Isztar Zawadzki - Publications

Affiliations: 
McGill University, Montreal, QC, Canada 
Area:
Atmospheric Science Physics

82 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2020 Pérez Hortal AA, Zawadzki I, Yau MK. A Heuristic Approach for Precipitation Data Assimilation: Effect of Forecast Errors and Assimilation of NCEP Stage IV Precipitation Analyses Monthly Weather Review. 148: 1629-1651. DOI: 10.1175/Mwr-D-19-0331.1  0.452
2019 Pérez Hortal AA, Zawadzki I, Yau MK. A Heuristic Approach for Precipitation Data Assimilation: Characterization Using OSSEs Monthly Weather Review. 147: 3445-3466. DOI: 10.1175/Mwr-D-19-0034.1  0.481
2017 Surcel M, Zawadzki I, Yau MK, Xue M, Kong F. More on the Scale Dependence of the Predictability of Precipitation Patterns: Extension to the 2009–13 CAPS Spring Experiment Ensemble Forecasts Monthly Weather Review. 145: 3625-3646. DOI: 10.1175/Mwr-D-16-0362.1  0.408
2017 Atencia A, Zawadzki I. Analogs on the Lorenz Attractor and Ensemble Spread Monthly Weather Review. 145: 1381-1400. DOI: 10.1175/Mwr-D-16-0123.1  0.366
2017 Atencia A, Zawadzki I, Berenguer M. Scale Characterization and Correction of Diurnal Cycle Errors in MAPLE Journal of Applied Meteorology and Climatology. 56: 2561-2575. DOI: 10.1175/Jamc-D-16-0344.1  0.429
2016 Surcel M, Zawadzki I, Yau MK. The case-to-case variability of the predictability of precipitation by a storm-scale ensemble forecasting system Monthly Weather Review. 144: 193-212. DOI: 10.1175/Mwr-D-15-0232.1  0.38
2015 Atencia A, Zawadzki I. A comparison of two techniques for generating nowcasting ensembles. Part II: Analogs selection and comparison of techniques Monthly Weather Review. 143: 2890-2908. DOI: 10.1175/Mwr-D-14-00342.1  0.396
2015 Jacques D, Zawadzki I. The impacts of representing the correlation of errors in radar data assimilation. Part II: Model output as background estimates Monthly Weather Review. 143: 2637-2656. DOI: 10.1175/Mwr-D-14-00243.1  0.446
2015 Surcel M, Zawadzki I, Yau MK. A study on the scale dependence of the predictability of precipitation patterns Journal of the Atmospheric Sciences. 72: 216-235. DOI: 10.1175/Jas-D-14-0071.1  0.423
2014 Jacques D, Zawadzki I. The impacts of representing the correlation of errors in radar data assimilation. Part I: Experiments with simulated background and observation estimates Monthly Weather Review. 142: 3998-4016. DOI: 10.1175/Mwr-D-14-00104.1  0.377
2014 Surcel M, Zawadzki I, Yau MK. On the filtering properties of ensemble averaging for storm-scale precipitation forecasts Monthly Weather Review. 142: 1093-1105. DOI: 10.1175/Mwr-D-13-00134.1  0.391
2014 Atencia A, Zawadzki I. A comparison of two techniques for generating nowcasting ensembles. Part I: Lagrangian ensemble technique Monthly Weather Review. 142: 4036-4052. DOI: 10.1175/Mwr-D-13-00117.1  0.381
2014 Szyrmer W, Zawadzki I. Snow studies. Part IV: Ensemble retrieval of snow microphysics from dual-wavelength vertically pointing radars Journal of the Atmospheric Sciences. 71: 1171-1186. DOI: 10.1175/Jas-D-12-0286.1  0.463
2014 Szyrmer W, Zawadzki I. Snow studies. Part III: Theoretical derivations for the ensemble retrieval of snow microphysics from dual-wavelength vertically pointing radars Journal of the Atmospheric Sciences. 71: 1158-1170. DOI: 10.1175/Jas-D-12-0285.1  0.35
