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Transcript of TAMDAR: GLOBAL WEATHER SOLUTIONS. AIRDAT HISTORY © 2013. Proprietary and Confidential The TAMDAR...
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TAMDAR: GLOBAL WEATHER SOLUTIONS
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AIRDAT HISTORY
© 2013 . Proprietary and Confidential
• The TAMDAR goal:• Deliver all metrics of weather balloons from commercial aircraft
• Assure space-time data coverage for airports sector
• GPS stamp all data
• Add additional electronic pilot reports (icing, turbulence, temp)
• Initial focus on regional aircraft to provide better geographic coverage
• AirDat was founded in 2003
• First STC and operational weather data in 2004
• Assets purchased by Panasonic Avionics Corporation in 2013
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Tropospheric Airborne Meteorological Data Reporting
• Delivers a unique real-time high resolution data stream for improved atmospheric analysis and weather forecasting
• Patented and operational on commercial aircraft since 2004
• Goal: Deployment of TAMDAR and development of superior atmospheric information tools driven by the TAMDAR dataset
• Panasonic Avionics Corporation is expanding the TAMDAR network worldwide
TAMDAR
© 2013 . Proprietary and Confidential
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THE TAMDAR SYSTEM
© 2013 . Proprietary and Confidential
• Multi-function atmospheric sensor installed on aircraft (and UAS)
• Two-way real time Iridium satellite link
• Dedicated data center for quality monitoring, archiving, and distribution systems
• Development and integration of customized forecasts and weather applications
• Enhanced forecast models
• High-speed computing resources
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TAMDAR GLOBAL COMMUNICATION
© 2013 . Proprietary and Confidential
Iridium satellite constellation(global, secure, high availability)
• Autonomous communication to and from any TAMDAR-equipped aircraft, at any altitude or location worldwide (even on the ground)
• Low message latency (near real-time)
• Channel also available for:
Other data transmission Text messaging to/from aircraft Backup voice channel Aircraft tracking
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KU BAND COVERAGE
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TAMDAR DATA QA and FORECAST MODELS
© 2013 . Proprietary and Confidential
Panasonic’s powerful computing clusters run proprietary
WRF/RTFDDA
• Multi-Layer automated quality assurance through proprietary algorithms
• Data distributed, archived, and ingested into proprietary weather models
• Weather Research Forecasting (WRF) model with Real Time Four Dimensional Data Assimilation (RTFDDA)
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Measures and reports:
• Ice presence
• Static pressure and pressure altitude
• Air temperature (Mach corrected)
• Relative humidity
• Indicated and true airspeed
• Winds aloft
• Turbulence (EDR, median and peak)
• GPS lat/long/alt/time
THE TAMDAR SENSOR
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Optimized for Unmanned Aerial Systems
• Reduced size, weight, and power
• Worldwide deployment options for improved local forecasts
• Innovative, light-weight materials
TAMDAR-U
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• System is automatic, begins sampling during take-off
• Sampling rate flexible, changeable in real-time
• Uses an automatic pressure based sampling program:• High resolution sampling on ascent/descent (~300’ intervals)
• Time based sampling in cruise (5 to 7 minute intervals)
• Triggered reports in dynamic conditions
• Custom reporting available
• 40,000+ observations and ~2500 soundings daily
• Real-time data access through the AirMap portal
WEATHER DATA TRANSMISSION
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• Global SATCOM voice & data via Iridium
• Automated Out-Off-On-In times and other aircraft data
• Real-time global aircraft position reports
• Airborne datalinked weather
• Weather data downlink
• Auto-PIREPs
• Data base of all flight histories
• Asset tracking
BENEFITS TO PARTNER AIRLINES
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• TAMDAR Probe
• SATCOM Transceiver and Aircraft Interface Unit
• Antenna
TAMDAR6000C Sensor
Aircraft Skin
Antenna
GPSIridium Iridium
SATCOMAircraft Audio
SATCOM Control
ARINC Protocols
TAMDAR AIRBORNE SYSTEM – 3 UNITS
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• Processing Unit: 3MCU, ARINC 600 installation• Communications, data processing
• RS-232, RS-422, and discrete inputs/outputs• ARINC 429 and 717 inputs/outputs • Single SATCOM transceiver• DO-178B level E software• Aircraft audio• Ethernet
ON BOARD TAMDAR SYSTEM
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• Weather• TAMDAR processing• GPS position• AirMap data• ARINC 620 weather data
• Antenna• Active GPS (TAMDAR)• 2 Iridium SATCOM
ON BOARD TAMDAR SYSTEM
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ERJ-190 Integration Configuration
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Transmission of atmosphericobservations
Databasesstore observations,
quality analysis, and system control
information.
Delta Houndperforms automated quality analysis and
provides quality assessment tools.
Iridium
AirDat Personnel (meteorologists and engineers) evaluate TAMDAR health and
adjust filters.
TAMDAR Sensors
High quality data is extracted for use by operational
meteorologists, aviation support systems, and forecasting systems.
= Quality Assurance Components
AirDat TAMDAR System Overview
Real-Time Quality Filters
validate incoming observations and set data quality
flags.
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Databasesstore observations,
quality analysis, and system control
information.
Delta Houndperforms automated quality analysis and
provides quality assessment tools.
Iridium
AirDat Personnel (meteorologists and engineers) evaluate TAMDAR health and
adjust filters.
