Doc. RNDr. Zbyněk Sokol, CSc.

Senior Researcher
Head of Meteorological Department IAP AS CR.

Born: 25 December 1959, Prague, Czech Republic

Education:
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