Author: WEXA

Cold spell occuring from November 11 2025 to November 14 2025 at 27.0°N 278.5°E

Download data: JSON

Event type: Cold spell

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

  • Bahamas
  • United States

Duration: 4 days

Time span: November 11 2025 to November 14 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.5 °C
  • Mean temperature: 19.0 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: 7.8 °C

Event center: 27.0°N 278.5°E

Area affected: 386078 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-11_to_2025-Nov-14_278.5_27.0

Cold spell occuring from November 11 2025 to November 13 2025 at 40.0°N 332.0°E

Download data: JSON

Event type: Cold spell

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

  • Portugal

Duration: 3 days

Time span: November 11 2025 to November 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: 15.0 °C
  • Minimum temperature anomaly: -3.3 °C
  • Minimum temperature: 13.8 °C

Event center: 40.0°N 332.0°E

Area affected: 125602 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-11_to_2025-Nov-13_332.0_40.0

Cold spell occuring from November 10 2025 to November 28 2025 at -16.0°S 206.0°E

Download data: JSON

Event type: Cold spell

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

  • Cook Islands
  • French Polynesia

Duration: 19 days

Time span: November 10 2025 to November 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 18.9 °C
  • Minimum temperature anomaly: -3.9 °C
  • Minimum temperature: 4.3 °C

Event center: -16.0°S 206.0°E

Area affected: 10051640 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-10_to_2025-Nov-28_206.0_-16.0

Heat wave occuring from November 10 2025 to November 12 2025 at 57.0°N 247.0°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 10 2025 to November 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.7 °C
  • Mean temperature: 1.5 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 4.1 °C

Event center: 57.0°N 247.0°E

Area affected: 67559 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-10_to_2025-Nov-12_247.0_57.0

Cold spell occuring from November 10 2025 to November 16 2025 at -12.5°S 321.5°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 7 days

Time span: November 10 2025 to November 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.9 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -5.5 °C
  • Minimum temperature: 17.2 °C

Event center: -12.5°S 321.5°E

Area affected: 504872 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-10_to_2025-Nov-16_321.5_-12.5

Cold spell occuring from November 09 2025 to November 15 2025 at 74.5°N 122.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: November 09 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -11.6 °C
  • Mean temperature: -34.7 °C
  • Minimum temperature anomaly: -19.2 °C
  • Minimum temperature: -44.9 °C

Event center: 74.5°N 122.0°E

Area affected: 459376 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-09_to_2025-Nov-15_122.0_74.5

Cold spell occuring from November 09 2025 to November 15 2025 at 64.0°N 101.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: November 09 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -12.6 °C
  • Mean temperature: -34.6 °C
  • Minimum temperature anomaly: -20.0 °C
  • Minimum temperature: -42.1 °C

Event center: 64.0°N 101.0°E

Area affected: 725265 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-09_to_2025-Nov-15_101.0_64.0

Cold spell occuring from November 09 2025 to November 23 2025 at -11.5°S 131.0°E

Download data: JSON

Event type: Cold spell

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

  • Australia
  • Indonesia

Duration: 15 days

Time span: November 09 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 26.9 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 21.9 °C

Event center: -11.5°S 131.0°E

Area affected: 1604164 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-09_to_2025-Nov-23_131.0_-11.5

Cold spell occuring from November 09 2025 to November 15 2025 at -23.5°S 316.0°E

Download data: JSON

Event type: Cold spell

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

  • Brazil

Duration: 7 days

Time span: November 09 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.1 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 16.2 °C

Event center: -23.5°S 316.0°E

Area affected: 61864 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-09_to_2025-Nov-15_316.0_-23.5

Cold spell occuring from November 09 2025 to November 13 2025 at 71.5°N 133.0°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 09 2025 to November 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -10.3 °C
  • Mean temperature: -33.6 °C
  • Minimum temperature anomaly: -14.7 °C
  • Minimum temperature: -41.2 °C

Event center: 71.5°N 133.0°E

Area affected: 95764 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-09_to_2025-Nov-13_133.0_71.5