This is an index of speakers at the GCWMB map briefings, stratified by subject.
Currently 6 Jan 05 - 28 Aug 08:
Click here for an index of speakers listed by date.
ANALYSIS and DATA: 03 Mar 05 - B. Ballish: temperature bias differences 23 Jun 05 - G. Gayno: GFS snowcover in Italy 07 Jul 05 - D. Kleist: a review of GSI 21 Jul 05 - B. Ballish: temperature bias differences - G. Gayno: GFS snowcover in Italy 15 Sep 05 - L. Cucurull: GPS observations - J. Jung: sfc temperature; GFS vs AIRS 13 Oct 05 - S. Lu: global aerosols 05 Jan 06 - J. Alpert: GFS initial data from ECMWF analyses 02 Feb 06 - Q-F Liu: Data Analysis in the HWRF model 16 Feb 06 - B. Ballish: Bias in Observations - J. Alpert: GFS forecasts from ECMWF initial conditions - M. Masutani: OSSE's at NCEP and JCSDA 02 Mar 06 - S. Lu: GEMS data 13 Apr 06 - X. Su: Application of Variational QC in the GSI - S. Zhou: Assimilation & Forecast of OMI Ozone in the GFS 27 Apr 06 - L. Cucurull: Recently launched COSMIC satellites 12 Jun 06 - J. Whitaker: An ensemble data assimilation system for the GFS 22 Jun 06 - S. Lu: GFS-GOCART; preliminary results 06 Jul 06 - R. Treadon: GSI Status Report 20 Jul 06 - S. Saha: Fits to Obs; ECMWF.vs.NCEP 31 Aug 06 - J. Alpert: GFS initial data and forecasts from ECMWF analyses 14 Sep 06 - B. Ballish: Track-check problems with African AMDAR data 28 Sep 06 - S. Lu: Preliminary Aerosol modeling results 07 Dec 06 - R. Treadon: GSI Status Report 04 Jan 07 - J. Alpert: GFS experiments using ECMWF analyses 15 Feb 07 - J. Whitaker: Recent Progress on ensemble data assimilation for the GFS 15 Mar 07 - J. Derber: Background forecast issues and new METOP data. 15 Mar 07 - D. Kleist: New GOES 1x1 data and satellite wind QC. 29 Mar 07 - B. Ballish: Comparison of GDAS biases: Operations .vs.Parallel. 10 May 07 - D. Kleist: Data upgrade for the GDAS (Summer07). 05 Jul 07 - S. Bender: Aircraft QC; a status report. 19 Jul 07 - J. Derber: Analysis experiments; an update. 02 Aug 07 - L. Cucurull: GPS RO and Tropical Winds. 16 Aug 07 - B. Ballish: Analysis of mislocated radiosondes (5-20 June 2007). 30 Aug 07 - S. Lu: GOCART-related software modifications. 13 Sep 07 - W. Ebisuzaki: Uncertainty estimates in the analysis. 06 Dec 07 - X. Su: Usage of EUMETSAT satellite winds. 17 Jan 08 - S. Lu: GDAS experiments - aerosols as passive tracers. 17 Jan 08 - J. Woollen: Putting GSI Postevents into PREPBUFR. 17 Jan 08 - X. Su: Verification of new GSI Postevents. 24 Apr 08 - X. Su: Results of modified observation errors in the GSI. 24 Apr 08 - M. Masutani: OSSE, wind profile from space-based Doppler Wind Lidar (DWL). 08 May 08 - S. Saha: Improvements in Fits to observations. 22 May 08 - M-J. Kim: Inclusion of cloudy radiances in the NCEP GDAS. 05 Jun 08 - M. Masutani: Behavior of Hi-res OSSE Nature Run. ENSEMBLES: 19 Jan 05 - Y. Zhu: resolution comparison w/ECMWF 17 Feb 05 - Y. Zhu: next GEFS implementation - B. Cui: statistical post-processing 31 Mar 05 - Y. Zhu: consistency of forecasts 26 May 05 - Y. Zhu: next GEFS implementation 09 Jun 05 - Z. Toth: compare skill ECMWF, CAN, NCEP 01 Sep 05 - Z. Toth: reduction of model drift 13 Oct 05 - M. Wei: exp with ET-based GEFS 27 Oct 05 - Y. Song: tropical/extrtrop interaction 10 Nov 05 - D. Hou: stochastic scheme 19 Jan 06 - Y. Zhu: Planned upgrades to GEFS 27 Apr 06 - Y. Zhu: May 30th upgrade of NCEP's GEFS 25 May 06 - B. Cui: May 30th upgrade (bias corrected forecasts) 12 Jun 06 - D. Hou: Ensemble river routing: A preliminary experiment 14 Sep 06 - Z. Toth: Real-time generation of hind-casts 07 Dec 06 - Y. Zhu: The coming GEFS implementation 01 Feb 07 - D. Hou: Evaluation of ensemble streamflow forecasts based on the GEFS. 01 Mar 07 - T. Hamill: Comparison of calibrated 2meter temperature probabilistic forecasts from GFS and ECMWF re-forecasts. 