Heat waves

Below the (regional) heat waves as recorded at Twente Airport since August 1981 according to the data in the file etmgeg_290.zip from the Royal Netherlands Meteorological Institute. The definition of a heat wave is a periode of at least five days where the temperature is above 25°C with at least three days above 30°. This page is generated by the program temprecords.cpp.

July 29 - August 4, 1982: Heat wave with 7 days with 3 days above 30°C
July 30 - August 4, 1990: Heat wave with 6 days with 3 days above 30°C
July 19-28, 1994: Heat wave with 10 days with 6 days above 30°C
July 30 - August 6, 1994: Heat wave with 8 days with 5 days above 30°C
August 5-14, 1997: Heat wave with 10 days with 4 days above 30°C
July 28 - August 6, 1999: Heat wave with 10 days with 4 days above 30°C
July 31 - August 13, 2003: Heat wave with 14 days with 3 days above 35°C and 4 days above 30°C
August 2-12, 2004: Heat wave with 11 days with 6 days above 30°C
July 15-30, 2006: Heat wave with 16 days with 1 day above 35°C and 8 days above 30°C
July 24 - August 2, 2008: Heat wave with 10 days with 3 days above 30°C
June 26 - July 4, 2010: Heat wave with 9 days with 4 days above 30°C
July 7-14, 2010: Heat wave with 8 days with 6 days above 30°C
July 21-27, 2013: Heat wave with 7 days with 3 days above 30°C
July 16-20, 2014: Heat wave with 5 days with 3 days above 30°C
June 30 - July 5, 2015: Heat wave with 6 days with 1 day above 35°C and 3 days above 30°C
July 12 - August 9, 2018: Heat wave with 29 days with 3 days above 35°C and 12 days above 30°C
July 18-30, 2019: Heat wave with 13 days with 3 days above 35°C and 4 days above 30°C
August 22-28, 2019: Heat wave with 7 days with 5 days above 30°C
August 5-16, 2020: Heat wave with 12 days with 10 days above 30°C
June 16-20, 2021: Heat wave with 5 days with 3 days above 30°C
August 9-17, 2022: Heat wave with 9 days with 5 days above 30°C
August 19-25, 2022: Heat wave with 7 days with 3 days above 30°C
June 8-21, 2023: Heat wave with 14 days with 3 days above 30°C
September 4-11, 2023: Heat wave with 8 days with 3 days above 30°C
August 11-15, 2025: Heat wave with 5 days with 3 days above 30°C
June 18 - July 1, 2026: Heat wave with 14 days with 1 day above 35°C and 7 days above 30°C

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