03/21/07 MPAR WG, OFCM Community Airborne Platform Remote-sensing Interdisciplinary Suite MPAR Working Group Meeting Office of the Federal Coordinator for Meteorology NCAR Earth Observing Laboratory James Moore, Wen-Chau Lee, J. Vivekanandan, Eric Loew, Scot Spuler,

03/21/07 MPAR WG, OFCM Addressing Mesoscale processes TC research and forecasting Measuring Aerosol and Cloud Structure BL and full depth structure and tracking Climate Change Components (e.g. clouds, Precipitation, water vapor, aeorsols) Impacts local, regional and global Data assimilation and model validation CAPRIS Research Highlights

03/21/07 MPAR WG, OFCM Eye safe Lidars Phased array CM radar World class aircraft platforms Real-time Data processing and display Processed data satellite relay to the ground Ground based deployment CAPRIS Technology Highlights

03/21/07 MPAR WG, OFCM Mid-Size Infrastructure for Atmospheric Sciences ATM maintains a mid-size infrastructure account that can be used to build and/or acquire community facilities. Several groups will be competing for available funds General Considerations (highlights) Community facility Available funds for larger projects Instrumentation and observing platforms are eligible Partnerships with university, federal, private, or international institutions are encouraged. EOL has been encouraged to submit a White-paper for CAPRIS Key time for community comment and advice on present concepts Revised White Paper Document due to NSF Mid March 2007 NSF ‘go-ahead’ decision for full proposal expected in summer 2007 NSF funding decision anticipated in fall 2007 The NSF Opportunity

03/21/07 MPAR WG, OFCM InstrumentScience Polarimetric airborne centimeter Doppler Radar – C or X bands Hurricanes, severe storms, convection initiation, tropical meteorology. Kinematics and microphysical processes. Pod based dual-wavelength, dual- polarization, millimeter wave Doppler radar – W, Ka Bands Cloud and drizzle microphysics, ice microphysics, and cloud radiation properties H 2 O Differential Absorption Lidar (DIAL), O 3 DIAL, Doppler Wind Lidar (UTLS and PBL systems) CO 2 DIAL, Vegetation Canopy Lidar Climate change, fluxes and transport of water vapor, ozone, and pollutants from boundary layer to UTLS, gravity waves Community Airborne Platform Remote-sensing Interdisciplinary Suite (CAPRIS)

03/21/07 MPAR WG, OFCM Examples of Combined Measurements Cai et al. (2006)

03/21/07 MPAR WG, OFCM CAPRIS Configurations -- Airborne CM-Radar Four active element scanning array (AESA) conformal antennas –C band side-looking –X band top, bottom looking Dual Doppler (V, σ v ) 4 x resolution of current system due to simultaneous fore and aft beams from all four antennas Dual polarization H,V linear – Z H, Z DR, K DP, LDR, RHO HV MM-Radar Dual polarization H,V linear –Z H, Z DR, K DP, LDR, RHO HV Dual wavelength (W,Ka) Pod-based scanning Doppler (V, σ v )

03/21/07 MPAR WG, OFCM Lower AESA Upper AESA Starboard AESA Port AESA W, Ka band Pod C-130 front view Possible CAPRIS Radar Positions on C-130

03/21/07 MPAR WG, OFCM WXR 700 C Weather Avoidance Radar Port AESA Starboard AESA Rear Ramp AESA Composite Surveillance Scan for C-130 using CAPRIS CM radar and Onboard Weather Surveillance radar Top AESA

03/21/07 MPAR WG, OFCM HIAPER Cloud Radar (HCR) Position in the Pod on the GV

03/21/07 MPAR WG, OFCM General Locations of AESA antenna beams (blue tint), MM radar Beams (green tint) and Lidar beams (purple) on NCAR C-130 Aircraft

03/21/07 MPAR WG, OFCM The ‘Community’ in CAPRIS A Development Partnership Institutional Collaboration (24 people from >6 groups) Scientific and Technical Collaboration (20 people from >15 Educational Institutions) Town Hall Meetings at Major Conferences (ERAD, AGU, AMS Special Visit to institutions for seminars Special Focus Round tables (Mesoscale and Biogeosciences Seminars adjunct to Project Workshops International Exchange (e.g. ICMCS, Taiwan, Japan, Germany)

03/21/07 MPAR WG, OFCM Three Major AESA Options X-band dual-pol, alternating H,V transmit/receive C-band dual-pol, simultaneous H,V transmit/receive Wide-band (X,C) dual-pol, simultaneous H,V transmit/receive

03/21/07 MPAR WG, OFCM OptionsBeamwidth (θ h x θ v ) Sensitivity 10 km Co-Polar Variables Cross-Polar Variables Along Track Res. (m) X-Band Dual-Pol 1.3° x 1.1°-9 Z H,Z DR,K DP, RHO HV LDR150 C-Band Dual-Pol 2.0° x 1.6°-4 Z H,Z DR,K DP, RHO HV None130 Wide-Band (X,C) Dual-Pol 1.2° x 1.0° (X) 2.0° x 1.6° (C) -10 (X) -2 (C) Z H,Z DR,K DP, RHO HV None150/130 ELDORA 1.8° x 2.0°-11 ZHZH None300 Technical Characteristics AESA Airborne Configurations

Some Final Thoughts on CAPRIS Community resource for addressing key science questions Airborne and ground based deployment options Radar and lidar components Community input to design requirements Seeking collaboration with community, agencies and industry Active testbed for R&D and collaboration