Author: WEXA

(ongoing) Cold spell occuring from August 17 2026 to August 23 2026 at -70.5°S 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 7 days

Time span: August 17 2026 to August 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -39.8 °C
  • Minimum temperature anomaly: -16.4 °C
  • Minimum temperature: -56.7 °C

Event center: -70.5°S 350.5°E

Area affected: 1261106 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-17_to_2026-Aug-23_350.5_-70.5

(ongoing) Heat wave occuring from August 15 2026 to August 23 2026 at -19.5°S 10.0°E

Download data: JSON

Event type: Heat wave

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

    Duration: 9 days

    Time span: August 15 2026 to August 23 2026

    Statistics over entire affected area:

    • Mean temperature anomaly: 1.3 °C
    • Mean temperature: 17.6 °C
    • Maximum temperature anomaly: 2.1 °C
    • Maximum temperature: 19.3 °C

    Event center: -19.5°S 10.0°E

    Area affected: 281519 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-15_to_2026-Aug-23_10.0_-19.5

    (ongoing) Heat wave occuring from August 15 2026 to August 23 2026 at -23.5°S 16.5°E

    Download data: JSON

    Event type: Heat wave

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

    • Botswana
    • Namibia

    Duration: 9 days

    Time span: August 15 2026 to August 23 2026

    Statistics over entire affected area:

    • Mean temperature anomaly: 5.5 °C
    • Mean temperature: 21.0 °C
    • Maximum temperature anomaly: 9.1 °C
    • Maximum temperature: 25.5 °C

    Event center: -23.5°S 16.5°E

    Area affected: 238145 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-15_to_2026-Aug-23_16.5_-23.5

    (ongoing) Heat wave occuring from August 15 2026 to August 23 2026 at -3.5°S 356.5°E

    Download data: JSON

    Event type: Heat wave

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

      Duration: 9 days

      Time span: August 15 2026 to August 23 2026

      Statistics over entire affected area:

      • Mean temperature anomaly: 0.8 °C
      • Mean temperature: 23.4 °C
      • Maximum temperature anomaly: 1.1 °C
      • Maximum temperature: 23.8 °C

      Event center: -3.5°S 356.5°E

      Area affected: 92557 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-15_to_2026-Aug-23_356.5_-3.5

      (ongoing) Cold spell occuring from August 15 2026 to August 23 2026 at -6.5°S 145.5°E

      Download data: JSON

      Event type: Cold spell

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

      • Indonesia
      • Papua New Guinea

      Duration: 9 days

      Time span: August 15 2026 to August 23 2026

      Statistics over entire affected area:

      • Mean temperature anomaly: -1.5 °C
      • Mean temperature: 20.2 °C
      • Minimum temperature anomaly: -4.1 °C
      • Minimum temperature: 9.7 °C

      Event center: -6.5°S 145.5°E

      Area affected: 253559 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-23_145.5_-6.5

      (ongoing) Heat wave occuring from August 14 2026 to August 23 2026 at -2.0°S 167.0°E

      Download data: JSON

      Event type: Heat wave

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

        Duration: 10 days

        Time span: August 14 2026 to August 23 2026

        Statistics over entire affected area:

        • Mean temperature anomaly: 1.2 °C
        • Mean temperature: 28.4 °C
        • Maximum temperature anomaly: 1.7 °C
        • Maximum temperature: 28.9 °C

        Event center: -2.0°S 167.0°E

        Area affected: 1146793 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-14_to_2026-Aug-23_167.0_-2.0

        (ongoing) Heat wave occuring from August 13 2026 to August 23 2026 at -80.0°S 37.0°E

        Download data: JSON

        Event type: Heat wave

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

        • Antarctica

        Duration: 11 days

        Time span: August 13 2026 to August 23 2026

        Statistics over entire affected area:

        • Mean temperature anomaly: 10.5 °C
        • Mean temperature: -39.6 °C
        • Maximum temperature anomaly: 20.5 °C
        • Maximum temperature: 0.5 °C

        Event center: -80.0°S 37.0°E

        Area affected: 3820714 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-23_37.0_-80.0

        (ongoing) Heat wave occuring from August 13 2026 to August 23 2026 at -30.5°S 22.0°E

        Download data: JSON

        Event type: Heat wave

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

        • Eswatini
        • Lesotho
        • South Africa

        Duration: 11 days

        Time span: August 13 2026 to August 23 2026

        Statistics over entire affected area:

        • Mean temperature anomaly: 5.3 °C
        • Mean temperature: 17.4 °C
        • Maximum temperature anomaly: 7.9 °C
        • Maximum temperature: 22.4 °C

        Event center: -30.5°S 22.0°E

        Area affected: 454583 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-23_22.0_-30.5

        (ongoing) Heat wave occuring from August 12 2026 to August 23 2026 at -12.0°S 14.5°E

        Download data: JSON

        Event type: Heat wave

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

        • Angola

        Duration: 12 days

        Time span: August 12 2026 to August 23 2026

        Statistics over entire affected area:

        • Mean temperature anomaly: 2.2 °C
        • Mean temperature: 22.7 °C
        • Maximum temperature anomaly: 4.6 °C
        • Maximum temperature: 26.3 °C

        Event center: -12.0°S 14.5°E

        Area affected: 102319 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-12_to_2026-Aug-23_14.5_-12.0

        (ongoing) Cold spell occuring from August 12 2026 to August 23 2026 at 65.0°N 127.0°E

        Download data: JSON

        Event type: Cold spell

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

        • Russian Federation

        Duration: 12 days

        Time span: August 12 2026 to August 23 2026

        Statistics over entire affected area:

        • Mean temperature anomaly: -5.6 °C
        • Mean temperature: 6.8 °C
        • Minimum temperature anomaly: -8.8 °C
        • Minimum temperature: -1.1 °C

        Event center: 65.0°N 127.0°E

        Area affected: 797961 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-12_to_2026-Aug-23_127.0_65.0