Heat wave occuring from October 03 2025 to October 10 2025 at 23.5°N 94.0°E

Download data: JSON

Event type: Heat wave

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

  • India
  • Myanmar

Duration: 8 days

Time span: October 03 2025 to October 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 3.0 °C
  • Maximum temperature: 29.5 °C

Event center: 23.5°N 94.0°E

Area affected: 59475 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-Oct-03_to_2025-Oct-10_94.0_23.5

Heat wave occuring from October 03 2025 to October 09 2025 at 30.5°N 353.0°E

Download data: JSON

Event type: Heat wave

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

  • Morocco

Duration: 7 days

Time span: October 03 2025 to October 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 20.8 °C
  • Maximum temperature anomaly: 4.6 °C
  • Maximum temperature: 25.6 °C

Event center: 30.5°N 353.0°E

Area affected: 50027 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-Oct-03_to_2025-Oct-09_353.0_30.5

Heat wave occuring from October 03 2025 to October 07 2025 at 1.5°N 146.5°E

Download data: JSON

Event type: Heat wave

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

  • Papua New Guinea

Duration: 5 days

Time span: October 03 2025 to October 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 1.8 °C
  • Maximum temperature: 29.2 °C

Event center: 1.5°N 146.5°E

Area affected: 490817 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-Oct-03_to_2025-Oct-07_146.5_1.5

Heat wave occuring from October 02 2025 to October 05 2025 at -66.0°S 121.0°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: October 02 2025 to October 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -10.1 °C
  • Maximum temperature anomaly: 13.6 °C
  • Maximum temperature: -3.3 °C

Event center: -66.0°S 121.0°E

Area affected: 129569 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-Oct-02_to_2025-Oct-05_121.0_-66.0

Cold spell occuring from October 02 2025 to October 11 2025 at 32.0°N 20.5°E

Download data: JSON

Event type: Cold spell

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

  • Libya

Duration: 10 days

Time span: October 02 2025 to October 11 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -3.0 °C
  • Mean temperature: 20.3 °C
  • Minimum temperature anomaly: -4.4 °C
  • Minimum temperature: 16.2 °C

Event center: 32.0°N 20.5°E

Area affected: 133106 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-Oct-02_to_2025-Oct-11_20.5_32.0

Cold spell occuring from October 02 2025 to October 08 2025 at 66.5°N 143.5°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: October 02 2025 to October 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: -16.1 °C
  • Minimum temperature anomaly: -10.0 °C
  • Minimum temperature: -21.0 °C

Event center: 66.5°N 143.5°E

Area affected: 51094 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-Oct-02_to_2025-Oct-08_143.5_66.5

Heat wave occuring from October 02 2025 to October 07 2025 at 37.5°N 356.0°E

Download data: JSON

Event type: Heat wave

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

  • Morocco
  • Spain

Duration: 6 days

Time span: October 02 2025 to October 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 22.2 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 25.1 °C

Event center: 37.5°N 356.0°E

Area affected: 91729 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-Oct-02_to_2025-Oct-07_356.0_37.5

Heat wave occuring from October 02 2025 to October 05 2025 at 35.5°N 258.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: October 02 2025 to October 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 25.6 °C

Event center: 35.5°N 258.0°E

Area affected: 52111 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-Oct-02_to_2025-Oct-05_258.0_35.5

Heat wave occuring from October 02 2025 to October 09 2025 at 60.0°N 207.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 8 days

Time span: October 02 2025 to October 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 4.5 °C
  • Mean temperature: 6.3 °C
  • Maximum temperature anomaly: 10.0 °C
  • Maximum temperature: 11.2 °C

Event center: 60.0°N 207.0°E

Area affected: 132841 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-Oct-02_to_2025-Oct-09_207.0_60.0

Cold spell occuring from October 01 2025 to October 07 2025 at -12.0°S 32.0°E

Download data: JSON

Event type: Cold spell

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

  • Congo, The Democratic Republic of the
  • Zambia

Duration: 7 days

Time span: October 01 2025 to October 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -2.7 °C
  • Mean temperature: 22.6 °C
  • Minimum temperature anomaly: -4.2 °C
  • Minimum temperature: 18.1 °C

Event center: -12.0°S 32.0°E

Area affected: 163683 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-Oct-01_to_2025-Oct-07_32.0_-12.0