Selected Papers

Manuscripts

Snyder, C., 2012: Particle filters, the "optimal" proposal and high-dimensional systems. Proceedings, ECMWF Seminar on Data Assimilation for Atmosphere and Ocean., 6-9 September 2011. pdf

Cavallo, S. M., R. D. Torn, C. Snyder, C. Davis, W. Wang and J. Done, 2012: Evaluation of the Advance Hurricane WRF data assimilation system for the 2009 Atlantic hurricane season. Mon. Wea. Rev., submitted. pdf

Romine, G., C. S. Schwartz, C. Snyder, J. L. Anderson and M. L. Weisman, 2012: A real-time coupled WRF-DART assimilation system for convection-permitting forecast applications. Mon. Wea. Rev., submitted. pdf

Liu, Z., C. S. Schwartz, C. Snyder and S.-Y. Ha, 2012: Impact of assimilating AMSU-A radiances on forecasts of 2008 Atlantic tropical cyclones initialized with a limited-area ensemble Kalman filter. Mon. Wea. Rev., accepted. pdf

Waite, M. L., and C. Snyder, 2012: Mesoscale energy spectra of moist baroclinic waves. J. Atmos. Sci., submitted. pdf

Referreed Publications

Torn, R. D., and C. Snyder, 2012: Uncertainty of tropical cyclone best-track information. Wea. Forecasting, 27 , 715-729. doi::10.1175/2010MWR3595.1 AMS or pdf

Berner, J., S.-Y. Ha, J. P. Hacker, A. Fournier and C. Snyder, 2011: Model uncertainty in a mesoscale ensemble prediction system: Stochastic versus muti-physics representations. Mon. Wea. Rev., 139 , 1972-1995. doi::10.1175/2010MWR3595.1 AMS or pdf

Cavallo, S. M., J. Dudhia and C. Snyder, 2011: An improved upper boundary condition for longwave radiative fluxes in the stratosphere to correct model biases. Mon. Wea. Rev., 139 , 1952-1959. doi::10.1175/2010MWR3513.1 AMS or pdf

Hacker, J. P., S.-Y. Ha, C. Snyder, J. Berner, F. A. Eckel, M. Pocernich, J. Schramm and X. Wang, 2011: The U.S. Air Force Weather Agency's mesoscale ensemble: Scientific description and performance results. Tellus , 63 , 625-641. doi: 10.1111/j.1600-0870.2010.00497.x Wiley or pdf

Hacker, J. P., C. Snyder, S.-Y. Ha and M. Pocernich, 2010: Linear and nonlinear response to parameter variations in a mesoscale model. Tellus , 63 , 429-444. doi: 10.1111/j.1600-0870.2010.00505.x Wiley or pdf

Kim, S., R. M. Samelson and C. Snyder, 2011: Toward an uncertainty budget for a coastal ocean model. Mon. Wea. Rev., 139 , 866--884. doi::10.1175/2010MWR3352.1 AMS or pdf

Dowell, D. C., L. J. Wicker and C. Snyder, 2011: Ensemble Kalman filter assimilation of radar observations of the 8 May 2003 Oklahoma City supercell: Influences of reflectivity observations on storm-scale analyses. Mon. Wea. Rev., 139 , 272-294. doi:10.1175/2010MWR3438.1 AMS

Lei, J., P. Bickel and C. Snyder, 2010: Comparison of ensemble Kalman filters under non-Gaussianity. Mon. Wea. Rev., 138 , 1293-1306. doi:10.1175/2009MWR3133.1 AMS or pdf

Aksoy, A., D. Dowell and C. Snyder, 2010: A multi-case comparative assessment of the ensemble Kalman filter for assimilation of radar observations. Part II: Short-range ensemble forecasts. Mon. Wea. Rev., 138 , 1273-1292. doi:10.1175/2009MWR3086.1 AMS or pdf

Morss, R., C. Snyder and R. Rotunno, 2009: Spectra, spatial scales, and predictability in a quasigeostrophic model. J. Atmos. Sci., 66 , 3115-3130. doi: 10.1175/2009JAS3057.1 AMS or pdf

Snyder, C., R. Plougonven and D. Muraki, 2009: Mechanisms for spontaneous gravity-wave generation within a dipole vortex. J. Atmos. Sci., 66 , 3464--3468. doi: 10.1175/2009JAS3147.1 AMS or pdf

Kim, S., R. M. Samelson and C. Snyder, 2009: Ensemble-based estimates of the predictability of wind-driven coastal ocean flow over topography. Mon. Wea. Rev., 137, 2515-2537. doi: 10.1175/2009MWR2631.1 AMS or pdf