2014 Sun J, Xue M, Wilson JW, Zawadzki I, Ballard SP, Onvlee-Hooimeyer J, Joe P, Barker DM, Li PW, Golding B, Xu M, Pinto J. Use of nwp for nowcasting convective precipitation: Recent progress and challenges Bulletin of the American Meteorological Society. 95: 409-426. DOI: 10.1175/Bams-D-11-00263.1  0.344
2013 Radhakrishna B, Zawadzki I, Fabry F. Postprocessing model-predicted rainfall fields in the spectral domain using phase information from radar observations Journal of the Atmospheric Sciences. 70: 1145-1159. DOI: 10.1175/Jas-D-12-0175.1  0.413
2012 Berenguer M, Surcel M, Zawadzki I, Xue M, Kong F. The diurnal cycle of precipitation from continental radar mosaics and numerical weather prediction models. Part II: Intercomparison among numerical models and with Nowcasting Monthly Weather Review. 140: 2689-2705. DOI: 10.1175/Mwr-D-11-00181.1  0.449
2012 Radhakrishna B, Zawadzki I, Fabry F. Predictability of precipitation from continental radar images. part v: Growth and decay Journal of the Atmospheric Sciences. 69: 3336-3349. DOI: 10.1175/Jas-D-12-029.1  0.304
2010 Surcel M, Berenguer M, Zawadzki I. The diurnal cycle of precipitation from continental radar mosaics and numerical weather prediction models. Part I: Methodology and seasonal comparison Monthly Weather Review. 138: 3084-3106. DOI: 10.1175/2010Mwr3125.1  0.432
2010 Szyrmer W, Zawadzki I. Snow studies. Part II: Average relationship between mass of snowflakes and their terminal fall velocity Journal of the Atmospheric Sciences. 67: 3319-3335. DOI: 10.1175/2010Jas3390.1  0.319
2010 Zawadzki I, Jung E, Lee G. Snow studies. Part I: A study of natural variability of snow terminal velocity Journal of the Atmospheric Sciences. 67: 1591-1604. DOI: 10.1175/2010Jas3342.1  0.35
2010 Lee HC, Lee YH, Ha JC, Chang DE, Bellon A, Zawadzki I, Lee G. McGill algorithm for precipitation nowcasting by lagrangian extrapolation (MAPLE) applied to the South Korean radar network. Part II: Real-time verification for the summer season Asia-Pacific Journal of Atmospheric Sciences. 46: 383-391. DOI: 10.1007/S13143-010-1009-9  0.388
2010 Bellon A, Zawadzki I, Kilambi A, Lee HC, Lee YH, Lee G. McGill algorithm for precipitation nowcasting by lagrangian extrapolation (MAPLE) applied to the South Korean radar network. Part I: Sensitivity studies of the Variational Echo Tracking (VET) technique Asia-Pacific Journal of Atmospheric Sciences. 46: 369-381. DOI: 10.1007/S13143-010-1008-X  0.449
2009 Chung KS, Zawadzki I, Yau MK, Fillion L. Short-term forecasting of a midlatitude convective storm by the assimilation of single-doppler radar observations Monthly Weather Review. 137: 4115-4135. DOI: 10.1175/2009Mwr2731.1  0.511
2009 Berenguer M, Zawadzki I. A study of the error covariance matrix of radar rainfall estimates in stratiform rain. Part II: Scale dependence Weather and Forecasting. 24: 800-811. DOI: 10.1175/2008Waf2222210.1  0.425
2009 Lee CK, Lee GW, Zawadzki I, Kim KE. A preliminary analysis of spatial variability of raindrop size distributions during stratiform rain events Journal of Applied Meteorology and Climatology. 48: 270-283. DOI: 10.1175/2008Jamc1877.1  0.398