15 Mar 07 - M.P. Mendez: Issues on intra-seasonal numerical prediction. 29 Mar 07 - Y. Zhu: N.American Ensemble Forecast System (NAEFS)-bias correction. 12 Apr 07 - T. Hamill: Can downscaled probabilistic precip forecasts be improved by using water vapor flux as a predictor? 12 Apr 07 - B. Cui: Statistical downscaling approach and its application in EMC. 13 Sep 07 - T. Hamill: Probabilistic precipitation forecast calibration using ECMWF and GFS ensemble reforecasts. 27 Sep 07 - Y. Zhu: The coming NAEFS implementation. 06 Dec 07 - Y. Zhu: Experiments for GFS L64/L28 at T126 resolution.. 28 Feb 08 - Y. Zhu: GFS model configurations for use in the GEFS. Return HOME MISCELLANEOUS: 06 Jan 05 - R. Kistler: CDAS during 2004 - H. VandenDool: tribute to P. Caplan 03 Feb 05 - Y. Zhu: moisture stats 17 Mar 05 - Y. Zhu: compare NCEP, UKMO analyses 12 May 05 - T. Waite: new branch serevr "tempest" 18 Aug 05 - Y. Sela: 25th anniv of opnl Spectral model - M. Iredell: WRF "Post" in GFS - a vision 10 Nov 05 - G. Gayno: "CHGRES" 08 Dec 05 - M. Iredell: NCEP Production Review (2005) - H. Wei: "CHGRES" for running OSU LSM 05 Jan 06 - M. Iredell: GFS I/O modules 19 Jan 06 - M. Iredell: Recent global model workshop 11 May 06 - Y. Sela: Semi-Lagrangian modeling: a progress report 20 Jul 06 - S. Altbier: Library search capabilities of SCOPUS.vs.Web-of-Science. 12 Oct 06 - H-M Henry Juang: Preliminary test of the T1278 GFS model (apprx 10 km). 07 Dec 06 - H-M Henry Juang: Use of enthalpy thermodynamic equation in the GFS. 18 Jan 07 - A. Artusa: CPC's GFS 700mb forecast of storm activity 01 Mar 07 - H-M Henry Juang: Splitting the semi-LaGrangian advection; very preliminary results. 29 Mar 07 - H. Chuang: Progress on the unified POST. 29 Mar 07 - T. Black: ESMF at EMC; some notes. 26 Apr 07 - H. VandenDool: 25 year comparison of day 5 CFS and CDAS forecasts. 26 Apr 07 - K. Gilbert: MDL's GFS-based Statistical Forecast Guidance 10 May 07 - S. Saha and F. Yang: Strategy for GFS testing and horizontal resolution tests. 21 Jun 07 - N. Surgi: Hurricane WRF. 19 Jul 07 - Y. Sela: Semi-Lagrangian modeling: a brief report. 02 Aug 07 - F. Yang: Negative water vapor in the GFS: sources and solution. 27 Sep 07 - H. Chuang: The unified POST implementation: a GFS POST-mortem. 11 Oct 07 - F. Yang: Analyses and forecasts from multiple NWP models. 20 Dec 07 - D. Carlis:Analysis of the October 21-22, 2007 Dropout via Comparison of GFS vs. ECMWF F00 Forecasts. 20 Dec 07 - X. Su: Data Usage during GFS 'drop outs'. 20 Dec 07 - F. Yang: Analysis of GFS 'drop outs'. 03 Jan 08 - H. vandenDool: Very good forecast? OR New Year's Folly. 03 Jan 08 - Y. Zhu: October "dropout" case.31 Jan 08 - D. Carlis and J.Alpert: GFS, drop-out case study, with ECMWF initial conditions. 31 Jan 08 - H-C Huang: Development of an off-line global dust forecasting system. 10 Apr 08 - S. Lu: Idealized tracer experiments. 10 Apr 08 - S. Saha: Week-2, coupled, forecasts. 24 Apr 08 - Y. Zhu: GFS (T126L28) experiments with different horizontal diffusions. 08 May 08 - D. Carlis: ECM "OVERLAY/Patch" Runs for NH and SH DROPOUT cases. 19 Jun 08 - H-M Henry Juang: Mass-conserving positive semi-LaGrangian tracer advection in the NCEP GFS: preliminary results.. 19 Jun 08 - J. Alpert: GFS dropouts. 17 Jul 08 - J. Sela: Precision issues. 31 Jul 08 - M. Iredell: Vertical levels. 