31 October 2017
Congratulations to Ilian Manafov's for successful defence of his PhD thesis.
26 October 2017
Guergana Guerova attended and gave oral and poster presentations at the 6th International Colloquium Scientific and Fundamental Aspects of the Galileo Programme, 25-27 October 2017, Valencia, Spain.
19 September 2017
The Sofia University booklet presents the BalkanMed Severe Weather Service project.
11-15 September 2017
Bilyana Mircheva attended the EGSIEM Autumn School for Satellite Gravimetry Applicaiton, 11-15 September, September 2017, GFZ Helmholtz Centre, Potsdam, Germany.
4-8 September 2017
Guergana Guerova was a co-convener of the session OSA1.4 "Meteorological observations from GNSS and Copernicus satellites" of the 2017 EMS Annual Meeting: European Conference for Applied Meteorology and Climatology, 4-8 September 2017, Dublin, Ireland.
26 June 2017
Today at 2pm is Ilian Manafov's PhD thesis presentation titled "Fog prediction at Sofia Airport".
27 April 2017
Congratulations to Gabriela Tepsizova for successfully defending her MSc thesis titled "Extreme weather events in South-east Europe: 2014 floods".
27 April 2017
Tzvetan Simeonov attended and gave a poster presentation at the European Geosciences Union General Assembly, Vienna, Austria, 23-28 April 2017.
20 April 2017
Martin Slavchev attended and presented a poster at the 2nd European Hail Workshop, 19 -21 April 2017, University of Bern, Switzerland.
4 April 2017
Guergana Guerova gave an invite lecture titled "Weather prediction and the Global Navigation Satellite Systems" at the University of Mining and Geology ”St. Ivan Rilski”, Sofia, Bulgaria.
10 March 2017
The "Soil moisture and GNSS: Explained" video has been selected as one of the finalists in the 2017 EGU Communicate Your Science Video Competition. The public voting will open from Wednesday 15th March until midnight (CEST) on 27 April. Looking forward to the final results!
10 January 2017
Nikolay Penov is accepted as a PhD student in the Department of Meteorology and Geophysics. Welcome back in the team Nikolay!
3 December 2016
The Ionosphere and GNSS: Explained is included at 2016 AGU Cinema. AGU cinema is to show samples and showcase the variety of films used in communicating science and in science education. The film was reviewed by the AGU Cinema 2016 group - including scientists, filmmakers, and educators.
8 November 2016
The GNSS Meteorology review paper is published in the Atmospheric Measurement Techniques journal.
4 November 2016
Keranka Vassileva presented our collaborative work at the 26th International symposium "Modern technologies, education and professional practice in geodesy and related fields" in Sofia, Bulgaria.
28 October 2016
Guergana Guerova chaired the PhD exam committee of Jens Bonevitz.
26 October 2016
Guergana Guerova gave two lectures at the 2nd International Training School on "Convective and volcanic clouds detection, monitoring and modeling", Tarquinia, Italy, 19-28 October 2016.
18 October 2016
Guergana Guerova was a member of the PhD exam committee of Damian Barantiev.
29 September - 2 October 2016
Guergana Guerova, Anastasia Stoycheva and Krasimir Stoev presented their work at the 3rd Congress of Physics, in Sofia, Bulgaria. Martin Slavchev and Ilian Manafov presented posters.
12-16 September 2016
Guergana Guerova gave and an oral and poster presentation at the 16th EMS Annual Meeting & 11th European Conference on Applied Climatology, 12-16 September 2016, Trieste, Italy.
1-2 September 2016
Guergana Guerova, Anastasia Stoycheva, Bilyana Mircheva, Krasimir Stoev, Martin Slavchev and Tzvetan Simeonov, attended the GNSS4SWEC working group meeting, 1-2 September 2016, GFZ, Potsdam, Germany. See the SUADA team pictures from the GFZ here and here.
21 July 2016
Congratulations to Viktoria Kleshtanova for successfully defending her BSc thesis.
21 June 2016
Bilyana Mircheva and Krasimir Stoev are the new members of the SUADA team. Biliana's PhD topic is Remote sensing the hydrology cycle with the Global Navigation Satellite Systems in South-east Europe. Krasimir will do PhD on Severe weather and the Mediterranean cyclones. We welcome them warmly and wish them success.
