Author: WEXA

Cold spell occuring from June 17 2026 to June 24 2026 at 54.0°N 265.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 8 days

Time span: June 17 2026 to June 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.0 °C
  • Mean temperature: 6.9 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -0.3 °C

Event center: 54.0°N 265.5°E

Area affected: 82270 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-17_to_2026-Jun-24_265.5_54.0

Cold spell occuring from June 17 2026 to June 24 2026 at 49.5°N 109.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 8 days

Time span: June 17 2026 to June 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: 8.7 °C
  • Minimum temperature anomaly: -15.4 °C
  • Minimum temperature: -3.9 °C

Event center: 49.5°N 109.5°E

Area affected: 1721973 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-17_to_2026-Jun-24_109.5_49.5

Heat wave occuring from June 17 2026 to June 22 2026 at 19.5°N 7.5°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Niger

Duration: 6 days

Time span: June 17 2026 to June 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.4 °C
  • Mean temperature: 37.7 °C
  • Maximum temperature anomaly: 3.6 °C
  • Maximum temperature: 40.0 °C

Event center: 19.5°N 7.5°E

Area affected: 236883 km$^2$



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

Event ID: Heat_wave_2026-Jun-17_to_2026-Jun-22_7.5_19.5

Heat wave occuring from June 17 2026 to June 23 2026 at -32.0°S 19.5°E

Download data: JSON

Event type: Heat wave

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

  • South Africa

Duration: 7 days

Time span: June 17 2026 to June 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 17.4 °C
  • Maximum temperature anomaly: 7.7 °C
  • Maximum temperature: 22.2 °C

Event center: -32.0°S 19.5°E

Area affected: 268395 km$^2$



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

Event ID: Heat_wave_2026-Jun-17_to_2026-Jun-23_19.5_-32.0

Heat wave occuring from June 17 2026 to June 20 2026 at -73.0°S 346.0°E

Download data: JSON

Event type: Heat wave

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

  • Antarctica

Duration: 4 days

Time span: June 17 2026 to June 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 10.6 °C
  • Mean temperature: -16.5 °C
  • Maximum temperature anomaly: 15.2 °C
  • Maximum temperature: -11.4 °C

Event center: -73.0°S 346.0°E

Area affected: 92750 km$^2$



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

Event ID: Heat_wave_2026-Jun-17_to_2026-Jun-20_346.0_-73.0

Cold spell occuring from June 16 2026 to June 23 2026 at 40.0°N 264.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 8 days

Time span: June 16 2026 to June 23 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -4.6 °C
  • Mean temperature: 16.2 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: 11.8 °C

Event center: 40.0°N 264.0°E

Area affected: 298604 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-16_to_2026-Jun-23_264.0_40.0

Heat wave occuring from June 16 2026 to June 22 2026 at -23.0°S 150.0°E

Download data: JSON

Event type: Heat wave

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

  • Australia

Duration: 7 days

Time span: June 16 2026 to June 22 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 19.8 °C
  • Maximum temperature anomaly: 5.2 °C
  • Maximum temperature: 22.1 °C

Event center: -23.0°S 150.0°E

Area affected: 82539 km$^2$



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

Event ID: Heat_wave_2026-Jun-16_to_2026-Jun-22_150.0_-23.0

Cold spell occuring from June 16 2026 to June 18 2026 at 67.0°N 119.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 3 days

Time span: June 16 2026 to June 18 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: 5.8 °C
  • Minimum temperature anomaly: -10.8 °C
  • Minimum temperature: 1.7 °C

Event center: 67.0°N 119.5°E

Area affected: 83696 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-16_to_2026-Jun-18_119.5_67.0

Cold spell occuring from June 16 2026 to June 19 2026 at -69.0°S 37.0°E

Download data: JSON

Event type: Cold spell

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

  • Antarctica

Duration: 4 days

Time span: June 16 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -9.9 °C
  • Mean temperature: -23.3 °C
  • Minimum temperature anomaly: -15.3 °C
  • Minimum temperature: -34.6 °C

Event center: -69.0°S 37.0°E

Area affected: 348605 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-16_to_2026-Jun-19_37.0_-69.0

Heat wave occuring from June 15 2026 to June 19 2026 at 10.0°N 349.5°E

Download data: JSON

Event type: Heat wave

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

  • Guinea
  • Liberia
  • Sierra Leone

Duration: 5 days

Time span: June 15 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.4 °C
  • Mean temperature: 26.7 °C
  • Maximum temperature anomaly: 2.3 °C
  • Maximum temperature: 28.4 °C

Event center: 10.0°N 349.5°E

Area affected: 189286 km$^2$



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

Event ID: Heat_wave_2026-Jun-15_to_2026-Jun-19_349.5_10.0