Aksoy, A., D. Dowell and C. Snyder, 2009: A multi-case comparative assessment of the ensemble Kalman filter for assimilation of radar observations. Part I: Storm-scale analyses. Mon. Wea. Rev., 137, 1805-1824. doi: 10.1175/2008MWR2691.1 AMS or pdf

Wang, S., F. Zhang and C. Snyder, 2009: Generation and propagation of interia-gravity waves from vortex dipoles and jets. J. Atmos. Sci., 66, 1294-1314. doi:10.1175/2008JAS2830.1 AMS

Waite, M. L., and C. Snyder, 2009: The mesoscale kinetic energy spectrum of a baroclinic life cycle. J. Atmos. Sci., 66, 883-901. doi: 10.1175_2008JAS2829.1 pdf or AMS

Snyder, C. T. Bengtsson, P. Bickel and J. L. Anderson, 2008: Obstacles to high-dimensional particle filtering. Mon. Wea. Rev., 136, 4629-4640. doi:10.1175/2008MWR2529.1 pdf or AMS

Wang, X., D. Barker, C. Snyder, T. M. Hamill, 2008: A hybrid ETKF-3DVAR data assimilation scheme for the WRF model. Part I: Observing system simulation experiment. Mon. Wea. Rev., 136, 5116-5131. doi:10.1175/2008MWR2444.1 pdf

Wang, X., D. Barker, C. Snyder, T. M. Hamill, 2008: A hybrid ETKF-3DVAR data assimilation scheme for the WRF model. Part II: Real observation experiments. Mon. Wea. Rev., 136, 5132-5147. doi: 10.1175/2008MWR2445.1 pdf

Davis, C., C. Snyder and A. C. Didlake, 2008: A vortex-based perspective of Eastern Pacific tropical cyclone formation. Mon. Wea. Rev., 136, 2461-2477. doi: 10.1175/2007MWR2317.1 AMS

Rotunno, R., and C. Snyder, 2008: A generalization of Lorenz's model for the predictability of flows with many scales of motion. J. Atmos. Sci., 65, 1063-1076. doi: 10.1175/2007JAS2449.1 pdf

Snyder, C., D. J. Muraki, R. Plougonven and F. Zhang, 2007: Inertia-gravity waves generated within a dipole vortex. J. Atmos. Sci., 64, 4417-4431. doi: 10.1175/2007JAS2351.1 pdf

Muraki, D. M., and C. Snyder, 2007: Vortex dipoles for surface quasigeostrophic models. J. Atmos. Sci., 64, 2961-2967. doi: 10.1175/JAS3958.1 pdf

Plougonven, R., and C. Snyder, 2007: Inertia-gravity waves spontaneously generated by jets and fronts. Part I: Different baroclinic life cycles. J. Atmos. Sci., 64, 2502-2520. pdf

Chen, Y., and C. Snyder, 2007: Assimilating vortex position with an ensemble Kalman filter. Mon. Wea. Rev., 135, 1828-1845. pdf

Wang, X., C. Snyder, and T. M. Hamill, 2007: On the theoretical equivalence of differently proposed ensemble/3D-Var hybrid analysis schemes. Mon. Wea. Rev., 135, 222-227. pdf

Torn, R. D., G. J. Hakim, and C. Snyder, 2006: Boundary conditions for limited-area ensemble Kalman filters. Mon. Wea. Rev., 134, 2490-2502. pdf

Hacker, J. P., and C. Snyder, 2005: Ensemble Kalman filter assimilation of fixed screen-height observations in a parameterized PBL. Mon. Wea. Rev., 133, 3260-3275. pdf

Caya, A., J. Sun and C. Snyder, 2005: A comparison between the 4D-Var and the ensemble Kalman filter techniques for radar data assimilation. Mon. Wea. Rev., 133, 3081-3094. pdf

Plougonven, R., and C. Snyder, 2005: Gravity waves excited by jets: Propagation versus generation. Geophys. Research Let. , 32 , L18802, doi:10.1029/2005GL023730. pdf

Snyder, C. and G. J. Hakim, 2005: Cyclogenetic perturbations and analysis errors decomposed into singular vectors. J. Atmos. Sci., 62, 2234-2247. pdf

Plougonven, R., D. J. Muraki and C. Snyder, 2005: A baroclinic instability that couples balanced motions and gravity waves. J. Atmos. Sci., 62, 1545-1559. pdf

Tan, Z., F. Zhang, C. Snyder and R. Rotunno, 2004: Mesoscale predictability of idealized baroclinic waves. J. Atmos. Sci., 61, 1794-1804.

