Heat wave occuring from November 14 2025 to November 18 2025 at 70.5°N 63.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: November 14 2025 to November 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 0.1 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 1.9 °C

Event center: 70.5°N 63.0°E

Area affected: 154562 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-Nov-14_to_2025-Nov-18_63.0_70.5

Heat wave occuring from November 14 2025 to November 16 2025 at 56.0°N 60.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: November 14 2025 to November 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: 2.9 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 6.4 °C

Event center: 56.0°N 60.5°E

Area affected: 55362 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-Nov-14_to_2025-Nov-16_60.5_56.0

Cold spell occuring from November 09 2025 to November 15 2025 at 74.5°N 122.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: November 09 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -11.6 °C
  • Mean temperature: -34.7 °C
  • Minimum temperature anomaly: -19.2 °C
  • Minimum temperature: -44.9 °C

Event center: 74.5°N 122.0°E

Area affected: 459376 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: Cold_spell_2025-Nov-09_to_2025-Nov-15_122.0_74.5

Cold spell occuring from November 09 2025 to November 15 2025 at 64.0°N 101.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: November 09 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -12.6 °C
  • Mean temperature: -34.6 °C
  • Minimum temperature anomaly: -20.0 °C
  • Minimum temperature: -42.1 °C

Event center: 64.0°N 101.0°E

Area affected: 725265 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: Cold_spell_2025-Nov-09_to_2025-Nov-15_101.0_64.0

Cold spell occuring from November 09 2025 to November 13 2025 at 71.5°N 133.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 5 days

Time span: November 09 2025 to November 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -10.3 °C
  • Mean temperature: -33.6 °C
  • Minimum temperature anomaly: -14.7 °C
  • Minimum temperature: -41.2 °C

Event center: 71.5°N 133.0°E

Area affected: 95764 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: Cold_spell_2025-Nov-09_to_2025-Nov-13_133.0_71.5

Cold spell occuring from November 06 2025 to November 10 2025 at 58.0°N 153.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 5 days

Time span: November 06 2025 to November 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: -14.4 °C
  • Minimum temperature anomaly: -20.9 °C
  • Minimum temperature: -39.5 °C

Event center: 58.0°N 153.0°E

Area affected: 304784 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: Cold_spell_2025-Nov-06_to_2025-Nov-10_153.0_58.0

Cold spell occuring from November 03 2025 to November 08 2025 at 68.0°N 185.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 6 days

Time span: November 03 2025 to November 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -13.9 °C
  • Minimum temperature anomaly: -12.4 °C
  • Minimum temperature: -20.4 °C

Event center: 68.0°N 185.0°E

Area affected: 83118 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: Cold_spell_2025-Nov-03_to_2025-Nov-08_185.0_68.0

Heat wave occuring from October 25 2025 to October 27 2025 at 67.0°N 94.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 3 days

Time span: October 25 2025 to October 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.9 °C
  • Mean temperature: -2.9 °C
  • Maximum temperature anomaly: 11.5 °C
  • Maximum temperature: 0.0 °C

Event center: 67.0°N 94.0°E

Area affected: 76387 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-Oct-25_to_2025-Oct-27_94.0_67.0

Heat wave occuring from October 24 2025 to November 02 2025 at 46.5°N 54.0°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 10 days

Time span: October 24 2025 to November 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 6.2 °C
  • Maximum temperature anomaly: 10.9 °C
  • Maximum temperature: 15.5 °C

Event center: 46.5°N 54.0°E

Area affected: 1745182 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-Oct-24_to_2025-Nov-02_54.0_46.5

Cold spell occuring from October 19 2025 to November 11 2025 at 67.0°N 165.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 24 days

Time span: October 19 2025 to November 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -10.7 °C
  • Mean temperature: -29.1 °C
  • Minimum temperature anomaly: -18.3 °C
  • Minimum temperature: -38.5 °C

Event center: 67.0°N 165.5°E

Area affected: 766243 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: Cold_spell_2025-Oct-19_to_2025-Nov-11_165.5_67.0