18 June 2016
Guergana Guerova attended the 4th annual meeting of the Bulgarian avio-meteorologic club and gave a presentation about COST Action ES1206 and the Bulgarian contribution.
10 March 2016
The SUADA team attended the 3rd GNSS4SWEC workshop in Reykjavik Iceland and gave 3 oral presentation at WG2 and WG3 sessions. The GNSS4SWEC community was invited to the residency of the fifth President of the Republic of Iceland Prof. Ólafur Ragnar Grímsson.
1 March 2016
Nikolay Petkov joined the SUADA team. Nikolay will work on GNSS application for convection and fog monitoring.
16 February 2016
SUADA database web interface has been updated. The new SUADA version 4 database is now available and fully functioning. Every visitor is welcome to use our download page to retrieve data from our database and compare it with their own data and measurements. If you have some problems with accessing the database, please write to email@example.com for more information.
22 December 2015
The SUADA v4 is now ready for testing. This version has a major change in the structure and includes fully the NWP data from the WRF model. Thanks to Tzvetan for his work and effort!
18 December 2015
Today is the goodbye party of Tzvetan Simeonov. Tzvetan is starting to work at GFZ. Congratulations! We will miss you!
3 December 2015
Tzvetan Simeonov and Assoc. Prof. Elisaveta Peneva participated in Bulgarian National Radio emission about the "Paris Climate Change Conference COP21".
30 November 2015
Nikoaly Petkov joined the SUADA team. It is pleasure to welcome Nikolay in our team and we look forward to work with him!
17 November 2015
The third GNSS video is completed. It is called Soil moisture and GNSS: Explained and is available on Youtube. Enjoy!
29 October 2015
Guergana Guerova attended and gave two oral presentations at the 5th International Colloquium Scientific and Fundamental Aspects of the Galileo Programme, 27-29 October 2015, Braunschweig, Germany.
8 October 2015
Guergana Guerova was a lecturer at the 1st International Training School on "Convective and volcanic clouds detection, monitoring and modeling", Castiglione del Lago, Italy, 4-9 October, 2015.
18 September 2015
Assoc. Prof. Rumjana Mitzeva attended the European Conference on Severe Storms (ECSS), 14-18 September 2015, Wiener Neustadt, Austria, and gave a poster presentation titled "Use of GNSS water vapour for severe weather studies in Bulgaria: hail and heavy rain in 2012".
9 September 2015
Guergana Guerova and Jonathan Jones chaired the OBS4 session "Meteorological observations from ground and space-based Global Navigation Satellite System (GNSS)" at the EMS & ECAM in Sofia, Bulgaria.
2 September 2015
The "Study of fog in Bulgaria by using the GNSS tropospheric products and large scale dynamic analysis" is in press in the Journal of Atmospheric and Solar-Terrestrial Physics.
20 August 2015
Guergana Guerova presented the ongoing work in GNSS Meteorology in Bulgaria/South-Eastern Europe at the School of Civil & Environmental Engineering, The University of New South Wales, Sydney, Australia.
1 August 2015
Evgenia Egova is now working at the National Institute of Meteorology and Hydrology. Congratulations Evgenia!
1 July 2015
Martin Slavchev, is accepted as a PhD student in the Department of Meteorology and Geophysics. Good luck, Martin!
22 May 2015
Keranka Vassileva attended and gave oral presentation tittled "SUGAC: Sofia University GNSS Analysis Center"at the United Nations/Russian Federation Workshop on the Applications of Global Navigation Satellite Systems, 18-22 May 2015, Krasnoyarsk, Russia.
18 May 2015
Volker Schwieger and Guergana Guerova chaired the session "TS01G - Atmospheric Aplication of GNSS" at the FIG working week in Sofia, Bulgaria.
15 May 2015
Guergana Guerova was member of F. Ahmed's PhD examination committee at University of Luxembourg.
7 May 2015
Guergana Guerova and Ventsislav Danchovski attended the COST Action ES1301 - TOPROF meeting in Granada Spain, 5-7 May 2015.
17 April 2015
Tzvetan Simeonov attended and gave a poster presentation at the European Geosciences Union General Assembly, Vienna, Austria, 12-17 April 2015.
