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<p>Heatwaves must be analysed in relation to the climatological characteristics of cities. A sea-surface location in İstanbul was analysed for June 2024 using the heatwave analysis approach. After the peak values of the heatwave unit, RH, and SST, convective precipitation developed at the location and was associated with a cold-front passage identified within the heatwave analysis framework.The heat loss associated with the cold-front passage was identified and quantified, representing the post-heatwave cold-front intensity. The heat contribution of pollutants during this cold-front passage was also detected on 13 June. A chronic heatwave lasting 27 days was identified in İstanbul during June 2024. Convective precipitation occurred on 13 and 14 June following three consecutive days of high RH (9–11 June), the peak heatwave-unit value on 11 June, the peak SST on 12 June, and the peak synergistic air-pollution levels of the criteria pollutants on 13 June. Throughout June 2024, both individual and synergistic air-pollution effects were observed, and the warming, cooling, and precipitation-related characteristics of these pollutants were identified at the location.</p>

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Heatwave Analysis and Identification in Relation to Convective Development and Precipitation

  • 期刊论文

  • 发表日期：

    2026年1月9日

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  • Anıl Eken

摘要

Heatwaves must be analysed in relation to the climatological characteristics of cities. A sea-surface location in İstanbul was analysed for June 2024 using the heatwave analysis approach. After the peak values of the heatwave unit, RH, and SST, convective precipitation developed at the location and was associated with a cold-front passage identified within the heatwave analysis framework.The heat loss associated with the cold-front passage was identified and quantified, representing the post-heatwave cold-front intensity. The heat contribution of pollutants during this cold-front passage was also detected on 13 June. A chronic heatwave lasting 27 days was identified in İstanbul during June 2024. Convective precipitation occurred on 13 and 14 June following three consecutive days of high RH (9–11 June), the peak heatwave-unit value on 11 June, the peak SST on 12 June, and the peak synergistic air-pollution levels of the criteria pollutants on 13 June. Throughout June 2024, both individual and synergistic air-pollution effects were observed, and the warming, cooling, and precipitation-related characteristics of these pollutants were identified at the location.