2008 Berenguer M, Zawadzki I. A study of the error covariance matrix of radar rainfall estimates in stratiform rain Weather and Forecasting. 23: 1085-1101. DOI: 10.1175/2008Waf2222134.1  0.416
2008 Heyraud C, Szyrmer W, Laroche S, Zawadzki I. Modeling of the melting layer. Part IV: Brightband bulk parameterization Journal of the Atmospheric Sciences. 65: 1991-2001. DOI: 10.1175/2007Jas2448.1  0.418
2007 Hocking WK, Carey-Smith T, Tarasick DW, Argall PS, Strong K, Rochon Y, Zawadzki I, Taylor PA. Detection of stratospheric ozone intrusions by windprofiler radars Nature. 450: 281-284. PMID 17994096 DOI: 10.1038/Nature06312  0.373
2007 Lee GW, Seed AW, Zawadzki I. Modeling the variability of drop size distributions in space and time Journal of Applied Meteorology and Climatology. 46: 742-756. DOI: 10.1175/Jam2505.1  0.407
2007 Vasić S, Lin CA, Zawadzki I, Bousquet O, Chaumont D. Evaluation of precipitation from numerical weather prediction models and satellites using values retrieved from radars Monthly Weather Review. 135: 3750-3766. DOI: 10.1175/2007Mwr1955.1  0.443
2007 Kollias P, Szyrmer W, Zawadzki I, Joe P. Considerations for spaceborne 94 GHz radar observations of precipitation Geophysical Research Letters. 34. DOI: 10.1029/2007Gl031536  0.406
2006 Bousquet O, Lin CA, Zawadzki I. Analysis of scale dependence of quantitative precipitation forecast verification: A case-study over the Mackenzie river basin Quarterly Journal of the Royal Meteorological Society. 132: 2107-2125. DOI: 10.1256/Qj.05.154  0.44
2006 Cho YH, Lee GW, Kim KE, Zawadzki I. Identification and removal of ground echoes and anomalous propagation using the characteristics of radar echoes Journal of Atmospheric and Oceanic Technology. 23: 1206-1222. DOI: 10.1175/Jtech1913.1  0.364
2006 Germann U, Zawadzki I, Turner B. Predictability of precipitation from continental radar images. Part IV: Limits to prediction Journal of the Atmospheric Sciences. 63: 2092-2108. DOI: 10.1175/Jas3735.1  0.418
2006 Campos EF, Zawadzki I, Petitdidier M, Fernández W. Measurement of raindrop size distributions in tropical rain at Costa Rica Journal of Hydrology. 328: 98-109. DOI: 10.1016/J.Jhydrol.2005.11.047  0.346
2006 Lee G, Zawadzki I. Radar calibration by gage, disdrometer, and polarimetry: Theoretical limit caused by the variability of drop size distribution and application to fast scanning operational radar data Journal of Hydrology. 328: 83-97. DOI: 10.1016/J.Jhydrol.2005.11.046  0.453
2005 Laroche S, Szyrmer W, Zawadzki I. A microphysical bulk formulation based on scaling normalization of the particle size distribution. Part II: Data assimilation into physical processes Journal of the Atmospheric Sciences. 62: 4222-4237. DOI: 10.1175/Jas3621.1  0.457
2005 Szyrmer W, Laroche S, Zawadzki I. A microphysical bulk formulation based on scaling normalization of the particle size distribution. Part I: Description Journal of the Atmospheric Sciences. 62: 4206-4221. DOI: 10.1175/Jas3620.1  0.348
2005 Zawadzki I, Szyrmer W, Bell C, Fabry F. Modeling of the melting layer. Part III: The density effect Journal of the Atmospheric Sciences. 62: 3705-3723. DOI: 10.1175/Jas3563.1  0.383
