NOAA Products Validation System (NPROVS / NPROVS+)
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1 NOAA Products Validation System (NPROVS / NPROVS+) Tony Reale (STAR) Michael Pettey, Bomin Sun Frank Tilley, Charles Brown (IMSG) NOAA / JPSS funded
2 OUTLINE NPROVS / NPROVS+ Overview Timeliness of GRUAN Results Future
3 NCEP GTS & CFSR Radiosondes NUCAPS (STAR SCDR) NOAA IASI MetOp-A (OSPO) MetOp-B (STAR FTP) MIRS NOAA-18,19 MetOP-A,B DMSP F18 (STAR FTP & OSPO) AIRS (NASA) EUMETSAT IASI MetOp-A,B (OSPO) GRUAN & DOE/ARM Radiosondes ATOVS NOAA- 18,19 MetOp- A,B (OSPO) GOES (OSPO) GRAS (EUMETSAT) COSMIC (UCAR) 2-day delay Users Web ftp 65.5 GB NPROVS NPROVS Collocation Archive Visualization and Monitoring Programs NPROVS+ Collocation Archive NPROVS+ Algorithm Development (re-retrieval) ftp Internal Users 14-day delay VALAR (Sensor data)
4 NPROVS / NPROVS+ Collocation Strategy Given the RAOB launch location/time Identify all SAT soundings within +7 to - 6 hour and 150km (250km for GPSRO) of RAOB Select single closest SAT in time then space For NPROVS store single closest SAT for NPROVS+ store single closest plus all SAT sounding within +/- 250 km of RAOB for NPROVS+ also append Sensor Data Records (for S-NPP) Do above for each SAT collocation data record Repeat for each RAOB Compile daily; maintain long term collocation archives
5 Typical NPROVS Global (1000 collocations per day)
6 GCOS 6
7 X X X GRUAN and JPSS funded Dedicated (S-NPP) RAOB Sites Over 6000 RAOBS (500+ Dedicated) available since July 2013
8 NPROVS+Ground Data Acquisition GRUAN Data Products RAOB via FTP from GRUAN Lead Centre and NCDC DOE/ARM RAOB (funded by JPSS) via Standing order FTP from DOE/ARM archive and ARM web site (different for each site) Others (AEROSE, PMRF, CALWATER2, etc)
9 Example launch schedule / update for Dedicated ARM ENA 9
10
11 ProfileDisplay (PDISP)
12 Maritime 2008 to present (weekly values)
13 Download NPROVS collocation files Download the two (2) Java apps: PDISP NARCS NPROVS Website
14 X X X GRUAN and JPSS funded Dedicated (S-NPP) RAOB Sites Over 6000 RAOBS (500+ Dedicated) available since July 2013
15 Timeliness of GRUAN/Dedicated data is important to facilitate collocation with multiple satellite data systems NPROVS+ operates in a 7 day delay
16 Summary of GDP RAOB Timeliness
17 RESULTS (all results aligned to 101 RT pressure layers)
18 Path width COSMIC GPSRO Tdry as a reference UT/LS and Stratosphere (5 hpa) T
19 Vaisala RS92 RAOB-minus-COSMIC Tdry All sample Summer (solid), winter-minus-summer (dashed) Nite Summer warmer 57,200 profiles NPROVS 2011, 2012 (Sun et.al JGR 2012, 2014) (SUNCOR to (?) Replace RADCOR at NOAA NWP)
20 NPROVS+ : +/- 3hr and 250 km to COSMIC
21 NPROVS Day X-minus-RS92
22 NPROVS Nite
23 NPROVS Jan 2015 Day X-minus-GRUAN X-minus-Modem
24 VAISALA-minus-GRUAN RS92
25 Polar/mid-lat Day Polar/mid-lat Nite Tropic Day Tropic Nite VAISALA-minus-GRUAN RS92 (Dynamo) H20 Vapor fraction (%)
26 GRUAN Reference Measurement Principles Two observations on different platforms are consistent if: m m2 < k σ + u1 u2 at this preliminary stage: K = ABS(X GRUAN) / u2 where X either SAT or NWP
27 GPSRO a question of SIGMA
28 Temp H20 Vapor Preliminary K analysis GRUAN RAOB vs NWP RAOB better at measuring Temp than Moisture?
29 Future Expansions New TTAM Action Item 92: Demonstrate NPROVS+ dataset management and graphical tool to merge/inter-compare respective GRUAN atmospheric profiles (RAOB, AM, SASBE for process studies!) and associated satellite cal/val applications For Selected Sites: Generate Respective AM T, H20 Profiles + Uncertainty Thierry / TTAM Generate Associated SIGMA(s) for K analysis GATNDOR / Gardiner Generate Associated SASBE, uncertainty and SIGMA and provide K analysis Dykema / Tobin / Reale. Above done when RAOB in air. Above done when SAT (GPSRO) overhead (UT/LS and Strato T) Implies attention to target golden dataset of synchronized AM, RAOB and SAT (GPSRO) 3G s 29
30 SUMMARY NPROVS/NPROVS+ leveraging at STAR for Satellite cal/val NPROVS+ Identified in NOAA/GRUAN Oversight Group Processing of GRUAN and Dedicated with Satellite facilitated by timeliness Feedback to LC Focus on GPSRO and Rad Correction of RAOB K Analysis integrates uncertainty Future Expansion to AM and SASBE Profile integration and support 30
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