Author: WEXA

Heat wave occuring from October 27 2025 to November 05 2025 at 32.0°N 83.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 10 days

Time span: October 27 2025 to November 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: -2.9 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 1.5 °C

Event center: 32.0°N 83.0°E

Area affected: 96008 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-27_to_2025-Nov-05_83.0_32.0

Cold spell occuring from October 26 2025 to November 01 2025 at -18.0°S 297.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia, Plurinational State of
  • Brazil
  • Chile
  • Paraguay
  • Peru
  • Uruguay

Duration: 7 days

Time span: October 26 2025 to November 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 14.2 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -1.0 °C

Event center: -18.0°S 297.0°E

Area affected: 2424586 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-26_to_2025-Nov-01_297.0_-18.0

Cold spell occuring from October 26 2025 to October 29 2025 at -41.5°S 140.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 4 days

Time span: October 26 2025 to October 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.2 °C
  • Mean temperature: 9.0 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 5.8 °C

Event center: -41.5°S 140.0°E

Area affected: 413513 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-26_to_2025-Oct-29_140.0_-41.5

Heat wave occuring from October 26 2025 to November 04 2025 at 43.0°N 87.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 10 days

Time span: October 26 2025 to November 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 6.4 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 14.2 °C

Event center: 43.0°N 87.0°E

Area affected: 227754 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-26_to_2025-Nov-04_87.0_43.0

Heat wave occuring from October 26 2025 to November 22 2025 at 32.0°N 92.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 28 days

Time span: October 26 2025 to November 22 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: -3.6 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: 7.5 °C

Event center: 32.0°N 92.5°E

Area affected: 529524 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-26_to_2025-Nov-22_92.5_32.0

Heat wave occuring from October 26 2025 to October 29 2025 at 0.0°N 32.0°E

Download data: JSON

Event type: Heat wave

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

  • Tanzania, United Republic of
  • Uganda

Duration: 4 days

Time span: October 26 2025 to October 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 25.5 °C

Event center: 0.0°N 32.0°E

Area affected: 58722 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-26_to_2025-Oct-29_32.0_0.0

Heat wave occuring from October 26 2025 to October 30 2025 at -37.0°S 286.0°E

Download data: JSON

Event type: Heat wave

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

  • Chile

Duration: 5 days

Time span: October 26 2025 to October 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 11.8 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 14.7 °C

Event center: -37.0°S 286.0°E

Area affected: 264016 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-26_to_2025-Oct-30_286.0_-37.0

Heat wave occuring from October 25 2025 to October 29 2025 at -76.0°S 273.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 5 days

Time span: October 25 2025 to October 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.2 °C
  • Mean temperature: -14.7 °C
  • Maximum temperature anomaly: 13.7 °C
  • Maximum temperature: -3.2 °C

Event center: -76.0°S 273.5°E

Area affected: 176769 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-29_273.5_-76.0

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

Cold spell occuring from October 25 2025 to December 10 2025 at 22.0°N 72.0°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • India
  • Nepal
  • Oman
  • Pakistan
  • Saudi Arabia
  • Somalia
  • Yemen

Duration: 47 days

Time span: October 25 2025 to December 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 22.7 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: 10.5 °C

Event center: 22.0°N 72.0°E

Area affected: 5445757 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-25_to_2025-Dec-10_72.0_22.0