Doc. RNDr. Zbyněk Sokol, CSc.

Doc. RNDr. Zbyněk Sokol, CSc.

Senior Researcher
Head of Meteorological Department IAP AS CR.

Born: 25 December 1959, Prague, Czech Republic

Education:

1984 - graduated from Mathematical and Physical Faculty, Charles University, Prague; branch: numerical methods; diploma thesis: "Numerical solution of Navier-Stokes equations".

1993 - CSc. (Ph.D.), Meteorology, Mathematical and Physical Faculty, Charles University, Prague, Czech Republic, thesis: Objective analysis on a limited area.

Employment:
Institute of Atmospheric Physics AS CR (IAP ASCR), Department of Meteorology.

Academic experience :
Lecture course "Weather chart analysis", Mathematical and Physical Faculty, Charles University, Prague

Professional interests
Mathematical and statistical modelling, objective analysis of meteorological elements, numerical mathematics

Publication in Journals:

Sokol, Z., Bližňák, V., 2009: Areal distribution and precipitation-altitude relationship of heavy short-term precipitation in the Czech Republic in the warm part of the year. Atmos. Res., 94, 652-662.
Sokol, Z., Pešice, P., 2009: Comparing nowcastings of three severe convective events by statistical and NWP models. Atmos. Res., 93, 397-407.
Sokol, Z., 2009: Effects of an assimilation of radar and satellite data on a very-short range forecast of heavy convective rainfalls. Atmos. Res., 93, 188-206.
Řezáčová, D., Zacharov, P., Sokol, Z., 2009: Uncertainty in the area-related QPF for heavy convective precipitation. Atmos. Res., 93, 238-246.
Kašpar, M., Müller, M., Kakos, V., Rezacova, D., Sokol, Z., 2009: Severe storm in Bavaria, the Czech Republic and Poland on 12-13 July 1984: A statistic- and model-based analysis. Atmos. Res., 93, 99-110
Sokol, Z., Kitzmiller, D., Pešice, P., Guan, S., Operational 0-3h probabilistic quantitative precipitation forecasts: Recent performance and potential enhancements. Atmos. Res., 92, 318-330.
Sokol, Z., Rezacova, D., 2009: Assimilation of the radar-derived water vapour mixing ratio into the LM COSMO model with a high horizontal resolution, Atmos. Res., 92, 331-342.
Müller, M., Kašpar, M., Řezáčová, D., Sokol, Z., 2009: Extremeness of meteorological variables as an indicator of extreme precipitation events. Atmos. Res., 92, 308-317.
Bližňák, V., Sokol, Z., 2008. An area distribution of short-term rainfalls in the Czech Republic using meteorological radars. Meteorol. Bulletin, 61, 176-184. ISSN 0026-1173.
Řezáčová, D., Sokol, Z., Pešice, P., 2007. A radar-derived verification of precipitation forecasts for local convective storm. Atmos. Res. 83 (2-4): 211-224.
Sokol, Z., 2007. Very short range precipitation forecasts using statistical advection models. Meteor. Bulletin, 60, 2, 16-28.
Sokol, Z., Řezáčová, D., 2006. Assimilation of radar reflectivity into the LM COSMO model with a high horizontal resolution. Meteorol. Appl. 13, 1-14.
Sokol, Z., 2006. MOS based forecast of 6-hourly area precipitation. Stud. Geophys. Geod. 50, 105-120.
Sokol, Z., Řezáčová, D., 2006. Assimilation of radar reflectivity into a NWP model with a high resolution. Meteor. Bulletin, 59, 1, 18-28.
Müller, M., Kašpar, M., Řezáčová, D., Sokol, Z., 2006. Extremita meteorologických prvků před velkoplošnými dešťovými povodněmi v České republice - index LSF. Meteor. Zprávy, 59, 3, 65-75.
Řezáčová, D., Pešice, P., Sokol, Z., 2005. An estimation of the probable maximum precipitation for river basins in the Czech Republic. Atmos. Res. 77, 407-421.
Řezáčová, D., Kašpar, M., Müller, M., Sokol, Z., Kakos, V., Hanslian, D., Pešice, P., 2005. A comparison of the flood precipitation episode in August 2002 with historic extreme precipitation events on the Czech territory. Atmos. Research, 77 , 354-366.
Sokol, Z., 2003. MOS based precipitation forecasts for river basins. Wea. Forecast. 18, 79-91.
Sokol, Z., 2003. Utilization of Regression Models for Rainfall Estimates Using Radar-Derived Rainfall Data and Rain Gauge Data. J. of Hydrol., 278, 144-152.
Sokol, Z., 2003. The use of radar and gauge measurements to estimate areal precipitation for several Czech river basins. Stud. Geophys. Geod. 47, 587-604.
Řezáčová, D., Sokol, Z., 2003. A diagnostic study of a summer convective precipitation event in the Czech Republic using a nonhydrostatic NWP mode. Atmos. Res. 67-68, 559-572.
Sokol, Z., Řezáčová, D., Pešice, P., 2003. Estimation of point and area precipitation by using raingauge and radar data. Meteorol. Bulletin, 56, 1-12.
Sokol, Z., 2003. Předpověď plošných srážek s využitím statistického postprocessingu modelu ALADIN-LACE. Meteor. Zprávy, 56, 104-112.
Sokol, Z., Řezáčová, D., 2001. Application of classified regression to the statistical correction of radar-based daily precipitation. Meteorol. Bulletin, 54, 2,46-56.
Sokol, Z., Řezáčová, D., 2000. Improvement of local categorical forecasts from an NWP model by various statistical postprocessing models. Studia geoph. et geod. 44, 38-56.
Sokol, Z., 1999. Comparison of several numerical schemes applied to advection equations. Q.J.R. Meteorol. Soc. 125, 213-224.
Boumis, M., Řezáčová, D., Sokol, Z., 1999. Calculation of vertical gradient of atmospheric refractivity making use of 3D objective analysis technique. Electronics Letters, 1583-1584.
Sokol, Z., Řezáčová, D., 1998. Local precipitation forecasting based on the statistical postprocessing of NWP model outputs. Meteorol. Bulletin, 51, 97-105.
Řezáčová, D., Sokol, Z., Štekl, J., 1998. Upper air fields of dynamic and thermodynamic parameters during the extreme precipitation period, July 1997. Meteorol. Bulletin, 51, 1-6.
Sokol, Z., Řezáčová, D., Pešice, P., 1996. The inclusion of surface synoptic data in very short range predictions of convective events. Studia geoph. et geod. 40, 178-186.
Řezáčová, D., Sokol, Z., Pešice, P., 1996. Categorical very short range forecast of convective events using upper air predictors. Meteorol. Appl. 3, 19-30.
Řezáčová, D., Sokol, Z., 1995. Skill of 6hr and 12hr thunderstorm forecasts based on assesment of larger-scale information. Studia geoph. et geod. 39, 60-73.
Sokol, Z., 1995. Comparison of several methods for the solution of the Helmholtz equations. Studia geoph. et geod. 39, 74-83.
Sokol, Z., Štekl J., 1995. Estimation of annual mean ground wind speed over the territory of the Czech Republic. Meteorol. Z. N.F.4, H.5, 218-222.
Sokol, Z., Štekl, J., 1994. 3-D mesoscale analysis of selected elements from SYNOP and SYRED reports. Meteorol. Z. N.F.3, H.4, 242-246.
Sokol, Z., 1994. Tests of data initialization for the purposes of short-range weather forecast. Studia geoph. et geod. 38, 316-324.
Sokol, Z., 1986. Numerical-method of softening point determination after Littleton, Silikaty 30 (3): 239-242.

