Heat wave occuring from August 25 2025 to August 27 2025 at 48.0°N 58.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan

Duration: 3 days

Time span: August 25 2025 to August 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 30.6 °C

Event center: 48.0°N 58.0°E

Area affected: 53288 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Aug-25_to_2025-Aug-27_58.0_48.0

Heat wave occuring from July 18 2025 to July 21 2025 at 46.5°N 49.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan
  • Russian Federation

Duration: 4 days

Time span: July 18 2025 to July 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 31.0 °C
  • Maximum temperature anomaly: 5.7 °C
  • Maximum temperature: 32.6 °C

Event center: 46.5°N 49.0°E

Area affected: 57209 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jul-18_to_2025-Jul-21_49.0_46.5

Heat wave occuring from July 16 2025 to July 19 2025 at 42.0°N 57.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Iran, Islamic Republic of
  • Kazakhstan
  • Turkmenistan
  • Uzbekistan

Duration: 4 days

Time span: July 16 2025 to July 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 35.8 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 40.2 °C

Event center: 42.0°N 57.5°E

Area affected: 204719 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jul-16_to_2025-Jul-19_57.5_42.0

Heat wave occuring from July 16 2025 to July 18 2025 at 48.5°N 70.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan

Duration: 3 days

Time span: July 16 2025 to July 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 31.1 °C

Event center: 48.5°N 70.5°E

Area affected: 61160 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jul-16_to_2025-Jul-18_70.5_48.5

Heat wave occuring from June 11 2025 to June 14 2025 at 49.0°N 87.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China
  • Kazakhstan
  • Mongolia
  • Russian Federation

Duration: 4 days

Time span: June 11 2025 to June 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.6 °C
  • Mean temperature: 15.3 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 21.2 °C

Event center: 49.0°N 87.0°E

Area affected: 50471 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jun-11_to_2025-Jun-14_87.0_49.0

Heat wave occuring from June 07 2025 to June 15 2025 at 68.0°N 69.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan
  • Russian Federation

Duration: 9 days

Time span: June 07 2025 to June 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.6 °C
  • Mean temperature: 23.0 °C
  • Maximum temperature anomaly: 13.9 °C
  • Maximum temperature: 29.0 °C

Event center: 68.0°N 69.5°E

Area affected: 2477661 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jun-07_to_2025-Jun-15_69.5_68.0

Heat wave occuring from May 21 2025 to May 23 2025 at 53.0°N 79.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan
  • Russian Federation

Duration: 3 days

Time span: May 21 2025 to May 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: 22.0 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 25.6 °C

Event center: 53.0°N 79.5°E

Area affected: 122904 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-May-21_to_2025-May-23_79.5_53.0

Heat wave occuring from February 23 2025 to February 25 2025 at 48.5°N 67.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • Kazakhstan

Duration: 3 days

Time span: February 23 2025 to February 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: -2.5 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: -0.2 °C

Event center: 48.5°N 67.5°E

Area affected: 72996 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Feb-23_to_2025-Feb-25_67.5_48.5

Heat wave occuring from February 18 2025 to March 01 2025 at 43.0°N 79.0°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China
  • Kazakhstan
  • Kyrgyzstan
  • Tajikistan
  • Uzbekistan

Duration: 12 days

Time span: February 18 2025 to March 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: -1.3 °C
  • Maximum temperature anomaly: 12.5 °C
  • Maximum temperature: 12.5 °C

Event center: 43.0°N 79.0°E

Area affected: 289014 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Feb-18_to_2025-Mar-01_79.0_43.0

Heat wave occuring from January 10 2025 to January 23 2025 at 43.0°N 79.5°E

Download data: JSON

Event type: Heat wave

Countries affected (identified with ArcGIS Online; provided only for geographical reference):

  • China
  • Kazakhstan
  • Kyrgyzstan

Duration: 14 days

Time span: January 10 2025 to January 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: -9.9 °C
  • Maximum temperature anomaly: 12.0 °C
  • Maximum temperature: 5.0 °C

Event center: 43.0°N 79.5°E

Area affected: 108151 km$^2$


Fig. 1: Map of most extreme temperature anomalies (standardized) experienced during the event. The purple star indicates the center of the extreme event. Green hatching illustrates all areas under the effect of extremes at some time during the event.



Fig. 2: Evolution of temperature at the center of the event. The climatological percentile distribution is illustrated with color shadings.



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2025-Jan-10_to_2025-Jan-23_79.5_43.0