2005 Bellon A, Lee GW, Kilambi A, Zawadzki I. Real-time comparisons of VPR-corrected daily rainfall estimates with a gauge Mesonet 11th Conference On Mesoscale Processes and the 32nd Conference On Radar Meteorology. 1781-1791. DOI: 10.1175/Jam2502.1  0.362
2005 Bellon A, Lee GW, Zawadzki I. Error statistics of VPR corrections in stratiform precipitation Journal of Applied Meteorology. 44: 998-1015. DOI: 10.1175/Jam2253.1  0.387
2005 Lee GW, Zawadzki I. Variability of drop size distributions: Noise and noise filtering in disdrometric data Journal of Applied Meteorology. 44: 634-652. DOI: 10.1175/Jam2222.1  0.319
2005 Lee GW, Zawadzki I. Variability of drop size distributions: Time-scale dependence of the variability and its effects on rain estimation Journal of Applied Meteorology. 44: 241-255. DOI: 10.1175/Jam2183.1  0.353
2005 Lin C, Vasić S, Kilambi A, Turner B, Zawadzki I. Precipitation forecast skill of numerical weather prediction models and radar nowcasts Geophysical Research Letters. 32: 1-4. DOI: 10.1029/2005Gl023451  0.447
2004 Lee G, Zawadzki I, Szyrmer W, Sempere-Torres D, Uijlenhoet R. A general approach to double-moment normalization of drop size distributions Journal of Applied Meteorology. 43: 264-281. DOI: 10.1175/1520-0450(2004)043<0264:Agatdn>2.0.Co;2  0.321
2004 Turner BJ, Zawadzki I, Germann U. Predictability of precipitation from continental radar images. Part III: Operational nowcasting implementation (MAPLE) Journal of Applied Meteorology. 43: 231-248. DOI: 10.1175/1520-0450(2004)043<0231:Popfcr>2.0.Co;2  0.364
2004 Miriovsky BJ, Bradley AA, Eichinger WE, Krajewski WF, Kruger A, Nelson BR, Creutin J, Lapetite J, Lee GW, Zawadzki I, Ogden FL. An Experimental Study of Small-Scale Variability of Radar Reflectivity Using Disdrometer Observations Journal of Applied Meteorology. 43: 106-118. DOI: 10.1175/1520-0450(2004)043<0106:Aesosv>2.0.Co;2  0.416
2004 Germann U, Zawadzki I. Scale dependence of the predictability of precipitation from continental radar images. Part II: Probability forecasts Journal of Applied Meteorology. 43: 74-89.  0.302
2003 Bellon A, Zawadzki I. A 9-year summary of radar characteristics of mesocyclonic storms and of deep convection in Southern Québec Atmosphere - Ocean. 41: 99-120. DOI: 10.3137/Ao.410201  0.411
2003 Torlaschi E, Zawadzki I. The effect of mean and differential attenuation on the precision and accuracy of the estimates of reflectivity and differential reflectivity Journal of Atmospheric and Oceanic Technology. 20: 362-371. DOI: 10.1175/1520-0426(2003)020<0362:Teomad>2.0.Co;2  0.325
2003 Hendrantoro G, Zawadzki I. Derivation of parameters of Y-Z power-law relation from raindrop size distribution measurements and its application in the calculation of rain attenuation from radar reflectivity factor measurements Ieee Transactions On Antennas and Propagation. 51: 12-22. DOI: 10.1109/Tap.2003.808543  0.315
2003 Chandrasekar V, Meneghini R, Zawadzki I. Global and Local Precipitation Measurements by Radar Meteorological Monographs. 30: 215-236. DOI: 10.1007/978-1-878220-36-3_9  0.427
2002 Montmerle T, Caya A, Zawadzki I. Short-term numerical forecasting of a shallow storms complex using bistatic and single-Doppler radar data Weather and Forecasting. 17: 1211-1225. DOI: 10.1175/1520-0434(2002)017<1211:Stnfoa>2.0.Co;2  0.759
