21st Conf. on Severe Local Storms and 19th Conf. on Weather Analysis and Forecasting/15th Conf. on Numerical Weather Prediction

Session 10: Data Assimilation I

Thursday, 15 August 2002: 8:00 AM-9:58 AM
Organizer:  Mary Alice Rennick, FNMOC
Papers:
  8:00 AM
Implementation of a new grid-scale cloud and precipitation scheme in the NCEP Eta model
Brad S. Ferrier, NOAA/NWS/NCEP/EMC and SAIC/GSO, Camp Springs, MD; and Y. Jin, Y. Lin, T. Black, E. Rogers, and G. DiMego

 
10.2
Experiments of high-density data in the NCEP Eta Data Assimilation System: NEXRAD radial velocity and satellite radiance data

  8:15 AM
Background Error Covariance Functions for Radar Wind Analysis
Qin Xu, NOAA/NSSL, Norman, OK; and J. Gong

Poster PDF (1.6 MB)
 
10.4
Ensemble data assimilation as an SDVR technique

  8:30 AM
Rapid-scan single-Doppler velocity retrieval of a thunderstorm outflow
Alan Shapiro, CAPS/University of Oklahoma, Norman, OK; and P. Robinson and J. Wurman

  8:45 AM
Characterising the Spatial Structure of Observation Errors in Satellite-Derived Atmospheric Motion Vectors for Data Assimilation
Niels Bormann, ECMWF, Reading, Berks., United Kingdom; and S. Saarinen, J. N. Thépaut, and G. Kelly

Poster PDF (261.1 kB)
  9:00 AM
Impacts of Initial Analyses and Observations on the Convective-Scale Data Assimilation with an Ensemble-Kalman Filter
Fuqing Zhang, Texas A&M University, College Station, TX; and C. Snyder and J. Sun

Poster PDF (337.3 kB)
  9:15 AM
High-resolution RUC forecasts for PACJET: Real-time NWS guidance and retrospective data impact tests
Steve Weygandt, NOAA/FSL, Boulder, CO; and S. Benjamin, C. S. Velden, J. E. Burks, and L. B. Nance

Poster PDF (246.2 kB)
  9:30 AM
Impact of Polar Cloud Track Winds from MODIS on ECMWF Analyses and Forecasts (formerly Paper number 1.6)
Niels Bormann, ECMWF, Reading, Berks., United Kingdom; and J. N. Thépaut, J. Key, D. Santek, and C. S. Velden

Poster PDF (854.9 kB)
  9:45 AM
The Role of Subsynoptic Processes in Synoptic-scale Extratropical Cyclone Development (Formerly Paper 7a.4)
Kenneth E. Parsons, Embry-Riddle Aeronautical University, Prescott, AZ; and P. J. Smith