28 Aug 08 - H. Tolman: Quickscat data impact on the wave model. MODEL PARAMETERIZATIONS: 17 Feb 05 - S. Lu: land surface scheme 31 Mar 05 - J. Alpert: Glacial Ice (Antarctica) 12 May 05 - B. Ferrier: JCSDA cloud/precip workshop 07 Jul 05 - H-M Juang: hybrid vertical coordinate 21 Jul 05 - C. Penland: stochastic dynamics in the GFS 01 Sep 05 - F. Yang: dependance of sfc albedo on zenith angle 13 Oct 05 - G. White: diagnosing glacial ice tests 10 Nov 05 - F. Yang: error in downward LW flux at earth's sfc 05 Jan 06 - F. Yang: Model tests of fix to error in downward LW 19 Jan 06 - S. Moorthi: New Parallel (both Anl and Fcst) - PRFG 02 Mar 06 - M. Iredell: Robert time-filter sensitivity in the GFS 25 May 06 - J. Alpert: Antarctic glacial ice FIX in the GFS - S. Moorthi: TG3 (deep soil layer temperature) 'bug' in the GFS 12 Jun 06 - I. Rivin: Ocean upper layer parameterization for the GFS 09 Nov 06 - Y. Hou: New radiation system for NCEP models 18 Jan 07 - F. Yang: GFS results with generalized hybrid coordinates 26 Apr 07 - H. Wei: Preliminary GFS tests of a bundle of albedo-related changes; a truncated presentation due to time constraints! 10 May 07 - H. Wei: Preliminary GFS tests of a bundle of albedo-related changes; the complete presentation! 07 Jun 07 - J. Han: GFS-GSI tests with new shallow convection, revised PBL, and Ferrier-Moorthi cloud microphysics. 07 Jun 07 - J. Alpert: Gravity Wave Drag correction. 21 Jun 07 - S. Moorthi: "CRICK" filter. 21 Jun 07 - Y-T Hou: Aerosol Radiative Properties; a generalized calculation scheme. 19 Jul 07 - J. Meng and H. Wei: Real-time GLDAS and preliminary GFS experiment. 16 Aug 07 - K. Mitchell: GFS warm bias. 30 Aug 07 - K. Mitchell: GFS warm bias, summer 2007; more results. 30 Aug 07 - J. Alpert: 30-second resolution for orography. 08 Nov 07 - J. Alpert: GWD, Mtn Blocking, 30-second resolution for orography. 06 Dec 07 - J. Alpert: Global Orography, GWD, Mtn Blocking, with 30-second USGS topography. 31 Jan 08 - J. Alpert: New topography for the GFS model; an update. 28 Feb 08 - Y. Hou: Timing radiation calculations on the CCS under various model configurations. 27 Mar 08 - J. Han: Implementation of the MYJ PBL scheme into the GFS. 14 Aug 08 - H. Wei: GFS tests with reduced Alaskan glacial ice coverage. Return HOME CLIMATE MODELING: 16 Mar 06 - S. Saha: CMIP and vertical diffusion sensitivity Part 1 - G. White: CMIP and vertical diffusion sensitivity Part 2 30 Mar 06 - S. Saha: Global cooling in the climate of the GFS and CFS, Part 1 - G. White: Global cooling in the climate of the GFS and CFS, Part 2 01 Feb 07 - S. Saha: Model change (CMIP/AMIP) affecting shallow convection 10 Apr 08 - G. White: Stratus clouds in the CFSRR. PARALLEL-T382 (OPNL Spring 2005): 06 Jan 05 - R. Kistler, G. White 19 Jan 05 - G. White 03 Feb 05 - G. White, M. Iredell 17 Feb 05 - G. White 03 Mar 05 - G. White, R Kistler (snow), M Iredell, K Mitchell 17 Mar 05 - G. White 31 Mar 05 - M. Iredell: status of the parallel model - S. Saha: fits to obs - C. Long: stratosphere - J. Schemm: Week-2- - M. Baker: HPC cases 13 Apr 05 - K. Mitchell: surface scheme fixes - R. Kistler: moisture verification - M. Iredell: hurricane track forecasts - G. White: summer 2004 retrospective - M. Baker: HPC cases 28 Apr 05 - G. White, S. Saha, K. Mitchell, M. Baker 12 May 05 - K. Mitchell: increased canopy resistance 26 May 05 - K. Mitchell, G. White, C. Long 09 Jun 05 - H. Wei: validate increased canopy resist 23 Jun 05 - C. Long: GFS stratosphere 07 Jul 05 - H. Wei: precipitation scores! 