2002 Caya A, Laroche S, Zawadzki I, Montmerle T. Using single-doppler data to obtain a mesoscale environmental field Journal of Atmospheric and Oceanic Technology. 19: 21-36. DOI: 10.1175/1520-0426(2002)019<0021:Usddto>2.0.Co;2  0.742
2002 Laurence H, Fabry F, Dutilleul P, Bourgeois G, Zawadzki I. Estimation of the spatial pattern of surface relative humidity using ground based radar measurements and its application to disease risk assessment Agricultural and Forest Meteorology. 111: 223-231. DOI: 10.1016/S0168-1923(02)00019-9  0.387
2002 Fabry F, Zawadzki I. New observational technologlies Scientific and societal impacts International Geophysics. 83: 72-82. DOI: 10.1016/S0074-6142(02)80158-9  0.4
2002 Germann U, Zawadzki I. Scale-dependence of the predictability of precipitation from continental radar images. Part I: Description of the methodology Monthly Weather Review. 130: 2859-2873.  0.313
2001 Montmerle T, Caya A, Zawadzki I. Simulation of a midlatitude convective storm initialized with bistatic Doppler radar data Monthly Weather Review. 129: 1949-1967. DOI: 10.1175/1520-0493(2001)129<1949:Soamcs>2.0.Co;2  0.756
2001 Protat A, Zawadzki I, Caya A. Kinematic and thermodynamic study of a shallow hailstorm sampled by the McGill bistatic multiple-doppler radar network Journal of the Atmospheric Sciences. 58: 1222-1248. DOI: 10.1175/1520-0469(2001)058<1222:Katsoa>2.0.Co;2  0.713
2001 de Elía R, Zawadzki I. Optimal Layout of a Bistatic Radar Network Journal of Atmospheric and Oceanic Technology. 18: 1184-1194. DOI: 10.1175/1520-0426(2001)018<1184:Oloabr>2.0.Co;2  0.381
2001 Gosset M, Zawadzki I. Effect of nonuniform beam filling on the propagation of the radar signal at X-band frequencies. Part I: Changes in the k(Z) relationship Journal of Atmospheric and Oceanic Technology. 18: 1113-1126. DOI: 10.1175/1520-0426(2001)018<1113:Eonbfo>2.0.Co;2  0.33
2001 Nissen R, Hudak D, Laroche S, De Elía R, Zawadzki I, Asuma Y. 3D wind field retrieval applied to snow events using doppler radar Journal of Atmospheric and Oceanic Technology. 18: 348-362. DOI: 10.1175/1520-0426(2001)018<0348:Wfrats>2.0.Co;2  0.467
2001 Zawadzki I, Fabry F, Szyrmer W. Observations of supercooled water and secondary ice generation by a vertically pointing X-band Doppler radar Atmospheric Research. 59: 343-359. DOI: 10.1016/S0169-8095(01)00124-7  0.356
2000 Laprise R, Varma MR, Denis B, Caya D, Zawadzki I. Predictability of a nested limited-area model Monthly Weather Review. 128: 4149-4154. DOI: 10.1175/1520-0493(2000)129<4149:Poanla>2.0.Co;2  0.412
2000 Zawadzki I, Szyrmer W, Laroche S. Diagnostic of supercooled clouds from single-doppler observations in regions of radar-detectable snow Journal of Applied Meteorology. 39: 1041-1058. DOI: 10.1175/1520-0450(2000)039<1041:Doscfs>2.0.Co;2  0.383
2000 De Elia R, Zawadzki I. Sidelobe contamination in bistatic radars Journal of Atmospheric and Oceanic Technology. 17: 1313-1329. DOI: 10.1175/1520-0426(2000)017<1313:Scibr>2.0.Co;2  0.709
2000 Protat A, Zawadzki I. Optimization of dynamic retrievals from a multiple-Doppler radar network Journal of Atmospheric and Oceanic Technology. 17: 753-760. DOI: 10.1175/1520-0426(2000)017<0753:Oodrfa>2.0.Co;2  0.323
