Monday, September 12

09:00-10:45

Morning Session 1

Methodology 2 – Processing

(Chair: J. P. Weiss)

09:00-09:15

Impact of the GNSS clock rate on Radio Occultation bending angles

S. Padovan, Y. Andres, S. Paolella, A. Von Engeln, R. Notarpietro, L. Butenko, F. M. Alemany, F. Sancho, and C. Marquardt – Abstract, Presentation

09:15-09:30

Precise Orbit Determination of Low Earth Orbiting Satellites for Climate Applications Including Uncertainty Estimation

J. Innerkofler, C. Pock, G. Kirchengast, M. Schwärz, A. Jäggi, Y. Andres, and C. Marquardt – Abstract, Presentation

09:30-09:45

On the impact of signal cutoff and smoothing on systematic and random uncertainty in RO retrievals

C. Marquardt, Y. Andres, L. Butenko, A. von Engeln, F. Martin-Alemany, R. Notarpietro, S. Padovan, S. Paolella, and F. Sancho – Abstract, Presentation

09:45-10:00

L1-L2 bending angle fitting and L2 extrapolation in the troposphere

S. Paolella, A. Von Engeln, S. Padovan, R. Notarpietro, Y. Andres, F. Martin Alemany, L. Butenko, C. Marquardt, and F. Sancho – Abstract, Presentation

10:00-10:15

Radial asymmetry correction assessment by end-to-end simulations and analysis of RO data

V. Proschek, M. Schwärz, J. Innerkofler, S. Syndergaard, and G. Kirchengast – Abstract, Presentation

10:15-10:30

Development of excess phase processing algorithm for multi-RO missions and data quality improvements at STAR

B. Zhang, S.-P. Ho, J. Dong. Y. Chen, X. Shao, and X. Zhou – Abstract, Presentation

10:30-10:45

A one-dimensional variational ionospheric retrieval for truncated GNSS Radio Occultation measurements

S. Healy, I. Culverwell, and S. Elvidge – Abstract, Presentation

10:45-11:15

Coffee Break

11:15-12:35

Morning Session 2

Atmospheric Physics and Climate 1 – Hunga Tonga and more

Chair: S. Leroy

11:15-11:35

Stratospheric water vapor from the Hunga Tonga volcanic eruption deduced from COSMIC-2 GNSS-RO observations (invited)

W. Randel, B. Johnston, J. Braun, and S. Sokolovskiy – Abstract, Presentation

11:35-11:50

Investigating the atmospheric response to the January 2022 Hunga Tonga eruption through GNSS radio occultations

P. Vergados, C. O. Ao, and A. J. Mannucci – Abstract, Presentation

11:50-12:05

Wildfire and volcanic signals in the stratosphere observed by radio occultation measurements

M. Stocker, F. Ladstädter, and A. K. Steiner – Abstract, Presentation

12:05-12:20

Signs of climate variability in double tropopause global distribution from two decades of radio occultation data (remote)

A. de la Torre, P. Alexander, T. Schmidt, P. Llamedo, R. Hierro, A. K. Steiner, and F. Ladstädter – Abstract, Presentation

12:20-12:35

Analysis of UTLS dynamics using GNSS radio occultations: the connection between blocking and sudden stratospheric warming events

K. Yessimbet, A. Osso, F. Ladstädter, and A. K. Steiner – Abstract

12:35-14:00

Lunch Break

14:00-15:50

Afternoon Session 1

Occultations in Ionosphere and Planetary Science

Chair: T. Mannucci

14:00-14:20

COSMIC-2 Capabilities for Monitoring Ionospheric Scintillation (invited)

P. Straus, C. Carrano, K. Groves, W. McNeil, S. Sokolovskiy, I. Zakherenkova, Q. Wu, J. Braun, and E. Yizengaw – Abstract, Presentation

14:20-14:35

Assessment of GRAS ionospheric measurements from Metop-A end-of-life testing campaign

M. Hoque, L. Yuan, F. S. Prol, M. Hernandez Pajares, R. Notarpietro, A. Von Engeln, and C. Marquardt – Abstract, Presentation

14:35-14:50

Radio Occultation ionospheric products from GRAS on board Metop EPS satellites: overview and validation

R. Notarpietro, C. Marquardt, S. Paolella, S. Padovan, Y. Andres, A. Von Engeln, L. Butenko, F. M. Alemany, F. Sancho, M. Hoque, and M. Hernandez Pajares – Abstract, Presentation

14:50-15:05

GNSS-RO for the D- and E-Region Electron Density (remote)

D. L. Wu, D. J. Emmons, and N. Swarnalingam – Abstract, Presentation

15:05-15:20

Use of COSMIC-2 Slant TEC to Validate IRI Estimates of F-layer and Topside Electron Density

P. Puhl-Quinn, S. M. Leidner, J. V. Eccles, M. David and K. Shurkin – Abstract, Presentation

15:20-15:35

NOAA’s First Commercial Space Weather Data Pilot

M. McHugh, P. Weir, and G. Peltzer – Abstract, Presentation

15:35-15:50

Radio Holographic Methods for the Inversion of Radio Occultation Measurements from Past and Current Venus Missions

T. Bocanegra-Bahamon, C. O. Ao, K.-N. Wang, and P. Vergados – Abstract, Presentation

15:50-16:20

Coffee Break

16:20-17:55

Afternoon Session 2

Occultations in NWP 3 – Processing-Assimilation-Forecasting Advances

Chair: V. Nguyen

16:20-16:40

Status update of GNSS-RO data assimilation efforts at NOAA (invited)

L. Cucurull, D. Kleist, H. Liu, J. Guerra, X. Li, and B. Johnston – Abstract, Presentation

16:40-16:55

Status of GNSS-RO in global data assimilation at DWD

H. Anlauf – Abstract, Presentation

16:55-17:10

Recent developments on the assimilation of GNSS-RO bending angles in the Météo-France 4D-Var system

D. Raspaud – Abstract, Presentation

17:10-17:25

A Forecast Sensitivity to Observation Impact of traditional and commercial occultation data with Environment. Canada's forecast system

J. M. Aparicio and D. Lobon – Abstract

17:25-17:40

Impact on ECMWF forecast by assimilating Spire bending angles

K. Lonitz, S. Healy, and C. Marquardt – Abstract, Presentation

17:40-17:55

Status of near-real-time processing of GNSS radio occultations from the Sentinel-6 Michael Freilich satellite

C. Galley and C. Ao – Abstract, Presentation

17:55

Monday Scientific Sessions Adjourn

19:00-20:00

Dinner

20:00-22:00

Wine Tour