Author: WEXA

Heat wave occuring from November 25 2025 to November 29 2025 at 38.5°N 86.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 5 days

Time span: November 25 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 2.3 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 6.5 °C

Event center: 38.5°N 86.5°E

Area affected: 63026 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-25_to_2025-Nov-29_86.5_38.5

Heat wave occuring from November 25 2025 to November 29 2025 at 35.0°N 239.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 5 days

Time span: November 25 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 17.3 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 18.7 °C

Event center: 35.0°N 239.0°E

Area affected: 132868 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-25_to_2025-Nov-29_239.0_35.0

Heat wave occuring from November 25 2025 to November 27 2025 at 24.0°N 282.5°E

Download data: JSON

Event type: Heat wave

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

  • Bahamas

Duration: 3 days

Time span: November 25 2025 to November 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.6 °C
  • Mean temperature: 25.4 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 26.2 °C

Event center: 24.0°N 282.5°E

Area affected: 94591 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-25_to_2025-Nov-27_282.5_24.0

Heat wave occuring from November 25 2025 to November 29 2025 at 41.5°N 98.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 5 days

Time span: November 25 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.2 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 12.6 °C
  • Maximum temperature: 8.9 °C

Event center: 41.5°N 98.5°E

Area affected: 120867 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-25_to_2025-Nov-29_98.5_41.5

Heat wave occuring from November 24 2025 to December 17 2025 at -21.0°S 45.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar

Duration: 24 days

Time span: November 24 2025 to December 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 4.1 °C
  • Maximum temperature: 31.2 °C

Event center: -21.0°S 45.5°E

Area affected: 103830 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-24_to_2025-Dec-17_45.5_-21.0

Heat wave occuring from November 24 2025 to December 05 2025 at -64.0°S 269.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 12 days

Time span: November 24 2025 to December 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 4.7 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 9.6 °C

Event center: -64.0°S 269.0°E

Area affected: 2360791 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-24_to_2025-Dec-05_269.0_-64.0

Cold spell occuring from November 24 2025 to December 07 2025 at 31.0°N 73.5°E

Download data: JSON

Event type: Cold spell

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

  • India
  • Pakistan

Duration: 14 days

Time span: November 24 2025 to December 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: 14.9 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 11.4 °C

Event center: 31.0°N 73.5°E

Area affected: 318137 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-24_to_2025-Dec-07_73.5_31.0

Cold spell occuring from November 24 2025 to January 18 2026 at 18.5°N 87.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India

Duration: 56 days

Time span: November 24 2025 to January 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 19.7 °C
  • Minimum temperature anomaly: -4.6 °C
  • Minimum temperature: 10.7 °C

Event center: 18.5°N 87.5°E

Area affected: 1730491 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-24_to_2026-Jan-18_87.5_18.5

Cold spell occuring from November 24 2025 to November 29 2025 at 7.5°N 80.5°E

Download data: JSON

Event type: Cold spell

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

  • Sri Lanka

Duration: 6 days

Time span: November 24 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 23.5 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 19.3 °C

Event center: 7.5°N 80.5°E

Area affected: 52089 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-24_to_2025-Nov-29_80.5_7.5

Cold spell occuring from November 24 2025 to November 27 2025 at -22.0°S 313.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 4 days

Time span: November 24 2025 to November 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 19.3 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 16.9 °C

Event center: -22.0°S 313.5°E

Area affected: 51420 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-24_to_2025-Nov-27_313.5_-22.0