C-130 Flight Plan Refinement Cross-section –lose MASTER? return leg at 3 km? –length of outbound legs? number of levels? POC-drift/lagrangian –fewer levels.

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Presentation transcript:

C-130 Flight Plan Refinement Cross-section –lose MASTER? return leg at 3 km? –length of outbound legs? number of levels? POC-drift/lagrangian –fewer levels in stack (subcloud, cloud base, cloud top, free-troposphere) –run length 16 minutes, impactor aggregation Cosampling with RHB –strawman

C-130 Cross-Section Sampling GOAL: Repeatable characterization of lower tropospheric structure, clouds, aerosols/chemistry, surface fluxes along 20 o S Probably 5 flights with this plan Same time of day? Depart at 03 hr local, return 12 hr. 20 o S, o W

C-130 Cross-Section Sampling below cloud: LWP, subcloud aerosol/chemistry, MBL turbulence, WCR, cloud base in cloud: microphysics/turbulence/chemistry, WCR above cloud: WCR, MASTER, FT aerosols 20 o S, o W

C-130 Cross-Section Sampling - New below cloud: LWP, subcloud aerosol/chemistry, MBL turbulence, WCR, cloud base in cloud: microphysics/turbulence/chemistry, WCR above cloud: WCR, MASTER, FT aerosols 20 o S, o W

POC-Drift missions (C others) below cloud: LWP, subcloud aerosol/chemistry, MBL turbulence, WCR, cloud base in cloud: microphysics/turbulence/chemistry, WCR above cloud: WCR, MASTER, FT aerosols

POC-Drift missions (probably 4/5 flights) 100 km long runs (16 minutes) crossing boundary between open and closed cells, drift with the mean wind Three stacks: legs below cloud, cloud base, in cloud, cloud top, above cloud (100 mins including profile) Profiles after each stack at least 1 or 2 in clear sky if possible Synergy with ship Multi-flight, multi-aircraft sampling (Lagrangian), possible RHB synergy Some during day, some night

Repeatable cosampling with RHB

What will we get? Unique dataset combining strengths of C-130 and RHB –important intercomparison opportunities –3D dynamics of the drizzling cells from 90 o C- band RHI/WCR samples around the circles –subcloud leg: aerosol characterization, LWP, cloud base –cloud leg: in-situ cloud microphysics and turbulence –FT leg: horizontal structure of drizzling cells from WCR and C-band RHI scans, aerosol characterization

How often? All cross-section flights POC-drift lagrangian flights?

SST Mission Map out horizontal variability of SST using C-130 Feasible?

C-130 Payload Issues Proposed instruments What can be sampled where (below/above cloud)

Standard instruments: Microphysics, Turbulence, Thermodynamics suite Remote sensing: Wyoming Cloud Radar (zenith+nadir+slant), Cloud Lidar (zenith), Microwave radiometer (183 GHz, zenith), MODIS Airborne Simulator (MASTER, nadir), BBRs Chemistry/aerosols/clouds: LDMA, RDMA, ToF Mass Spec, nephelometer, PSAP, CN counters (+ultrafine), CCN, CVI, Cloud water collector, Impactors, PDPA, 2D-S, fast FSSP Dropsondes NSF C-130 Payload

IN-CLOUD THERMODYNAMICS/MICROPHYSICS Instrument Requirement Contact PVM-100 Liquid Waterwing storeNCAR / RAF SPP-100wing storeNCAR / RAF SPP-200wing storeNCAR / RAF SPP-300wing storeNCAR / RAF PMS-260Xwing storeNCAR / RAF PMS-2D:Cwing storeNCAR / RAF OPHIR Radiometric Temwing podNCAR / RAF SPEC 2D-S Cloud Imagerwing storeSPEC Inc Potential others: PDPAwing storeChuang/UCSC Fast FSSP (FFSSP)wing store Brenguier/ Meteo France

GAS PHASE CHEMISTRY Instrument Requirement Contact APIMS – SO2 yes-belly 1 Alan Bandy? APIMS – DMS yes-belly 1 Alan Bandy? UV Resonance Fluor. – CO share NCAR / RAF TECO – O3 (slow) share NCAR / RAF NO chemiluminescence – O3 (fast) share NCAR / RAF

IN-CLOUD CHEMISTRY Instrument Requirement Contact Liquid Water Collectorwing store Jeff Collett/CSU CVIyes-L1 Cindy Twohy/OSU

REMOTE SENSING and OTHER Instrument Requirement Contact Wyoming Cloud Radar (WCR)yes-16” up Leon/UWYO Wyoming Cloud Lidaryes- 8” upLeon/UWYO Wyoming Microwave Radiometer (183 GHz) wing storeLeon/UWYO NASA MASTERAIMR slot ??Platnick Differential GPSn/aNCAR / RAF Dropsondes ramp NCAR / RAF

OUT OF CLOUD AEROSOL Instrument RequirementContact 5 stage MOI & APS on LTI Inletyes-R2 Huebert/Hawaii Total Aerosol Sampleryes-L3Huebert Wyoming CCN Counterinlet?Snider/UWYO Streaker on LTI, SEM, TEMLTI Anderson/ASU PC-BOSS, EGA analysisnoHuebert TSI 3010, 3025 CN counter yes-R1 (SDI) Howell&Clarke DMPS and APSSDIHowell&Clarke PSAPSDI Howell&Clarke 3 wavelength TSI nephelometerSDIHowell&Clarke Real time AMSSDI Howell&Clarke Giant Aerosol Impactor yes-16” down Jensen/NCAR NCAR RCAD & Aerosol System NCAR / RAF