Author: WEXA

Cold spell occuring from November 24 2025 to December 05 2025 at 72.0°N 343.0°E

Download data: JSON

Event type: Cold spell

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

  • Greenland

Duration: 12 days

Time span: November 24 2025 to December 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: -17.6 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -27.2 °C

Event center: 72.0°N 343.0°E

Area affected: 147203 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-05_343.0_72.0

Cold spell occuring from November 23 2025 to November 29 2025 at 33.0°N 99.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 7 days

Time span: November 23 2025 to November 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -22.9 °C
  • Minimum temperature anomaly: -13.6 °C
  • Minimum temperature: -28.6 °C

Event center: 33.0°N 99.0°E

Area affected: 54394 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-23_to_2025-Nov-29_99.0_33.0

Cold spell occuring from November 23 2025 to November 30 2025 at 32.5°N 101.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 8 days

Time span: November 23 2025 to November 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -8.5 °C
  • Mean temperature: -17.6 °C
  • Minimum temperature anomaly: -15.4 °C
  • Minimum temperature: -25.6 °C

Event center: 32.5°N 101.0°E

Area affected: 89330 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-23_to_2025-Nov-30_101.0_32.5

Cold spell occuring from November 23 2025 to November 27 2025 at -15.0°S 128.5°E

Download data: JSON

Event type: Cold spell

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

  • Australia

Duration: 5 days

Time span: November 23 2025 to November 27 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 27.6 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 25.7 °C

Event center: -15.0°S 128.5°E

Area affected: 104505 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-23_to_2025-Nov-27_128.5_-15.0

Cold spell occuring from November 23 2025 to December 02 2025 at -60.5°S 309.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 10 days

Time span: November 23 2025 to December 02 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.8 °C
  • Mean temperature: -3.7 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: -15.0 °C

Event center: -60.5°S 309.0°E

Area affected: 374790 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-23_to_2025-Dec-02_309.0_-60.5

Heat wave occuring from November 23 2025 to November 25 2025 at 26.0°N 348.0°E

Download data: JSON

Event type: Heat wave

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

  • Mauritania
  • Morocco

Duration: 3 days

Time span: November 23 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 22.2 °C
  • Maximum temperature anomaly: 5.9 °C
  • Maximum temperature: 24.8 °C

Event center: 26.0°N 348.0°E

Area affected: 153143 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-23_to_2025-Nov-25_348.0_26.0

Heat wave occuring from November 23 2025 to November 30 2025 at -80.5°S 32.5°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 8 days

Time span: November 23 2025 to November 30 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.7 °C
  • Mean temperature: -25.7 °C
  • Maximum temperature anomaly: 6.2 °C
  • Maximum temperature: -20.4 °C

Event center: -80.5°S 32.5°E

Area affected: 215532 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-23_to_2025-Nov-30_32.5_-80.5

Heat wave occuring from November 22 2025 to November 24 2025 at 49.0°N 262.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • United States

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: 3.2 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 7.1 °C

Event center: 49.0°N 262.0°E

Area affected: 208931 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-24_262.0_49.0

Heat wave occuring from November 22 2025 to November 24 2025 at 44.0°N 130.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 1.4 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 4.5 °C

Event center: 44.0°N 130.0°E

Area affected: 68486 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-24_130.0_44.0

Heat wave occuring from November 22 2025 to November 24 2025 at 36.0°N 126.0°E

Download data: JSON

Event type: Heat wave

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

  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 3 days

Time span: November 22 2025 to November 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 13.2 °C
  • Maximum temperature anomaly: 6.9 °C
  • Maximum temperature: 15.1 °C

Event center: 36.0°N 126.0°E

Area affected: 59690 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-24_126.0_36.0