Author: WEXA

Cold spell occuring from October 05 2025 to October 13 2025 at 18.0°N 38.5°E

Download data: JSON

Event type: Cold spell

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

  • Eritrea
  • Sudan

Duration: 9 days

Time span: October 05 2025 to October 13 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -0.9 °C
  • Mean temperature: 30.0 °C
  • Minimum temperature anomaly: -1.5 °C
  • Minimum temperature: 27.9 °C

Event center: 18.0°N 38.5°E

Area affected: 67902 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-05_to_2025-Oct-13_38.5_18.0

Cold spell occuring from October 05 2025 to October 15 2025 at 29.0°N 86.0°E

Download data: JSON

Event type: Cold spell

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

  • Bhutan
  • China
  • Nepal

Duration: 11 days

Time span: October 05 2025 to October 15 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -4.9 °C
  • Mean temperature: -4.3 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -14.0 °C

Event center: 29.0°N 86.0°E

Area affected: 137595 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-05_to_2025-Oct-15_86.0_29.0

Heat wave occuring from October 05 2025 to October 07 2025 at -7.0°S 283.0°E

Download data: JSON

Event type: Heat wave

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

  • Peru

Duration: 3 days

Time span: October 05 2025 to October 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 25.5 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 28.9 °C

Event center: -7.0°S 283.0°E

Area affected: 64276 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-05_to_2025-Oct-07_283.0_-7.0

Heat wave occuring from October 05 2025 to October 08 2025 at 58.5°N 298.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 4 days

Time span: October 05 2025 to October 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 3.9 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 9.2 °C

Event center: 58.5°N 298.5°E

Area affected: 76073 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-05_to_2025-Oct-08_298.5_58.5

Heat wave occuring from October 05 2025 to October 10 2025 at -20.5°S 201.5°E

Download data: JSON

Event type: Heat wave

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

  • Cook Islands

Duration: 6 days

Time span: October 05 2025 to October 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 24.8 °C
  • Maximum temperature anomaly: 2.4 °C
  • Maximum temperature: 26.7 °C

Event center: -20.5°S 201.5°E

Area affected: 436151 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-05_to_2025-Oct-10_201.5_-20.5

Cold spell occuring from October 04 2025 to October 12 2025 at -75.0°S 220.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 9 days

Time span: October 04 2025 to October 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -12.2 °C
  • Mean temperature: -37.5 °C
  • Minimum temperature anomaly: -22.5 °C
  • Minimum temperature: -46.5 °C

Event center: -75.0°S 220.0°E

Area affected: 674357 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-04_to_2025-Oct-12_220.0_-75.0

Cold spell occuring from October 04 2025 to October 08 2025 at 5.0°N 116.5°E

Download data: JSON

Event type: Cold spell

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

  • Indonesia
  • Malaysia

Duration: 5 days

Time span: October 04 2025 to October 08 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -1.4 °C
  • Mean temperature: 22.8 °C
  • Minimum temperature anomaly: -2.4 °C
  • Minimum temperature: 18.7 °C

Event center: 5.0°N 116.5°E

Area affected: 55458 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-04_to_2025-Oct-08_116.5_5.0

Heat wave occuring from October 03 2025 to October 07 2025 at -13.0°S 287.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia, Plurinational State of
  • Peru

Duration: 5 days

Time span: October 03 2025 to October 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.5 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 4.7 °C
  • Maximum temperature: 31.0 °C

Event center: -13.0°S 287.0°E

Area affected: 172282 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_287.0_-13.0

Heat wave occuring from October 03 2025 to October 05 2025 at -30.5°S 296.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina

Duration: 3 days

Time span: October 03 2025 to October 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 25.6 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 32.2 °C

Event center: -30.5°S 296.5°E

Area affected: 74775 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-05_296.5_-30.5

Heat wave occuring from October 03 2025 to October 10 2025 at -11.0°S 15.5°E

Download data: JSON

Event type: Heat wave

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

  • Angola

Duration: 8 days

Time span: October 03 2025 to October 10 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 23.8 °C
  • Maximum temperature anomaly: 3.2 °C
  • Maximum temperature: 27.4 °C

Event center: -11.0°S 15.5°E

Area affected: 130063 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_15.5_-11.0