Author: WEXA

Heat wave occuring from November 22 2025 to November 27 2025 at -6.5°S 315.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 6 days

Time span: November 22 2025 to November 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.2 °C
  • Mean temperature: 29.5 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 31.7 °C

Event center: -6.5°S 315.0°E

Area affected: 67607 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-22_to_2025-Nov-27_315.0_-6.5

Heat wave occuring from November 22 2025 to November 29 2025 at 7.0°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Liberia
  • Sierra Leone

Duration: 8 days

Time span: November 22 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.5 °C
  • Maximum temperature: 28.2 °C

Event center: 7.0°N 350.0°E

Area affected: 61300 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-22_to_2025-Nov-29_350.0_7.0

Heat wave occuring from November 22 2025 to November 29 2025 at -8.5°S 181.5°E

Download data: JSON

Event type: Heat wave

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

  • Samoa

Duration: 8 days

Time span: November 22 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.5 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 29.2 °C

Event center: -8.5°S 181.5°E

Area affected: 858936 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-22_to_2025-Nov-29_181.5_-8.5

Cold spell occuring from November 22 2025 to December 02 2025 at 71.0°N 97.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 11 days

Time span: November 22 2025 to December 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -12.7 °C
  • Mean temperature: -40.5 °C
  • Minimum temperature anomaly: -20.2 °C
  • Minimum temperature: -49.6 °C

Event center: 71.0°N 97.5°E

Area affected: 1018909 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-22_to_2025-Dec-02_97.5_71.0

Cold spell occuring from November 22 2025 to November 25 2025 at 34.0°N 8.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Libya
  • Tunisia

Duration: 4 days

Time span: November 22 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: 10.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 3.8 °C

Event center: 34.0°N 8.0°E

Area affected: 435732 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-22_to_2025-Nov-25_8.0_34.0

Heat wave occuring from November 21 2025 to November 25 2025 at 17.0°N 75.5°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 5 days

Time span: November 21 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 26.4 °C
  • Maximum temperature anomaly: 3.4 °C
  • Maximum temperature: 28.3 °C

Event center: 17.0°N 75.5°E

Area affected: 61880 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-21_to_2025-Nov-25_75.5_17.0

Heat wave occuring from November 21 2025 to November 23 2025 at 48.0°N 122.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 3 days

Time span: November 21 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.2 °C
  • Mean temperature: -0.5 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: 5.3 °C

Event center: 48.0°N 122.5°E

Area affected: 299352 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-21_to_2025-Nov-23_122.5_48.0

Heat wave occuring from November 20 2025 to November 23 2025 at 66.0°N 215.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: November 20 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 12.4 °C
  • Mean temperature: -7.8 °C
  • Maximum temperature anomaly: 17.8 °C
  • Maximum temperature: -3.9 °C

Event center: 66.0°N 215.0°E

Area affected: 57091 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-20_to_2025-Nov-23_215.0_66.0

Heat wave occuring from November 20 2025 to November 22 2025 at -31.0°S 19.5°E

Download data: JSON

Event type: Heat wave

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

  • South Africa

Duration: 3 days

Time span: November 20 2025 to November 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: 27.4 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 31.3 °C

Event center: -31.0°S 19.5°E

Area affected: 69512 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-20_to_2025-Nov-22_19.5_-31.0

Heat wave occuring from November 20 2025 to November 22 2025 at -3.5°S 25.5°E

Download data: JSON

Event type: Heat wave

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

  • Congo, The Democratic Republic of the

Duration: 3 days

Time span: November 20 2025 to November 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 25.2 °C
  • Maximum temperature anomaly: 2.5 °C
  • Maximum temperature: 26.6 °C

Event center: -3.5°S 25.5°E

Area affected: 64807 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-20_to_2025-Nov-22_25.5_-3.5