Conference Publications:

Sokol, Z., 2008. Nowcasting of precipitation by an advective statistical model. ERAD 2008 - THE FIFTH EUROPEAN CONFERENCE ON RADAR IN METEOROLOGY AND HYDROLOGY, ISBN 978-951-697-676-4, CD.
Novák, P., Sokol, Z., 2008. Use of Czech Weather Radar Network Data for Precipitation. Estimating and Nowcasting. World Environmental and Water Resources Congress 2008 Ahupua'a, ASCE, May 12-16, Honolulu, ISBN 978-0-7844-0976-3, CD.
Sokol, Z., Řezáčová, D., 2006. The effect of radar data assimilation on the accuracy of QPF for flash flood rainfalls. 7th INTERNATIONAL WORKSHOP on PRECIPITATION IN URBAN AREAS. Extreme Precipitation, Multisource Data Measurement and Uncertainty. 7-10 December, 2006, 49-53. St. Moritz, Switzerland, ISBN 3-909386-65-2.
Sokol, Z., Kitzmiller, D.H., Pešice, P., Guan, S., 2006. Effects of regional specification on the quality of statistical forecast guidance for short-range precipitation. 7th International workshop on precipitation in urban areas. 7-10 December, St. Moritz, švýcarsko. 192-197. ISBN 3-909386-65-2.
Sokol, Z., 2006. The effect of radar data assimilation on the accuracy of QPF for flash flood rainfalls. ERAD 2006, Fourth European Konference on Radar in Meteorology and Hydrology, Barcelona 18-22 September 2006, ISBN-13:978-84-8181-227-5, ISBN-10:98-8181-227-7. str 531-534.
Řezáčová, D., Sokol, Z., Kašpar, M., 2005. An analysis of quantitative forecasts of convective flash flood precipitation. International conference on innovation, advances and implementation of flood forecasting technology, Tromso, November, Norway.
Sokol, Z., Pešice, P., Kitzmiller, D., Guan, S., 2005. Comparison of several methods for probabilistic forecasting of locally-heavy rainfall in the 0-3 hour timeframe. WWRP Symposium on Nowcasting and Very Short Range Forecasting, Toulouse, France, 5-9 September 2005.
Řezáčová, D., Sokol, Z., 2005. The use of radar data in the verification of a high resolution quantitative forecast of the convective precipitation. WWRP Symposium on Nowcasting and Very Short Range Forecasting, Toulouse, France, 5-9 September 2005.
Pešice, P., Řezáčová, D., Sokol, Z., 2004. Evolution of a local flash flood on July 15 2002 as reflected by Meteosat, radar and NWP model. The 2004 EUMETSAT meteorological satellite conference, Prague, Czech Republic, 31 May - 4 June 2004. 226-231.
Řezáčová, D., Sokol, Z., 2004. Radar verification approach to the QPF for local flash flood storms. ERAD Publication Series vol. 2, in: European Conference on Radar in Meteorology and Hydrology. Visby, Island of Gotland, Sweeden, 6-10 September 2004. 193-196.
Sokol, Z., Řezáčová, D., Pešice, P., 2004. Nowcasting of precipitation by using radar and NWP model data. ERAD Publication Series vol. 2, in: European Conference on Radar in Meteorology and Hydrology. Visby, Island of Gotland, Sweeden, 6-10 September 2004. 444-449.

Contact
e-mail address: sokol[AT]ufa.cas.cz