Zhang, F., C. Snyder and J. Sun, 2004: Impacts of initial estimate and observations on convective-scale data assimilation with an ensemble Kalman filter. Mon. Wea. Rev., 132, 1238-1253.

Dowell, D., F. Zhang, L. Wicker, C. Snyder and N. A. Crook, 2004: Wind and thermodynamic retrievals in the 17 May 1981 Arcadia, Oklahoma supercell: Ensemble Kalman filter experiments. Mon. Wea. Rev., 132, 1982-2005. pdf

Bengtsson T., C. Snyder, and D. Nychka, 2003: Toward a nonlinear ensemble filter for high-dimensional systems. J. Geophys. Res., 62(D24), 8775-8785. pdf

Hamill, T. M., C. Snyder and J. S. Whitaker, 2003: Ensemble forecasts and the properties of flow-dependent analysis-error covariance singular vectors. Mon. Wea. Rev., 131, 1741-1758. pdf

Snyder, C. and F. Zhang, 2003: Assimilation of simulated Doppler radar observations with an ensemble Kalman filter. Mon. Wea. Rev., 131, 1663-1677. pdf or via AMS

Zhang, F., C. Snyder and R. Rotunno, 2003: The influence of moist convection on the limits of mesoscale predictability. J. Atmos. Sci. , 60, 1173-1185. via AMS

Snyder, C., T. M. Hamill and S. Trier, 2003: Linear evolution of forecast error covariances in a quasigeostrophic model. Mon. Wea. Rev., 131, 189-205. pdf

Snyder, C., and T. M. Hamill, 2003: Leading Lyapunov vectors of a turbulent baroclinic jet in a quasigeostrophic model. J. Atmos. Sci. , 60, 683-688. pdf or via AMS

Rotunno, R., D. M. Muraki, and C. Snyder, 2000: Unstable baroclinic waves beyond quasi-geostrophic theory. J. Atmos. Sci., 57, 3285-3295. pdf

Berliner, L. M., Z.-Q. Lu and C. Snyder, 1999: Statistical design for adaptive weather observations. J. Atmos. Sci., 56, 2536-2552. pdf

Muraki, D., C. Snyder and R. Rotunno, 1999: The next-order corrections to quasi-geostrophic theory. J. Atmos. Sci., 56, 1547-1560. pdf

Hamill, T. M., C. Snyder and R. Morss, 2000: A comparison of probabilistic forecasts from bred, singluar-vector and perturbed observstion ensembles. Mon. Wea. Rev., 128, 1835-1851. AMS

Snyder, C., 1999: Error growth in flows with finite-amplitude waves or other coherent structures. J. Atmos. Sci., 56, 500-506. pdf

Snyder, C., and A. Joly, 1998: Development of perturbations within a growing baroclinic wave. Quart. J. Roy. Meteor. Soc. , 124, 1961-1983. pdf

Snyder, C., 1995: Stability of steady fronts with uniform potential vorticity. J. Atmos. Sci., 52 , 724-736. pdf

Snyder, C., W. Skamarock and R. Rotunno, 1993: Frontal dynamics near and following frontal collapse. J. Atmos. Sci., 50 , 3194-3211. pdf

Snyder, C., W. Skamarock and R. Rotunno, 1991: A comparison of primitive-equation and semigeostrophic simulations of baroclinic waves. J. Atmos. Sci., 48 , 2179-2194. pdf

Conference papers

Aksoy, A., C. Snyder and D. Dowell, 2007: A multi-case study of ensemble-based assimilation of radar observations into cloud-resolving WRF using DART. 18th Conference on Numerical Weather Prediction , Park City, UT, 25-29 June, Amer. Met. Soc. pdf

Chen, Y. and C. Snyder, 2006: Initializing a hurricane vortex with an ensemble Kalman filter. 7th WRF Users' Workshop, , Boulder, CO, 22-26 June. pdf

Caya, A., D. Barker and C. Snyder, 2004: An ensemble Kalman filter for WRF and a comparison with the WRF three-dimensional variational scheme. First THORPEX International Science Symposium , Montreal, Canada. pdf

Snyder, C., and D. Keyser, 1996: The coupling of fronts and the boundary layer. Seventh Conference on Mesoscale Processes , Reading, UK, 9-13 Sept., Amer. Met. Soc., 520-522. pdf