The reviewers are thanked for greatly improving the quality of the manuscript.
ATNS, 2017: Air traffic flow management: CAMU. Air Traffic and Navigation Services. [Available online at https://www.atns.com/atfm.php#subnav.]
Cunningham, J., L. Cook, and C. Provan, 2012: The utilization of current forecast products in a probabilistic airport capacity model. Third Aviation, Range, and Aerospace Meteorology Special Symp. on Weather–Air Traffic Management Integration, New Orleans, LA, Amer. Meteor. Soc., 540. [Available online at https://ams.confex.com/ams/92Annual/webprogram/Paper203462.html.]
DeLaura, R., M. Robinson, R. Todd, and K. MacKenzie, 2008: Evaluation of weather impact models in departure management decision support: Operational performance of the Route Availability Planning Tool (RAPT) prototype. 13th Conf. on Aviation, Range, and Aerospace Meteorology, New Orleans, LA, Amer. Meteor. Soc., 2.1. [Available online at https://ams.confex.com/ams/88Annual/techprogram/paper_132880.htm.]
EUROCONTROL, 2014: Weather projects and initiatives—2014. [Available online at http://www.eurocontrol.int/news/weather-projects-and-initiatives-2014.]
Evans, J. E., and M. Robinson, 2005: Assessment of aviation delay reduction benefits for nowcasts and short term forecasts. Proc. Symp. on Nowcasting and Very Short Term Forecasts, Toulouse, France, World Weather Research Programme. [Available online at https://www.ll.mit.edu/mission/aviation/publications/publication-files/ms-papers/Evans_2005_WSN_MS-21363_WW-18698.pdf.]
ICAO, 2013: Annex 3: Meteorological Service for International Air Navigation. 18th ed. 187 pp.
Jacobs, Q., 2015: Evaluating human-processed forecasts provided to the aviation industry in South Africa. M.S. dissertation, Dept. of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa, 130 pp. [Available online at http://repository.up.ac.za/handle/2263/45916.]
Klein, A., S. Kavoussi, and R. S. Lee, 2009: Weather forecast accuracy: Study of impact on airport capacity and estimation of avoidable costs. Eighth USA/Europe Air Traffic Management Research and Development Seminar, Napa, CA, FAA–EUROCONTROL, 8. [Available online at http://www.atmseminar.org/seminarContent/seminar8/papers/p_008_W.pdf.]
Mahapatra, P. R., and D. S. Zrnić, 1991: Sensors and systems to enhance aviation safety against weather hazards. Proc. IEEE, 79, 1234–1267, doi:10.1109/5.97295.
Markovic, D., T. Hauf, P. Röhner, and U. Spehr, 2008: A statistical study of the weather impact on punctuality at Frankfurt Airport. Meteor. Appl., 15, 293–303, doi:10.1002/met.74.
Mitchell, M. D., and P. W. Suckling, 1987: Winter fog and air transportation in Sacramento, California. Climatol. Bull., 21, 16–22.
Peck, L., and D. W. Hedding, 2014: Tourist perceptions of air travel and climate change: An assessment of the polluters pay principle in South Africa. Afr. J. Hospitality Tourism Leisure, 31. [Available online at http://www.ajhtl.com/uploads/7/1/6/3/7163688/revised_article_54_vol_3_1.pdf.]
Pejovic, T., R. B. Noland, V. Williams, and R. Toumi, 2009: A tentative analysis of the impacts of an airport closure. J. Air Transp. Manage., 15, 241–248, doi:10.1016/j.jairtraman.2009.02.004.
Sasse, M., and T. Hauf, 2003: A study of thunderstorm-induced delays at Frankfurt Airport, Germany. Meteor. Appl., 10, 21–30, doi:10.1017/S1350482703005036.
SAWS, 2012: Aeronautical climatological summary. South African Weather Service, Pretoria, South Africa, 31 pp.
Tilana, L., 2011: Impact of strategic demand management on runway capacity at Oliver Reginald Tambo International Airport. M.S. thesis, Dept. of Engineering, University of the Witwatersrand, Johannesburg, South Africa, 146 pp. [Available online at http://wiredspace.wits.ac.za/handle/10539/11945.]
Van Schalkwyk, L., and L. L. Dyson, 2013: Climatological characteristics of fog at Cape Town International Airport. Wea. Forecasting, 28, 631–646, doi:10.1175/WAF-D-12-00028.1.