Category: Weather Extremes – all events

Cold spell occuring from June 14 2026 to June 20 2026 at -72.5°S 300.5°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: June 14 2026 to June 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.2 °C
  • Mean temperature: -32.2 °C
  • Minimum temperature anomaly: -14.0 °C
  • Minimum temperature: -43.9 °C

Event center: -72.5°S 300.5°E

Area affected: 488779 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-14_to_2026-Jun-20_300.5_-72.5

Cold spell occuring from June 14 2026 to June 30 2026 at 57.5°N 181.0°E

Download data: JSON

Event type: Cold spell

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

  • United States

Duration: 17 days

Time span: June 14 2026 to June 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.0 °C
  • Mean temperature: 4.1 °C
  • Minimum temperature anomaly: -4.9 °C
  • Minimum temperature: 1.8 °C

Event center: 57.5°N 181.0°E

Area affected: 1345302 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-14_to_2026-Jun-30_181.0_57.5

Heat wave occuring from June 13 2026 to June 17 2026 at 28.0°N 63.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Iran
  • Pakistan

Duration: 5 days

Time span: June 13 2026 to June 17 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.2 °C
  • Mean temperature: 35.4 °C
  • Maximum temperature anomaly: 6.7 °C
  • Maximum temperature: 42.2 °C

Event center: 28.0°N 63.0°E

Area affected: 407529 km$^2$



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

Event ID: Heat_wave_2026-Jun-13_to_2026-Jun-17_63.0_28.0

Heat wave occuring from June 13 2026 to June 20 2026 at -13.5°S 40.5°E

Download data: JSON

Event type: Heat wave

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

  • Mozambique

Duration: 8 days

Time span: June 13 2026 to June 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 1.2 °C
  • Mean temperature: 25.0 °C
  • Maximum temperature anomaly: 2.9 °C
  • Maximum temperature: 26.6 °C

Event center: -13.5°S 40.5°E

Area affected: 512756 km$^2$



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

Event ID: Heat_wave_2026-Jun-13_to_2026-Jun-20_40.5_-13.5

Heat wave occuring from June 13 2026 to June 16 2026 at -51.0°S 288.5°E

Download data: JSON

Event type: Heat wave

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

  • Argentina
  • Chile

Duration: 4 days

Time span: June 13 2026 to June 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 6.3 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 13.3 °C

Event center: -51.0°S 288.5°E

Area affected: 299029 km$^2$



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

Event ID: Heat_wave_2026-Jun-13_to_2026-Jun-16_288.5_-51.0

Cold spell occuring from June 13 2026 to June 24 2026 at 53.0°N 144.5°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: June 13 2026 to June 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.3 °C
  • Mean temperature: 4.1 °C
  • Minimum temperature anomaly: -4.0 °C
  • Minimum temperature: 1.7 °C

Event center: 53.0°N 144.5°E

Area affected: 396970 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-13_to_2026-Jun-24_144.5_53.0

Cold spell occuring from June 13 2026 to June 30 2026 at 47.5°N 275.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • United States

Duration: 18 days

Time span: June 13 2026 to June 30 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: 5.8 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: 1.8 °C

Event center: 47.5°N 275.0°E

Area affected: 93928 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-13_to_2026-Jun-30_275.0_47.5

Cold spell occuring from June 13 2026 to June 16 2026 at 51.5°N 271.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada

Duration: 4 days

Time span: June 13 2026 to June 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: 7.6 °C
  • Minimum temperature anomaly: -9.3 °C
  • Minimum temperature: 4.0 °C

Event center: 51.5°N 271.5°E

Area affected: 157666 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-13_to_2026-Jun-16_271.5_51.5

Cold spell occuring from June 13 2026 to June 15 2026 at 49.5°N 114.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 3 days

Time span: June 13 2026 to June 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 12.4 °C
  • Minimum temperature anomaly: -7.0 °C
  • Minimum temperature: 9.2 °C

Event center: 49.5°N 114.0°E

Area affected: 116347 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-13_to_2026-Jun-15_114.0_49.5

Cold spell occuring from June 13 2026 to June 15 2026 at 44.5°N 120.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 3 days

Time span: June 13 2026 to June 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.7 °C
  • Mean temperature: 14.7 °C
  • Minimum temperature anomaly: -8.2 °C
  • Minimum temperature: 10.1 °C

Event center: 44.5°N 120.5°E

Area affected: 50250 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-13_to_2026-Jun-15_120.5_44.5