Category: Weather Extremes – all events

Cold spell occuring from June 08 2026 to June 14 2026 at 64.0°N 151.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 7 days

Time span: June 08 2026 to June 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 4.3 °C
  • Minimum temperature anomaly: -9.8 °C
  • Minimum temperature: -1.6 °C

Event center: 64.0°N 151.0°E

Area affected: 193205 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-08_to_2026-Jun-14_151.0_64.0

Cold spell occuring from June 08 2026 to June 12 2026 at 30.0°N 102.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Laos
  • Vietnam

Duration: 5 days

Time span: June 08 2026 to June 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 16.4 °C
  • Minimum temperature anomaly: -6.8 °C
  • Minimum temperature: 1.0 °C

Event center: 30.0°N 102.0°E

Area affected: 304699 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-08_to_2026-Jun-12_102.0_30.0

Heat wave occuring from June 08 2026 to June 12 2026 at 68.0°N 266.5°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: June 08 2026 to June 12 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 4.6 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 12.3 °C

Event center: 68.0°N 266.5°E

Area affected: 194949 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-12_266.5_68.0

Heat wave occuring from June 08 2026 to June 13 2026 at 55.5°N 35.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 6 days

Time span: June 08 2026 to June 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 22.8 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 24.7 °C

Event center: 55.5°N 35.0°E

Area affected: 138563 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-13_35.0_55.5

Heat wave occuring from June 08 2026 to June 13 2026 at 33.5°N 269.5°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 6 days

Time span: June 08 2026 to June 13 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 28.6 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 30.4 °C

Event center: 33.5°N 269.5°E

Area affected: 277554 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-13_269.5_33.5

Heat wave occuring from June 08 2026 to June 11 2026 at 37.0°N 261.0°E

Download data: JSON

Event type: Heat wave

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

  • United States

Duration: 4 days

Time span: June 08 2026 to June 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 5.5 °C
  • Mean temperature: 29.2 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 31.0 °C

Event center: 37.0°N 261.0°E

Area affected: 86781 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-11_261.0_37.0

Heat wave occuring from June 08 2026 to June 11 2026 at -10.0°S 144.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 4 days

Time span: June 08 2026 to June 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 0.8 °C
  • Mean temperature: 26.5 °C
  • Maximum temperature anomaly: 1.3 °C
  • Maximum temperature: 26.9 °C

Event center: -10.0°S 144.0°E

Area affected: 178968 km$^2$



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

Event ID: Heat_wave_2026-Jun-08_to_2026-Jun-11_144.0_-10.0

Cold spell occuring from June 08 2026 to June 11 2026 at 27.0°N 119.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 4 days

Time span: June 08 2026 to June 11 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 20.4 °C
  • Minimum temperature anomaly: -6.9 °C
  • Minimum temperature: 15.8 °C

Event center: 27.0°N 119.0°E

Area affected: 99527 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-08_to_2026-Jun-11_119.0_27.0

Cold spell occuring from June 07 2026 to June 18 2026 at -76.0°S 44.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 12 days

Time span: June 07 2026 to June 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -56.7 °C
  • Minimum temperature anomaly: -18.5 °C
  • Minimum temperature: -74.3 °C

Event center: -76.0°S 44.0°E

Area affected: 1785256 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-07_to_2026-Jun-18_44.0_-76.0

Heat wave occuring from June 06 2026 to June 19 2026 at -17.5°S 50.5°E

Download data: JSON

Event type: Heat wave

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

  • Madagascar
  • Mauritius
  • Réunion

Duration: 14 days

Time span: June 06 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 21.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 27.1 °C

Event center: -17.5°S 50.5°E

Area affected: 4329227 km$^2$



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

Event ID: Heat_wave_2026-Jun-06_to_2026-Jun-19_50.5_-17.5