Category: Weather Extremes – all events

Heat wave occuring from June 24 2026 to June 30 2026 at 21.0°N 84.0°E

Download data: JSON

Event type: Heat wave

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

  • India

Duration: 7 days

Time span: June 24 2026 to June 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 30.8 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 33.5 °C

Event center: 21.0°N 84.0°E

Area affected: 109536 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-Jun-24_to_2026-Jun-30_84.0_21.0

Heat wave occuring from June 24 2026 to June 29 2026 at 10.0°N 4.5°E

Download data: JSON

Event type: Heat wave

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

  • Benin
  • Nigeria

Duration: 6 days

Time span: June 24 2026 to June 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 28.9 °C
  • Maximum temperature anomaly: 3.9 °C
  • Maximum temperature: 31.8 °C

Event center: 10.0°N 4.5°E

Area affected: 82218 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-Jun-24_to_2026-Jun-29_4.5_10.0

Cold spell occuring from June 24 2026 to June 28 2026 at -70.5°S 351.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: June 24 2026 to June 28 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.6 °C
  • Mean temperature: -29.0 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -41.7 °C

Event center: -70.5°S 351.0°E

Area affected: 93115 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-Jun-24_to_2026-Jun-28_351.0_-70.5

Heat wave occuring from June 24 2026 to June 26 2026 at 8.0°N 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Central African Republic
  • Chad

Duration: 3 days

Time span: June 24 2026 to June 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 30.6 °C

Event center: 8.0°N 16.0°E

Area affected: 55024 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-24_to_2026-Jun-26_16.0_8.0

Cold spell occuring from June 23 2026 to June 27 2026 at -18.5°S 307.5°E

Download data: JSON

Event type: Cold spell

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

  • Argentina
  • Bolivia
  • Brazil
  • Paraguay
  • Peru

Duration: 5 days

Time span: June 23 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 13.0 °C
  • Minimum temperature anomaly: -11.0 °C
  • Minimum temperature: 0.5 °C

Event center: -18.5°S 307.5°E

Area affected: 1906249 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-Jun-23_to_2026-Jun-27_307.5_-18.5

Cold spell occuring from June 23 2026 to June 27 2026 at -77.0°S 69.5°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 5 days

Time span: June 23 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -49.2 °C
  • Minimum temperature anomaly: -8.0 °C
  • Minimum temperature: -55.7 °C

Event center: -77.0°S 69.5°E

Area affected: 51189 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-Jun-23_to_2026-Jun-27_69.5_-77.0

Heat wave occuring from June 23 2026 to June 29 2026 at -8.0°S 160.0°E

Download data: JSON

Event type: Heat wave

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

  • Solomon Islands

Duration: 7 days

Time span: June 23 2026 to June 29 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.1 °C
  • Mean temperature: 27.8 °C
  • Maximum temperature anomaly: 1.9 °C
  • Maximum temperature: 28.8 °C

Event center: -8.0°S 160.0°E

Area affected: 218063 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-Jun-23_to_2026-Jun-29_160.0_-8.0

Heat wave occuring from June 23 2026 to June 27 2026 at -43.5°S 181.0°E

Download data: JSON

Event type: Heat wave

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

  • New Zealand

Duration: 5 days

Time span: June 23 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 15.1 °C

Event center: -43.5°S 181.0°E

Area affected: 414490 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-Jun-23_to_2026-Jun-27_181.0_-43.5

Heat wave occuring from June 23 2026 to June 26 2026 at 61.5°N 109.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 4 days

Time span: June 23 2026 to June 26 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 22.6 °C
  • Maximum temperature anomaly: 7.9 °C
  • Maximum temperature: 24.4 °C

Event center: 61.5°N 109.0°E

Area affected: 122517 km$^2$



Fig. 3: Maps illustrating the evolution of standardized temperature anomalies during the event.

Event ID: Heat_wave_2026-Jun-23_to_2026-Jun-26_109.0_61.5

Heat wave occuring from June 22 2026 to June 27 2026 at -5.5°S 306.0°E

Download data: JSON

Event type: Heat wave

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

  • Brazil

Duration: 6 days

Time span: June 22 2026 to June 27 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 27.3 °C
  • Maximum temperature anomaly: 2.1 °C
  • Maximum temperature: 27.9 °C

Event center: -5.5°S 306.0°E

Area affected: 61427 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-Jun-22_to_2026-Jun-27_306.0_-5.5