Case Study - DOHA 2019 IAAF World Athletics Championship (27 September – 6 October)
Page 1 / Page 2
Assessment of the Meteorological Risks
In Doha (Qatar), during fall, there are two types of adverse meteorological conditions to be considered: 1. extremely hot and / or humid conditions 2. the risk of dust storms The Wet Bulb Globe Temperature (WBGT) is a composite temperature. It estimates the effect of temperature, solar radiation and wind speed on the human body. The WBGT is not the same as the ambient (dry) temperature, as it takes into account the levels of radiation, wind movement, humidity and the ambient temperature. Hot and humid weather conditions are represented in the table.
Case Study Questions
Organizing a major sporting event in Qatar during the fall remains a challenge from a climatic perspective:
- Critically evaluate the potential risk and impact of WBGT during the World Athletics Championships in Doha 2019.
- How would you have managed this risk?
Case Study - DOHA 2019 IAAF World Athletics Championship (27 September – 6 October)
Page 2 / Page 2
Assessment of the Meteorological Risks
During late September and early October, mean WBGT is expected to be above 28°C (black flag) between 7 a.m. and 5 p.m. Should a heat wave (at least 2 consecutive days with unusually high level of air temperature) occur, this black flag period can be extended from 6 a.m. to midnight. During this period of the year, relative humidity is also expected to be from moderate to high, with the highest levels observed between 6 p.m. and 8 a.m. This relative humidity profile is negatively correlated with the level of solar exposure and radiation. From a thermoregulatory perspective, this is a dilemma since organizers must choose between the lesser of two evils; in this case high relative humidity.
DOHA 2019 IAAF World Athletics Championship
Stacie Gray
Created on August 11, 2022
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Transcript
Case Study - DOHA 2019 IAAF World Athletics Championship (27 September – 6 October)
Page 1 / Page 2
Assessment of the Meteorological Risks
In Doha (Qatar), during fall, there are two types of adverse meteorological conditions to be considered: 1. extremely hot and / or humid conditions 2. the risk of dust storms The Wet Bulb Globe Temperature (WBGT) is a composite temperature. It estimates the effect of temperature, solar radiation and wind speed on the human body. The WBGT is not the same as the ambient (dry) temperature, as it takes into account the levels of radiation, wind movement, humidity and the ambient temperature. Hot and humid weather conditions are represented in the table.
Case Study Questions
Organizing a major sporting event in Qatar during the fall remains a challenge from a climatic perspective:
Case Study - DOHA 2019 IAAF World Athletics Championship (27 September – 6 October)
Page 2 / Page 2
Assessment of the Meteorological Risks
During late September and early October, mean WBGT is expected to be above 28°C (black flag) between 7 a.m. and 5 p.m. Should a heat wave (at least 2 consecutive days with unusually high level of air temperature) occur, this black flag period can be extended from 6 a.m. to midnight. During this period of the year, relative humidity is also expected to be from moderate to high, with the highest levels observed between 6 p.m. and 8 a.m. This relative humidity profile is negatively correlated with the level of solar exposure and radiation. From a thermoregulatory perspective, this is a dilemma since organizers must choose between the lesser of two evils; in this case high relative humidity.