2000 Sánchez-Diezma R, Zawadzki I, Sempere-Torres D. Identification of the bright band through the analysis of volumetric radar data Journal of Geophysical Research Atmospheres. 105: 2225-2236. DOI: 10.1029/1999Jd900310  0.355
2000 Sempere-Torresl D, Sanchez-Diezma R, Zawadzki I, Creutin JD. Identification of stratiform and convective areas using radar data with application to the improvement of DSD analysis and Z-R relations Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere. 25: 985-990. DOI: 10.1016/S1464-1909(00)00138-6  0.399
1999 Szyrmer W, Zawadzki I. Modeling of the melting layer. Part I: Dynamics and microphysics Journal of the Atmospheric Sciences. 56: 3573-3592. DOI: 10.1175/1520-0469(1999)056<3573:Motmlp>2.0.Co;2  0.358
1999 Protat A, Zawadzki I. A variational method for real-time retrieval of three-dimensional wind field from multiple-Doppler bistatic radar network data Journal of Atmospheric and Oceanic Technology. 16: 432-449. DOI: 10.1175/1520-0426(1999)016<0432:Avmfrt>2.0.Co;2  0.463
1998 Malinowski SP, Zawadzki I, Banat P. Laboratory observations of cloud-clear air mixing at small scales Journal of Atmospheric and Oceanic Technology. 15: 1060-1065. DOI: 10.1175/1520-0426(1998)015<1060:Loocca>2.0.Co;2  0.323
1998 Yu W, Lin CA, Benoit R, Zawadzki I. High resolution model simulation of precipitation and evaluation with Doppler radar observation Water Science and Technology. 37: 179-186. DOI: 10.1016/S0273-1223(98)00331-X  0.455
1997 Fabry F, Frush C, Zawadzki I, Kilambi A. On the extraction of near-surface index of refraction using radar phase measurements from ground targets Journal of Atmospheric and Oceanic Technology. 14: 978-987. DOI: 10.1175/1520-0426(1997)014<0978:Oteons>2.0.Co;2  0.362
1997 Bellon A, Zawadzki I, Fabry F. Measurements of melting layer attenuation at X-band frequencies Radio Science. 32: 943-955. DOI: 10.1029/97Rs00492  0.312
1995 Tremblay A, Glazer A, Szyrmer W, Isaac G, Zawadzki I. Forecasting of Supercooled Clouds Monthly Weather Review. 123: 2098-2113. DOI: 10.1175/1520-0493(1995)123<2098:Fosc>2.0.Co;2  0.346
1995 Fabry F, Zawadzki I. Long-term radar observations of the melting layer of precipitation and their interpretation Journal of the Atmospheric Sciences. 52: 838-851. DOI: 10.1175/1520-0469(1995)052<0838:Ltroot>2.0.Co;2  0.391
1994 Gu Songshan, Zawadzki I, Laroche S. Retrieval of horizontal wind perturbation fields from simulated single Doppler radar observations Acta Meteorologica Sinica. 8: 89-108.  0.332
1993 Fabry F, Zawadzki I, Cohn S. The influence of stratiform precipitation on shallow convective rain: a case study Monthly Weather Review. 121: 3312-3325. DOI: 10.1175/1520-0493(1993)121<3312:Tiospo>2.0.Co;2  0.422
1983 Torlaschi E, Zawadzki I. The dependence of rain attenuation statistics on meteorological parameters Radio Science. 18: 225-229. DOI: 10.1029/Rs018I002P00225  0.378
1983 Calheiros RV, Zawadzki II. REFLECTIVITY RAIN RATE RELATIONSHIP FOR RADAR HYDROLOGY IN BRAZIL Conference On Radar Meteorology of the American Meteorological Society. 687-692.  0.319
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