Author: WEXA

Heat wave occuring from August 18 2026 to August 22 2026 at 50.0°N 240.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada

Duration: 5 days

Time span: August 18 2026 to August 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 20.0 °C
  • Maximum temperature anomaly: 9.0 °C
  • Maximum temperature: 25.3 °C

Event center: 50.0°N 240.5°E

Area affected: 74333 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_2026-Aug-18_to_2026-Aug-22_240.5_50.0

Cold spell occuring from August 16 2026 to August 20 2026 at 62.5°N 6.5°E

Download data: JSON

Event type: Cold spell

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

  • Norway
  • Sweden

Duration: 5 days

Time span: August 16 2026 to August 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 10.1 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 5.4 °C

Event center: 62.5°N 6.5°E

Area affected: 118477 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_2026-Aug-16_to_2026-Aug-20_6.5_62.5

Cold spell occuring from August 16 2026 to August 21 2026 at -10.0°S 152.5°E

Download data: JSON

Event type: Cold spell

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

  • Papua New Guinea

Duration: 6 days

Time span: August 16 2026 to August 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.0 °C
  • Mean temperature: 24.9 °C
  • Minimum temperature anomaly: -1.6 °C
  • Minimum temperature: 23.0 °C

Event center: -10.0°S 152.5°E

Area affected: 94551 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_2026-Aug-16_to_2026-Aug-21_152.5_-10.0

Cold spell occuring from August 16 2026 to August 19 2026 at 38.5°N 40.0°E

Download data: JSON

Event type: Cold spell

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

  • Turkiye

Duration: 4 days

Time span: August 16 2026 to August 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 24.0 °C
  • Minimum temperature anomaly: -4.3 °C
  • Minimum temperature: 14.7 °C

Event center: 38.5°N 40.0°E

Area affected: 65594 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_2026-Aug-16_to_2026-Aug-19_40.0_38.5

Cold spell occuring from August 15 2026 to August 20 2026 at -9.5°S 36.5°E

Download data: JSON

Event type: Cold spell

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

  • Mozambique
  • Tanzania

Duration: 6 days

Time span: August 15 2026 to August 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 20.9 °C
  • Minimum temperature anomaly: -2.8 °C
  • Minimum temperature: 18.5 °C

Event center: -9.5°S 36.5°E

Area affected: 88158 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_2026-Aug-15_to_2026-Aug-20_36.5_-9.5

Cold spell occuring from August 14 2026 to August 18 2026 at 58.0°N 113.5°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: August 14 2026 to August 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 9.2 °C
  • Minimum temperature anomaly: -6.7 °C
  • Minimum temperature: 4.2 °C

Event center: 58.0°N 113.5°E

Area affected: 131921 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_2026-Aug-14_to_2026-Aug-18_113.5_58.0

Cold spell occuring from August 14 2026 to August 20 2026 at -15.0°S 158.0°E

Download data: JSON

Event type: Cold spell

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

  • Papua New Guinea

Duration: 7 days

Time span: August 14 2026 to August 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -1.2 °C
  • Mean temperature: 23.8 °C
  • Minimum temperature anomaly: -1.8 °C
  • Minimum temperature: 22.9 °C

Event center: -15.0°S 158.0°E

Area affected: 129094 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_2026-Aug-14_to_2026-Aug-20_158.0_-15.0

Cold spell occuring from August 14 2026 to August 18 2026 at 39.0°N 33.5°E

Download data: JSON

Event type: Cold spell

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

  • Turkiye

Duration: 5 days

Time span: August 14 2026 to August 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 19.8 °C
  • Minimum temperature anomaly: -5.3 °C
  • Minimum temperature: 14.6 °C

Event center: 39.0°N 33.5°E

Area affected: 69212 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_2026-Aug-14_to_2026-Aug-18_33.5_39.0

Heat wave occuring from August 13 2026 to August 18 2026 at -12.5°S 298.0°E

Download data: JSON

Event type: Heat wave

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

  • Bolivia
  • Brazil

Duration: 6 days

Time span: August 13 2026 to August 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.8 °C
  • Mean temperature: 28.4 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 29.7 °C

Event center: -12.5°S 298.0°E

Area affected: 244106 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_2026-Aug-13_to_2026-Aug-18_298.0_-12.5

Heat wave occuring from August 13 2026 to August 17 2026 at -15.0°S 314.5°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 5 days

Time span: August 13 2026 to August 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 23.9 °C
  • Maximum temperature anomaly: 4.0 °C
  • Maximum temperature: 28.1 °C

Event center: -15.0°S 314.5°E

Area affected: 190898 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_2026-Aug-13_to_2026-Aug-17_314.5_-15.0