18 March 2015
Session on "Meteorological observations from ground and space-based Global Navigation Satellite System (GNSS)" at the 15th Annual Meeting of the European Meteorological Society (EMS), 7 – 11 September 2015 in Sofia, Bulgaria.
1 March 2015
A special session on “Atmospheric application of GNSS” in Commission 5 program of the FIG working week, 17-21 May 2015 in Sofia, Bulgaria.
3 February 2015
The second GNSS video is ready. It is called The Ionosphere and GNSS: Explained and is already availible on youtube. Enjoy!
16 January 2015
The "GNSS Meteorology: Explained" video was awarded first place in the Marie Curie Alumni Association, Communication Working Group (MCAA CWG) video competition . Thank you to the jury and MCAA CWG for the possibility to advertise the video!
2 December 2014
Keranka Vassileva gave oral presentation tiled "Fog forecast impact studies for Sofia Airport: Numerical Weather Prediction simulation and use of GNSS tropospheric products" at the United Nations/ICTP Workshop on the Use of Global Navigation Satellite Systems for Scientific Applications, 1-5/12/2014, Trieste, Italy.
1 December 2014
Martin Slavchev joined the SUADA team. Martin is working on his MSc thesis on development of hight resolution 2D IWV maps for Bulgaria and Greece to study 22 precipitation cases in 2012.
24-28 November 2014
Tzvetan Simeonov attended the NAPEOS training course held at ESA Mission Control (ESOC) in Darmstadt, Germany.
7 November 2014
Guergana Guerova and Tzvetan Simeonov gave talks at the 24th International symposium "Modern technologies, education and professional practice in geodesy and related fields" in Sofia, Bulgaria.
23 October 2014
Guergana Guerova is awarded outstanding reviewer status for Advances in Space Research journal. This status is awarded to the top 10th percentile of reviewers for the Journal, in terms of the number of manuscript reviews completed in the last two years.
20-24 October 2014
Professor Norman Teferle from the University of Luxembourg is visiting the Department of Meteorology and Geophysics of Sofia University this week. Prof. Teferle will give the following lectures:
- 21.10.2014 5-7 pm: Guest speaker at Club “Cyclone” - "Remote sensing of the atmosphere with geodetic techniques. Current Research at the University of Luxembourg"
- 22.10.2014 5-7 pm: "Climate and Sea Level Changes"
- 23.10.2014 10-12 pm: "Terrestrial and Space-based Techniques for Monitoring Millimetric Land Level Changes"
- 23.10.2014 12-2 pm "Vertical Land Movements for Sea Level Studies in the United Kingdom: Evidence from GPS, Absolute Gravity and Persistent Scatterer Interferometry"
The visit is part of the ERASMUS teaching staff exchange agreement between the Department and University of Luxembourg.
19 October 2014
Congratulations to Nikolay Petkov! His study of 25 weather related sayings from the Bulgarian folklore was published in the third issue for 2014 of the popular science magazine "Priroda" of the Bulgarian Academy of Sciences.
9 October 2014
The SUADA GNSS video "GNSS Meteorology: Explained" is one of the 7 short videos selected in Marie Curie Alumni Association (MCAA) Video Competition. MCAA members will vote until 17th November 2014 and we look forward to the results.
24 September 2014
The good-bye party of the SUADA team member Evgenia Egova. Evgenia will be at University of Bonn, Germany for one semester ERASMUS exchange. We wish her "gute Reise"!
14 September 2014
Tzvetan Simeonov, Evgenia Egova, Nikolay Penov and Biliana Mircheva attended the GNSS4SWEC summer school 8-11 September 2014, Golden Sands, Bulgaria.
21 August 2014
The SUADA paper is published in the Atmospheric Measurement Techniques.
1 July 2014
Stoyan Stoyanov jointed the SUADA team. Stoyan is going to work with ceilometre and GNSS IWV data to study the Planetary Boundary Layer Dynamics.
1 July 2014
Zlatina Dimitrova jointed the SUADA team. Zlatina is going to work on the GNSS for ionosphere monitoring video project.
28 April - 16 May 2014
Peter Szabo, from the Climate Modelling Group of the Hungarian Meteorological Service, Budapest, Hungary, visited Sofia University for a GNSS4SWEC Short Term Scientific Mission (STSM). The STSM aimed to facilitate the use of GNSS tropospheric products in the ALADIN-Climate regional climate model.
