Author: WEXA

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 6.7 °C
• Mean temperature: -2.1 °C
• Maximum temperature anomaly: 11.3 °C
• Maximum temperature: 1.4 °C

Event center: -64.0°S 89.5°E

Area affected: 248860 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-21_to_2026-Aug-23_89.5_-64.0

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.2 °C
• Mean temperature: 27.4 °C
• Maximum temperature anomaly: 2.1 °C
• Maximum temperature: 28.4 °C

Event center: 10.0°N 318.0°E

Area affected: 97587 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-21_to_2026-Aug-23_318.0_10.0

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 2.3 °C
• Mean temperature: 19.3 °C
• Maximum temperature anomaly: 3.4 °C
• Maximum temperature: 21.1 °C

Event center: -26.5°S 77.0°E

Area affected: 293973 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-21_to_2026-Aug-23_77.0_-26.5

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 1.0 °C
• Mean temperature: 24.3 °C
• Maximum temperature anomaly: 1.7 °C
• Maximum temperature: 24.9 °C

Event center: -19.5°S 235.5°E

Area affected: 163946 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-21_to_2026-Aug-23_235.5_-19.5

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 3.2 °C
• Mean temperature: 14.2 °C
• Maximum temperature anomaly: 4.4 °C
• Maximum temperature: 16.4 °C

Event center: -40.5°S 26.5°E

Area affected: 64812 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-21_to_2026-Aug-23_26.5_-40.5

Download data: JSON

Event type: Heat wave

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: 2.8 °C
• Mean temperature: 10.9 °C
• Maximum temperature anomaly: 4.1 °C
• Maximum temperature: 13.3 °C

Event center: -44.0°S 345.5°E

Area affected: 120415 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-21_to_2026-Aug-23_345.5_-44.0

Download data: JSON

Event type: Cold spell

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

Duration: 3 days

Time span: August 21 2026 to August 23 2026

Statistics over entire affected area:

• Mean temperature anomaly: -3.4 °C
• Mean temperature: -1.6 °C
• Minimum temperature anomaly: -4.9 °C
• Minimum temperature: -3.2 °C

Event center: -51.5°S 312.0°E

Area affected: 57879 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-21_to_2026-Aug-23_312.0_-51.5