Heat wave occuring from May 29 2026 to June 06 2026 at 58.0°N 158.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 9 days

Time span: May 29 2026 to June 06 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 6.7 °C
  • Maximum temperature anomaly: 6.4 °C
  • Maximum temperature: 14.3 °C

Event center: 58.0°N 158.0°E

Area affected: 86205 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-May-29_to_2026-Jun-06_158.0_58.0

Cold spell occuring from May 28 2026 to June 01 2026 at 61.0°N 110.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 5 days

Time span: May 28 2026 to June 01 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 3.1 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: -0.3 °C

Event center: 61.0°N 110.0°E

Area affected: 182418 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-May-28_to_2026-Jun-01_110.0_61.0

Cold spell occuring from May 26 2026 to June 03 2026 at 42.5°N 45.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Finland
  • Georgia
  • Kazakhstan
  • Latvia
  • Russian Federation
  • Turkiye
  • Ukraine

Duration: 9 days

Time span: May 26 2026 to June 03 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -3.0 °C

Event center: 42.5°N 45.5°E

Area affected: 2026534 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-May-26_to_2026-Jun-03_45.5_42.5

Cold spell occuring from May 24 2026 to June 19 2026 at 80.5°N 197.0°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Russian Federation
  • United States

Duration: 27 days

Time span: May 24 2026 to June 19 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -2.6 °C
  • Mean temperature: -3.0 °C
  • Minimum temperature anomaly: -12.5 °C
  • Minimum temperature: -14.3 °C

Event center: 80.5°N 197.0°E

Area affected: 5946999 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-May-24_to_2026-Jun-19_197.0_80.5

Heat wave occuring from May 24 2026 to May 31 2026 at 58.5°N 163.0°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 8 days

Time span: May 24 2026 to May 31 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 2.0 °C
  • Mean temperature: 4.7 °C
  • Maximum temperature anomaly: 3.7 °C
  • Maximum temperature: 6.3 °C

Event center: 58.5°N 163.0°E

Area affected: 69565 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-May-24_to_2026-May-31_163.0_58.5

Heat wave occuring from May 23 2026 to June 21 2026 at 64.5°N 179.5°E

Download data: JSON

Event type: Heat wave

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

  • Russian Federation

Duration: 30 days

Time span: May 23 2026 to June 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.0 °C
  • Mean temperature: 12.0 °C
  • Maximum temperature anomaly: 15.8 °C
  • Maximum temperature: 21.8 °C

Event center: 64.5°N 179.5°E

Area affected: 2530830 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-May-23_to_2026-Jun-21_179.5_64.5

Heat wave occuring from May 22 2026 to June 04 2026 at 69.0°N 61.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan
  • Russian Federation

Duration: 14 days

Time span: May 22 2026 to June 04 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 8.5 °C
  • Mean temperature: 15.7 °C
  • Maximum temperature anomaly: 18.3 °C
  • Maximum temperature: 24.9 °C

Event center: 69.0°N 61.5°E

Area affected: 1890895 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-May-22_to_2026-Jun-04_61.5_69.0

Cold spell occuring from May 21 2026 to May 24 2026 at 57.0°N 88.0°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 4 days

Time span: May 21 2026 to May 24 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.3 °C
  • Mean temperature: 1.9 °C
  • Minimum temperature anomaly: -11.6 °C
  • Minimum temperature: -2.9 °C

Event center: 57.0°N 88.0°E

Area affected: 470690 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-May-21_to_2026-May-24_88.0_57.0

Cold spell occuring from May 14 2026 to May 20 2026 at 62.5°N 138.5°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: May 14 2026 to May 20 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -5.7 °C
  • Minimum temperature anomaly: -11.1 °C
  • Minimum temperature: -14.0 °C

Event center: 62.5°N 138.5°E

Area affected: 421653 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-May-14_to_2026-May-20_138.5_62.5

Cold spell occuring from May 10 2026 to May 21 2026 at 51.0°N 90.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 12 days

Time span: May 10 2026 to May 21 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -8.1 °C
  • Mean temperature: 0.9 °C
  • Minimum temperature anomaly: -12.2 °C
  • Minimum temperature: -10.3 °C

Event center: 51.0°N 90.0°E

Area affected: 1140373 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-May-10_to_2026-May-21_90.0_51.0