9 April 2014
The youngest member of the Club "Cyclon" Nikolay Petkov, presented a study of 25 weather related sayings from the Bulgarian folklore.
25 March - 6 April 2014
Tzvetan Simeonov visited Prof. Norman Teferle group at University of Luxembourg for 2 weeks training on GNSS processing with the NAPEOS software. The training is a first step towards establishment of the Sofia University GNSS Analysis Centre (SUGAC).
13 March 2014
Tropospheric products from over 40 GNSS stations in Greece (blue pointers) are added to the SUADA via collaboration with Prof. Chris Pikridas from Aristotle University of Thessaloniki.
13 March 2014
Biliana Mircheva joint the SUADA team. Biliana will work on her BSc thesis titled "GNSS radio occultation".
1 March 2014
Congratulations to Nikolay Penov for qualifying for the final competition of the Bulgarian Famelab. Nikolay impressed the jury with the topic of "optical phenomenon mirages". We wish him success in the final on May 9!
26-28 February 2014
Guergana Guerova participated in the GNSS4SWEC workshop in Munich, Germany.
25 January 2014
Work on the SUADA GNSS video started with the development of concept and first experiments with the photographic equipment.
13 December 2013
Guergana Guerova gave an oral and a poster presentation at the 46th annual Fall Meeting of the American Geophysical Union, San Francisco, USA.
4 December 2013
Guergana Guerova is the first Bulgarian elected as associate members of the International GNSS Service (IGS).
4 December 2013
Guergana Guerova gave two talks at the 4th Colloquium Scientific and Fundamental Aspects of the Galileo Programme, Prague, Czech Republic.
25 November 2013
Congratulation to Nikolay Penov for receiving the Sofia University "Alma mater" award for excellence in study and research!
7 November 2013
Guergana Guerova gave a talk at the 23th International symposium "Modern technologies, education and professional practice in geodesy and related fields" in Sofia, Bulgaria.
22 October 2013
The People page is updated. Added is our contribution to the GNSS4SWEC project.
16-17 October 2013
Guergana Guerova, Nadezhda Yordanova, Evgenia Egova and Tzvetan Simeonov presented SUADA status and future development at the first COST ES1206 GNSS4SWEC working group meeting in Valencia, Spain.
1 October 2013
New group for weather enthusiast named Club "Cyclon" is established at the Department of Meteorology and geophysics. Twice monthly Dr. Guergana Guerova and Krasimir Stoev, operational weather forecaster at the Bulgarian National Institute of Meteorology and Hydrology, will shear the secrets of weather forecasting. Bachelor students year 1 to 3 welcomed!
4 September 2013
A poster titled "IAG 4.3.3 working group - Integration of GNSS atmospheric models with NWP models" by J. Bosy, H. Vedel, J. Jones, J. Dousa, R. Pacione, G. Guerova, N. Teferle, Sh. Song, A. Furqan and J. Kaplon is presented at the IAG Scientific Assembly in Potsdam, Germany.
2 July 2013
Guergana Guerova gave a lecture on GNSS Meteorology at the second GfG2 Summer School in Potsdam, Gemany 1-3 July. From the SUADA team Nadezhda Yordanova, Tzvetan Simeonov and Petya Petkova's attended the school.
29 April 2013
Evgeni Vladimirov is in the Bulgarian Famelab final. Evgeni impressed the jury with the problem of "the space trash". Congratulations and best wishes for the final on May 10! We will join you on Friday!
19 April 2013
Guergana Guerova is in the expert video highlight of the GfG2 Second Roadmap Workshop in University of Leicester, UK.
24 March 2013
! NB Guergana Guerova wrote: The web access to the SUADA data is restored. Thank you for your patience!
17 March 2013
Guergana Guerova wrote: The web access to the SUADA data is temporary closed due to ongoing update of the database including improvements of the tables. The access will be restored by latest 22.03.2013. Data request are accepted my sending email: firstname.lastname@example.org . Thank you!
11 February 2013
Guergana Guerova is elected member of WG4.3.3 Integration of GNSS atmosphere models with NWP models of the Sub-Commission 4.3: Remote Sensing and Modelling of the Atmosphere of the International Association of Geodesy (IAG).
