and automatically handles disruptions. • Demonstrate capabilities in Winter Storms 2010. National Hurricane Conference – 12/1/2009

  4. Real-Time Data Flow Diagram National Hurricane Conference – 12/1/2009

  5. Project Goals Purpose: Can we help? If so how? • Data Availability: • Provide Tail Doppler Radar profiles, Lower Fuselage Radar profiles and scientific data through same system. • Send data via packets and/or file based. • Extend real-time access of all data to NHC, HRD, STAR and other potential users. • Ground Processing: • Enable ground processing of data versus processing data on board aircraft (e.g. John Gamache’s Doppler processing) by transmitting “raw” profiles. • Data Visualization • Integrate radar data into the RSS Real-time Data Display as mosaic background imagery. National Hurricane Conference – 12/1/2009

  6. Real-time Radar Profile Data • Airborne Server: • Receives data packets from Sigmet processor & extracts radar profiles. • Archives radar profile and ancillary data. • For lower bandwidth data links, further profile data processing implemented (i.e. range gate averaging, bit remapping, compression, Gamache’s Doppler processing) to reduce data rates to within link budget. • Build compressed packetized data and transmits to ground server. • Transmits data as soon as it becomes available. • Ground Server • Receive packetized data, and rebuild radar profile data. • Implement quality of control and ground processing of radar profiles. • Build NCO standardized radar files and send to TOC server as they become available. • Relay data packets to subscribed users. National Hurricane Conference – 12/1/2009

  7. NCO Tail Doppler & Lower Fuselage Radar Files • Each file will contain 10 minutes of profile data. National Hurricane Conference – 12/1/2009

  8. NCO Tail Doppler & Lower Fuselage Radar Files Notes: National Hurricane Conference – 12/1/2009

  9. QUESTIONS ?INTERESTED END USERS ?REQUIREMENTS ? 9 National Hurricane Conference – 12/1/2009

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