High quality data isextracted for use.
AirDat Real-Time Quality Filters
TAMDAR Sensors
Quarantine Filters
Measurments Before QA:Banking, IAS, Alt’, Temp°C,Wind, RH1%, RH2%, etc…
Banking, IAS, Alt’, Temp°C,Wind, RH1%, RH2%, etc…
Measurement Assessment
Interdependency Checks
Banking, IAS, Alt’, Temp°C,Wind, RH1%, RH2%, etc…
Banking, IAS, Alt’, Temp°C,Wind, RH1%, RH2%, consensusRH%, etc… Alt’, Temp°C,
consensus RH%
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18TAMDAR® observation
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TAMDAR winds
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TAMDAR coverage in Mexico
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TAMDAR in Europe
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Background
23
Note: Over 100 daily soundings fromLGA, JFK, EWR
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The 2 images show TAMDAR data from flights into/out of BUF +/- ~3h from 10 pm.
The solid triangles indicate icing, and the hollow triangles indicate icing with heaters activated.
The TAMDAR heater remains activated throughout the descent, so the ice accretion rate is > 0.02” / min.
BUF
BUF
Crash site
Crash site
TAMDAR observations around the time of the Colgan crash
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The first sounding, valid 9 pm, shows a substantial layer of saturated air below 6000' between -9 and -2C -- the temperature window that most supports the existence of supercooled water.
The second sounding, valid 11:20 pm, shows the sub-0C saturated layer has dropped to 3000' and belowBoth soundings suggest favorable conditions for supercooled water to freeze upon airframe contact.
TAMDAR observations around the time of the Colgan crash
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NextGen Aviation Weather Impact DataAirDat Augmented WRF Model Icing Impact Forecast
WRF forecast model projections improved with TAMDAR icing observations.– 3-D weather impact poly-regions conveyed as Airspace Volumes of Interest.
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End-to-End Impact/Alert Data Flow
STARS display of AirDat derived Weather Volumes. Note two aircraft within altitude threshold predicted to enter volumes display a “WX” alert in datablock.
STARS Icing Alerts NextGen Net-enabled Weather
Icing Impact Alert
Copyright © 2011 Raytheon Company. All rights reserved.27
91st American Meteorological Society Annual Meeting
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NEXTGEN: NNEW & NWP
© 2013 . Proprietary and Confidential
Weather State Information
High-Resolution Modeling
Information Integration
Information Displays
ATM Decision Support Tools
ATM Impact Analysis Tools
Raytheon, AirDat, and Metron Aviation have teamed to support two major FAA NextGen weather programs with superior weather information, integrated displays, and decision support solutions: • NextGen Network Enabled Weather (NNEW)
• NextGen Weather Processor (NWP)
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WHY TAMDAR?
Validated by NOAA via 4-year FAA-funded TAMDAR impact study*
• Temperature 3-hour forecast errors are reduced by up to 28%.
• Wind forecast 3-hour errors are reduced by up to 10%.
• Relative humidity 3-hour forecast errors are reduced by up to 50%.
*William Moninger, 13th Conference on Integrated Observing and Assimilation Systems for Atmosphere, Oceans, and Land Surface American Meteorological Society, January 2009
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Improvements in forecast skill:TAMDAR over without-TAMDAR,(RAOBs used as "truth“)
NOAA's most optimized model for aircraft data is RUC
AirDat 3D-Var WRF is essentially the same code as NCAR 3D-Var WRF
AirDat RT-FDDA and 4D-Var WRF are best suited to utilize asynoptic observations
TAMDAR IMPROVES ALL MODELS
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TAMDAR CASE STUDIES
© 2013 . Proprietary and Confidential
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Five-hour forecast - NO TAMDAR
PEARSON INTL AIRPORT
Five hour forecast - WITH TAMDAR
ab
PEARSON INTL AIRPORT
Hazardous winds
1-h 10-m winds (kts, averaged from fcst hour 4 to 5)showing UPDRAFT (a) and DOWNDRAFT (b) regions.
1-h 10-m winds (kts, averaged from fcst hour 4 to 5)showing NW flow.
Surface wind forecast comparison, Toronto Airbus incident (August 2005)
TAMDAR IMPROVES WINDS FORECASTS
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AirDat Old TropicalAirDat New TropicalNOAA GFSEObserved Track
“Superstorm” Sandy
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3434
84 h forecasted track for Ike - AirDat, NCEP, and NHC (inset)
34
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3535
Successive AirDat WRF Runs
35
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L
Shortwave trough 2
Shortwave trough 1
L
L
Shortwave trough 1Shortwave
trough 2
RidgeRidge
Synoptic Overview (NCEP)Synoptic Overview (AirDat)
36
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North Carolina Tornado Outbreak 16 April 2011
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12 Hours Ahead
AirDat (RTFDDA) NWS (NAM)
18z Actual Radar
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12 Hours Ahead
AirDat (RTFDDA) NWS (NAM)
18z Actual Radar
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12 Hours Ahead
AirDat (RTFDDA) NWS (NAM)
18z Actual Radar
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12 Hours Ahead
AirDat (RTFDDA) NWS (NAM)
18z Actual Radar
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CONTACT INFORMATION
© 2013 . Proprietary and Confidential
Jeff RexPanasonic Weather Solutions2535 South Lewis Way, Suite 203Lakewood, CO, US 80227+1 (303) [email protected]