8 February 2013
Welcome party of Tzvetan Simeonov. Tzvetan is back after one ERASMUS semester at the University of Bern, Switzerland.
3-7 December 2012
A poster titled "G11A-0901: International Collaboration in the field of GNSS-Meteorology and Climate Monitoring" by Jonathan Jones, Guergana Guerova, Jan Dousa, Olivier Bock, Gunnar Elgered, Henrik Vedel, Eric Pottiaux, Siebren de Haan, Rosa Pacione, Galina Dick, Junhong Wang, Seth I Gutman, Jens Wickert, Kalev Rannat, George Liu, John J Braun, Yoshinori Shoji was presented at the 45th annual Fall Meeting of the American Geophysical Union, San Francisco, USA.
5 December 2012
Start of a new COST Action ES1206 "Advanced Global Navigation Satellite Systems tropospheric products for monitoring severe weather events and climate (GNSS4SWEC)".
22 November 2012
Congratulations to Evgeni Vladimirov for receiving the Sofia University "Alma mater" award for excellence in study and research
13 November 2012
Today Guergana Guerova gave an overview lecture on "Global Navigation Satellite Systems (GNSS): GPS, GLONASS and Galileo" at the National Culture High School, Gorna Bania, Bulgaria.
9 November 2012
Nadezhda Yordanova and Evgeni Vladimirov gave oral presentations at the young scientists session of the 22th International symposium "Modern technologies, education and professional practice in geodesy and related fields", Sofia, Bulgaria
9 November 2012
Stations location map added to In Brief section
26 October 2012
Welcome to the new team member Evgenia Egova!
30 August 2012
The good-bye party of the SUADA team member Tzvetan Simeonov. Tzvetan is leaving for University of Bern, Switzerland for one semester ERASMUS exchange. We wish him "gute Reise/bon voyage"!
12-16 August 2012
Nadezhda Yordanova and Nikolay Penov will attend the GfG2 Summer school in Nottingham, UK. Nadezhda will present the first results of "Applications of GNSS for severe weather events in Southeast Europe".
23-27 July 2012
At the IGS workshop in Olsztyn, Poland the database was presented on the poster: "SUADA: Sofia University Atmospheric Data Archive". A newly proposed COST Action "Advanced GNSS Tropospheric Products for the Monitoring of Severe Weather Events and Climate (GNSS4SWEC)" was presented by Dr. Jonathan Jones.
Guergana Guerova became a member of the working group WG4.3.3 Integration of GNSS atmosphere models with NWP models in Sub-Commission SC 4.3 – Remote sensing and modelling of the atmosphere of the International Association of Geodesy .
19-20 January 2012
Our team hosted a COST pre-proposal drafting meeting attended by Jan Dousa (GOP, Czech Republic), Jonathan Jones (Metoffice, UK), Galina Dick (GFZ, Germany), Olivier Bock (IGN, France) and Guergana Guerova (Sofia University, Bulgaria).
25 November 2011
Congratulations to Tzvetan Simeonov who received the Sofia University "Alma mater" award for excellence in study and research!
Dr. Guerova become a member of the IGS Troposphere Working Group. Dr. Guerova is the first Bulgarian member of an IGS Working Group.
31 August-2 September 2011
At the 3rd International Colloquium - Galileo Science in Copenhagen, Denmark our team presented "GNSS and heat waves: case studies for 2003 and 2007".
12 August 2011
An article titled ”How to write project / Career opportunities for young scientist in Bulgaria”, in the Bulgarian newspaper ”Kapital”, presents Guergana Guerova experience with writing a Marie Curie project.
21 July 2011
Congratulations to Tzvetan Simeonov for the successful defend of his BSc thesis "Application of ground-based GNSS meteorology in Bulgaria"!
16 April 2011
Congratulations to Guergana Guerova for winning the 3rd place award with the speech "GPS and weather prediction" at the 17 annual Japanese language speech contest organised by the Japanese Embassy in Bulgaria!
4-8 April 2011
At the EGU conference in Vienna, Austria we presented "Water vapour anomaly during the 2003 and 2007 heat waves in Switzerland and Bulgaria".