Dr. Nikolay Penov

Nikolay Penov

Personal Data
Project: SUADA
Function: Now forecaster at Bulatsa
Email: npenov@uni-sofia.bg
Thesis: BSc, MSc, PhD
Sofia University, Faculty of Physics, Department of Meteorology and Geophysics, 5 James Bourchier Blvd., BG-1164 Sofia, Bulgaria

Research Interests

  1. Fog nowcasting in Bulgara

Publications: PhD thesis

  1. Penov N., 2024 "Analysis and forecast of fog with GNSS meteorology and numerical modelling", PhD thesis, Sofia University, Sofia, Bulgaria.

Publications: Articles in Journals

  1. Penov, N. and Guerova, G., 2023. Sofia Airport Visibility Estimation with Two Machine-Learning Techniques. Remote Sensing, 15 (19), 4799.
  2. Penov N., A. Stoycheva and G. Guerova, 2023. Fog at Sofia 2010-2019: objective circulation classification and fog indices. Atmosphere, 14 (5), 773.
  3. Guerova, G., Douša, J., Dimitrova, T., Stoycheva, A., Václavovic, P. and Penov, N., 2022. GNSS storm nowcasting demonstrator for Bulgaria. Remote Sensing, doi:10.3390/rs14153746 14, 15, 3746.
  4. Penov N., A. Stoycheva and G. Guerova, 2022. Fog climatology and stability index for Plovdiv 1991-2018. Proceedings of the Bulgarian Academy of Sciences, 75, 8, 1156-1164. doi:10.7546/CRABS.2022.08.08
  5. Penov N., D. Pancheva, P. Mukhtarov and G. Guerova "Ionospheric response to sudden stratospheric warming in January 2009 recorded by ionosonde measurements", Proceedings of the Bulgarian Academy of Sciences, 68, No 2, 241-250, 2015. Available from: http://www.proceedings.bas.bg/

Publications: Articles in Books

  1. Stoycheva A., N. Penov and G. Guerova, "Investigation of fog in Bulgaria using GNSS tropospheric products", in COST Action ES1206: Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate, Jones J., G. Guerova, J. Dousa, G. Dick, S. de Haan, E. Pottiaux, O. Bock, R. Pacione, R. van Malderen [editors], Springer [publisher], 2020, 206-210, doi:10.1007/978-3-030-13901-8_4.

Oral and poster presentations

  1. Penov N., A. Stoycheva, J. Dousa, P. Vaclavovic and G. Guerova "GNSS Fog nowcasting demonstrator for Sofia", 8th International Colloquium Scientific and Fundamental Aspects of GNSS, 14-16 September 2022, Sofia, Bulgaria. (oral)
  2. Penov N., A. Stoycheva and G. Guerova "Fog climatology and stability index for Plovdiv 1991-2018", EMS Annual Meeting 2021, online, 6–10/09/2021. (poster)
  3. Penov N.,"Fog monitoring with GNSS and NWP", 1st colloquium “GNSS applications in the BalkanMed region, 30-31/01/2020 Sofia Bulgaria. (oral)
  4. Penov N., "Numerical simulations of three fog cases in Sofia and Plovdiv", Physics and chemistry of the Earth System training seminar, 1/06/2019 Varshets Bulgaria. (oral)
  5. Penov N., A. Stoycheva, I. Manafiov, K. Vassileva, and G. Guerova "NWP simulations of three fog cases at Sofia and Plovdiv airports", EGU 7-12/04/2019 Vienna Austria. (poster)
  6. N. Penov, "Ionospheric response to sudden stratospheric warming during January 2009 seen by ionosonde measurements", GNSS4SWEC summer school, 8-11/09/2014, Golden Sands, Bulgaria. (poster)

Media: High school publications

  1. N. Penov, "Monitoring migrations with GNSS", Priroda magazine, v 1, pp. 100-104, 2013.