Heat wave occuring from November 15 2025 to November 17 2025 at 4.5°N 119.5°E

Download data: JSON

Event type: Heat wave

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

  • Malaysia
  • Philippines

Duration: 3 days

Time span: November 15 2025 to November 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.0 °C
  • Mean temperature: 28.0 °C
  • Maximum temperature anomaly: 1.6 °C
  • Maximum temperature: 28.6 °C

Event center: 4.5°N 119.5°E

Area affected: 95360 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-17_119.5_4.5

Heat wave occuring from November 15 2025 to November 23 2025 at 27.5°N 52.5°E

Download data: JSON

Event type: Heat wave

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

  • Iran, Islamic Republic of
  • Iraq
  • Kuwait
  • Saudi Arabia

Duration: 9 days

Time span: November 15 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 5.4 °C
  • Maximum temperature: 28.7 °C

Event center: 27.5°N 52.5°E

Area affected: 132100 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_52.5_27.5

Heat wave occuring from November 14 2025 to November 18 2025 at 70.5°N 63.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 5 days

Time span: November 14 2025 to November 18 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 0.1 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 1.9 °C

Event center: 70.5°N 63.0°E

Area affected: 154562 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-14_to_2025-Nov-18_63.0_70.5

Cold spell occuring from November 14 2025 to November 16 2025 at -24.0°S 17.0°E

Download data: JSON

Event type: Cold spell

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

  • Namibia

Duration: 3 days

Time span: November 14 2025 to November 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.3 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 16.8 °C

Event center: -24.0°S 17.0°E

Area affected: 51275 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-14_to_2025-Nov-16_17.0_-24.0

Heat wave occuring from November 14 2025 to November 16 2025 at 56.0°N 60.5°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: November 14 2025 to November 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.9 °C
  • Mean temperature: 2.9 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 6.4 °C

Event center: 56.0°N 60.5°E

Area affected: 55362 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-14_to_2025-Nov-16_60.5_56.0

Cold spell occuring from November 13 2025 to November 20 2025 at -21.0°S 306.0°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Brazil
  • Paraguay

Duration: 8 days

Time span: November 13 2025 to November 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.8 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -5.8 °C
  • Minimum temperature: 15.4 °C

Event center: -21.0°S 306.0°E

Area affected: 452063 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-13_to_2025-Nov-20_306.0_-21.0

Cold spell occuring from November 12 2025 to November 23 2025 at -61.0°S 308.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica
  • Chile

Duration: 12 days

Time span: November 12 2025 to November 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.4 °C
  • Mean temperature: 0.1 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: -19.6 °C

Event center: -61.0°S 308.0°E

Area affected: 3939474 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-12_to_2025-Nov-23_308.0_-61.0

Heat wave occuring from November 11 2025 to November 13 2025 at 57.0°N 18.0°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Sweden

Duration: 3 days

Time span: November 11 2025 to November 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 9.6 °C
  • Maximum temperature anomaly: 4.5 °C
  • Maximum temperature: 11.2 °C

Event center: 57.0°N 18.0°E

Area affected: 80534 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-11_to_2025-Nov-13_18.0_57.0

Cold spell occuring from November 11 2025 to November 15 2025 at 17.0°N 270.0°E

Download data: JSON

Event type: Cold spell

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

  • Belize
  • Guatemala
  • Mexico

Duration: 5 days

Time span: November 11 2025 to November 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 21.1 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 14.1 °C

Event center: 17.0°N 270.0°E

Area affected: 156288 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-15_270.0_17.0

Cold spell occuring from November 11 2025 to November 26 2025 at 0.0°N 268.0°E

Download data: JSON

Event type: Cold spell

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

  • Ecuador

Duration: 16 days

Time span: November 11 2025 to November 26 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.8 °C
  • Mean temperature: 20.0 °C
  • Minimum temperature anomaly: -3.2 °C
  • Minimum temperature: 17.7 °C

Event center: 0.0°N 268.0°E

Area affected: 173073 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-26_268.0_0.0