21 Jul 05 - G. White: GFS performance in East Pacific 01 Sep 05 - G. White/R. Kistler: summer 2005 T254 reruns 10 Nov 05 - M. Baker: rest of summer 2005 T254 reruns Return HOME PARALLEL-GSI Analysis+hybrid coordinate: 01 Sep 05 - G. White 15 Sep 05 - G. White 27 Oct 05 - G. White 10 Nov 05 - G. White 22 Dec 05 - G. White, S. Saha, H. Wei, M. Baker 05 Jan 06 - Y. Zhu parallel-W-(no GSI) 19 Jan 06 - G. White 02 Feb 06 - M. Iredell, G. White 15 Feb 07 - R. Treadon 01 Mar 07 - G. White: Parallel-Y- (the next GFS) 15 Mar 07 - F. Yang: Real-time parallel-X-: vertical structure of fcst errors. 29 Mar 07 - G. White: Web-page for the GSI/Hybrid GFS. 12 Apr 07 - G. White: Comparison of GFS and PRX. 26 Apr 07 - G. White: Comparison of GFS and parallel containing tighter QC for gps data. PARALLEL-Spring 2006 (hybrid coordinate, new O3 physics, glacial ice physics, ...): 30 Mar 06 - X. Wu, Y. Zhu, S. Saha 13 Apr 06 - S. Saha, X. Wu, H. Wei 11 May 06 - X. Wu, S. Saha, G. White, H. Wei 25 May 06 - G. White, H. Wei 22 Jun 06 - G. White 06 Jul 06 - G. White 17 Aug 06 - Y. Zhu Determining components of the next GFS: Spring 07-February 08: 24 May 07 - F. Yang: Evaluation of GFS Summer/Winter experiments. 21 Jun 07 - G. White: Diagnosis of several Parallel experiments. 16 Aug 07 - G. White: Warm bias in the GFS. 25 Oct 07 - G. White: Diagnostics for the GFS Parallel. 08 Nov 07 - G. White: Diagnosis of GFS parallels. 06 Dec 07 - G. White: Review of the parallel tests of the new GSI and GFS. 17 Jan 08 - G. White: Diagnosis of GFS parallels. 31 Jan 08 - G. White: Diagnosis of GFS parallels. STATISTICS for OPNL GFS: 06 Jan 05 - P. Caplan 03 Feb 05 - M. Baker 03 Mar 05 - M. Baker 17 Mar 05 - M. Baker 26 May 05 - M. Baker 09 Jun 05 - M. Baker 23 Jun 05 - M. Baker 07 Jul 05 - M. Baker 21 Jul 05 - M. Baker 18 Aug 05 - M. Baker 01 Sep 05 - G. White 15 Sep 05 - M. Baker 27 Oct 05 - M. Baker 10 Nov 05 - M. Baker 05 Jan 06 - M. Baker 19 Jan 06 - M. Baker 02 Feb 06 - M. Baker 16 Feb 06 - M. Baker 16 Mar 06 - M. Baker 30 Mar 06 - M. Baker 27 Apr 06 - M. Baker 25 May 06 - M. Baker 06 Jul 06 - G. White 20 Jul 06 - G. White: plus new GFS ('sigma'), plus... 17 Aug 06 - G. White 31 Aug 06 - G. White: plus... 14 Sep 06 - G. White: plus... 28 Sep 06 - G. White: SH and GFS with EC ANL diagnosis 12 Oct 06 - G. White: Southern Hemisphere problems 09 Nov 06 - G. White: GFS STATS - Y. Zhu: Verification of forecasts against Consensus Analysis. 07 Dec 06 - G. White: GFS STATS 04 Jan 07 - G. White: GFS STATS 18 Jan 07 - F. Yang: GFS; STATS using VSDB 18 Jan 07 - G. White: GFS STATS;plus clouds 01 Feb 07 - G. White: GFS STATS 07 Jun 07 - G. White 05 Jul 07 - G. White: STATS for GFS operational/parallels 02 Aug 07 - G. White: STATS for GFS operational/parallels 13 Sep 07 - G. White: STATS for GFS operational. 27 Sep 07 - G. White: Summer 2007 GFS diagnostics. 11 Oct 07 - F. Yang presents G. Whites work: Recent GFS skill scores 03 Jan 08 - G. White: Year end review of GFS scores. 17 Jan 08 - F. Yang: GFS performance over the past 10 years. 14 Feb 08 - G. White: GFS wind errors. and GFS score 27 Mar 08 - G. White: GFS scores. 22 May 08 - G. White: GFS scores for operational and parallel systems. 05 Jun 08 - G. White: operational and parallel GSI analysis scores. 19 Jun 08 - G. White: JMA and GFS scores. 17 Jul 08 - G. White: Statistics for GFS parallels. 31 Jul 08 - G. White: Standard GFS scores. 14 Aug 08 - G. White: Statistics for GFS parallels. 28 Aug 08 - F. Yang: Statistics for uncoupled GFS parallel. 28 Aug 08 - G. White: Statistics for GFS parallel, coupled with MOM4 ocean. Return HOME