Author: WEXA

Cold spell occuring from November 17 2025 to November 26 2025 at 12.0°N 102.5°E

Download data: JSON

Event type: Cold spell

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

  • Cambodia
  • Lao People’s Democratic Republic
  • Myanmar
  • Thailand
  • Viet Nam

Duration: 10 days

Time span: November 17 2025 to November 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 23.3 °C
  • Minimum temperature anomaly: -5.4 °C
  • Minimum temperature: 13.6 °C

Event center: 12.0°N 102.5°E

Area affected: 664618 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-17_to_2025-Nov-26_102.5_12.0

Cold spell occuring from November 17 2025 to November 20 2025 at 28.5°N 122.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: November 17 2025 to November 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.2 °C
  • Mean temperature: 7.2 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 3.1 °C

Event center: 28.5°N 122.0°E

Area affected: 218256 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-17_to_2025-Nov-20_122.0_28.5

Cold spell occuring from November 17 2025 to November 21 2025 at 60.0°N 358.0°E

Download data: JSON

Event type: Cold spell

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

  • United Kingdom

Duration: 5 days

Time span: November 17 2025 to November 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.5 °C
  • Mean temperature: 4.2 °C
  • Minimum temperature anomaly: -4.7 °C
  • Minimum temperature: 0.6 °C

Event center: 60.0°N 358.0°E

Area affected: 393310 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-17_to_2025-Nov-21_358.0_60.0

Heat wave occuring from November 16 2025 to November 21 2025 at -28.0°S 110.5°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 6 days

Time span: November 16 2025 to November 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 20.3 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 24.8 °C

Event center: -28.0°S 110.5°E

Area affected: 505953 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-16_to_2025-Nov-21_110.5_-28.0

Cold spell occuring from November 15 2025 to November 18 2025 at -23.5°S 27.0°E

Download data: JSON

Event type: Cold spell

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

  • Botswana
  • Mozambique
  • South Africa
  • Zimbabwe

Duration: 4 days

Time span: November 15 2025 to November 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: 18.6 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: 13.1 °C

Event center: -23.5°S 27.0°E

Area affected: 289929 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-15_to_2025-Nov-18_27.0_-23.5

Cold spell occuring from November 15 2025 to November 19 2025 at 42.5°N 100.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 5 days

Time span: November 15 2025 to November 19 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: -8.5 °C
  • Minimum temperature anomaly: -12.3 °C
  • Minimum temperature: -22.6 °C

Event center: 42.5°N 100.5°E

Area affected: 444382 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-15_to_2025-Nov-19_100.5_42.5

Cold spell occuring from November 15 2025 to November 25 2025 at 68.0°N 25.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 11 days

Time span: November 15 2025 to November 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -10.8 °C
  • Mean temperature: -16.4 °C
  • Minimum temperature anomaly: -20.8 °C
  • Minimum temperature: -28.0 °C

Event center: 68.0°N 25.5°E

Area affected: 424852 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-15_to_2025-Nov-25_25.5_68.0

Heat wave occuring from November 15 2025 to November 21 2025 at 19.5°N 93.0°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Myanmar

Duration: 7 days

Time span: November 15 2025 to November 21 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.5 °C
  • Mean temperature: 27.6 °C
  • Maximum temperature anomaly: 2.7 °C
  • Maximum temperature: 28.9 °C

Event center: 19.5°N 93.0°E

Area affected: 81241 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-15_to_2025-Nov-21_93.0_19.5

Heat wave occuring from November 15 2025 to November 20 2025 at 8.0°N 91.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 6 days

Time span: November 15 2025 to November 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 0.9 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 1.2 °C
  • Maximum temperature: 28.0 °C

Event center: 8.0°N 91.0°E

Area affected: 98084 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-15_to_2025-Nov-20_91.0_8.0

Heat wave occuring from November 15 2025 to November 23 2025 at 58.0°N 128.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 9 days

Time span: November 15 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 13.8 °C
  • Mean temperature: -10.6 °C
  • Maximum temperature anomaly: 21.5 °C
  • Maximum temperature: -2.2 °C

Event center: 58.0°N 128.0°E

Area affected: 1417989 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-15_to_2025-Nov-23_128.0_58.0