Author: WEXA

Cold spell occuring from November 06 2025 to December 18 2025 at 30.5°N 87.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Nepal

Duration: 43 days

Time span: November 06 2025 to December 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -15.9 °C
  • Minimum temperature anomaly: -16.2 °C
  • Minimum temperature: -23.8 °C

Event center: 30.5°N 87.0°E

Area affected: 231712 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-Dec-18_87.0_30.5

Heat wave occuring from November 06 2025 to November 09 2025 at 78.0°N 38.0°E

Download data: JSON

Event type: Heat wave

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

  • Svalbard and Jan Mayen

Duration: 4 days

Time span: November 06 2025 to November 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 0.4 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 1.9 °C

Event center: 78.0°N 38.0°E

Area affected: 98814 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-06_to_2025-Nov-09_38.0_78.0

Cold spell occuring from November 06 2025 to November 12 2025 at -75.5°S 296.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: November 06 2025 to November 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -20.8 °C
  • Minimum temperature anomaly: -8.8 °C
  • Minimum temperature: -26.4 °C

Event center: -75.5°S 296.0°E

Area affected: 93432 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-12_296.0_-75.5

Heat wave occuring from November 06 2025 to November 23 2025 at -5.0°S 280.5°E

Download data: JSON

Event type: Heat wave

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

  • Ecuador
  • Peru

Duration: 18 days

Time span: November 06 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 28.9 °C

Event center: -5.0°S 280.5°E

Area affected: 144917 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-06_to_2025-Nov-23_280.5_-5.0

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

Heat wave occuring from November 05 2025 to November 10 2025 at -5.0°S 305.0°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 05 2025 to November 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.9 °C
  • Mean temperature: 28.2 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 30.0 °C

Event center: -5.0°S 305.0°E

Area affected: 190668 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-05_to_2025-Nov-10_305.0_-5.0

Heat wave occuring from November 05 2025 to November 08 2025 at -74.5°S 222.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: November 05 2025 to November 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: -7.3 °C
  • Maximum temperature anomaly: 8.4 °C
  • Maximum temperature: -2.3 °C

Event center: -74.5°S 222.5°E

Area affected: 83311 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-05_to_2025-Nov-08_222.5_-74.5

Cold spell occuring from November 05 2025 to November 12 2025 at 42.0°N 80.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan

Duration: 8 days

Time span: November 05 2025 to November 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.7 °C
  • Mean temperature: -1.1 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: -23.0 °C

Event center: 42.0°N 80.5°E

Area affected: 346373 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-05_to_2025-Nov-12_80.5_42.0

Cold spell occuring from November 05 2025 to November 13 2025 at -24.5°S 14.5°E

Download data: JSON

Event type: Cold spell

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

  • Namibia

Duration: 9 days

Time span: November 05 2025 to November 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.3 °C
  • Mean temperature: 14.8 °C
  • Minimum temperature anomaly: -2.7 °C
  • Minimum temperature: 12.5 °C

Event center: -24.5°S 14.5°E

Area affected: 91050 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-05_to_2025-Nov-13_14.5_-24.5

Heat wave occuring from November 05 2025 to November 07 2025 at 87.0°N 279.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 3 days

Time span: November 05 2025 to November 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.9 °C
  • Mean temperature: -13.0 °C
  • Maximum temperature anomaly: 12.9 °C
  • Maximum temperature: -8.0 °C

Event center: 87.0°N 279.5°E

Area affected: 60052 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-05_to_2025-Nov-07_279.5_87.0