Category: Extremes affecting Russian Federation

Cold spell occuring from May 15 2025 to May 24 2025 at 53.5°N 126.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia
  • Russian Federation

Duration: 10 days

Time span: May 15 2025 to May 24 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.4 °C
  • Mean temperature: 5.6 °C
  • Minimum temperature anomaly: -11.9 °C
  • Minimum temperature: -1.2 °C

Event center: 53.5°N 126.5°E

Area affected: 885049 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_2025-May-15_to_2025-May-24_126.5_53.5

Heat wave occuring from May 09 2025 to May 12 2025 at 52.0°N 106.0°E

Download data: JSON

Event type: Heat wave

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

  • Mongolia
  • Russian Federation

Duration: 4 days

Time span: May 09 2025 to May 12 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 11.9 °C
  • Maximum temperature: 21.2 °C

Event center: 52.0°N 106.0°E

Area affected: 406185 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_2025-May-09_to_2025-May-12_106.0_52.0

Heat wave occuring from May 08 2025 to May 16 2025 at 61.5°N 152.5°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 08 2025 to May 16 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.3 °C
  • Mean temperature: 5.6 °C
  • Maximum temperature anomaly: 12.2 °C
  • Maximum temperature: 12.0 °C

Event center: 61.5°N 152.5°E

Area affected: 824076 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_2025-May-08_to_2025-May-16_152.5_61.5

Cold spell occuring from May 05 2025 to May 20 2025 at 48.5°N 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Bulgaria
  • Estonia
  • Hungary
  • Latvia
  • Lithuania
  • Moldova, Republic of
  • Poland
  • Romania
  • Russian Federation
  • Serbia
  • Slovakia
  • Ukraine

Duration: 16 days

Time span: May 05 2025 to May 20 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 7.2 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: 0.6 °C

Event center: 48.5°N 23.5°E

Area affected: 2002697 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_2025-May-05_to_2025-May-20_23.5_48.5

Cold spell occuring from May 04 2025 to May 09 2025 at 62.5°N 23.5°E

Download data: JSON

Event type: Cold spell

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 6 days

Time span: May 04 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.1 °C
  • Mean temperature: 1.1 °C
  • Minimum temperature anomaly: -6.5 °C
  • Minimum temperature: -3.3 °C

Event center: 62.5°N 23.5°E

Area affected: 264941 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_2025-May-04_to_2025-May-09_23.5_62.5

Heat wave occuring from May 02 2025 to May 09 2025 at 69.0°N 93.0°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 02 2025 to May 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 2.1 °C
  • Maximum temperature anomaly: 12.9 °C
  • Maximum temperature: 7.2 °C

Event center: 69.0°N 93.0°E

Area affected: 578154 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_2025-May-02_to_2025-May-09_93.0_69.0

Cold spell occuring from May 01 2025 to May 06 2025 at 63.0°N 177.5°E

Download data: JSON

Event type: Cold spell

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

  • Russian Federation

Duration: 6 days

Time span: May 01 2025 to May 06 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: -11.4 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: -16.8 °C

Event center: 63.0°N 177.5°E

Area affected: 246176 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_2025-May-01_to_2025-May-06_177.5_63.0

Cold spell occuring from April 27 2025 to April 29 2025 at 47.0°N 43.0°E

Download data: JSON

Event type: Cold spell

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

  • Kazakhstan
  • Russian Federation

Duration: 3 days

Time span: April 27 2025 to April 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.2 °C
  • Mean temperature: 7.4 °C
  • Minimum temperature anomaly: -9.7 °C
  • Minimum temperature: 3.9 °C

Event center: 47.0°N 43.0°E

Area affected: 214622 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_2025-Apr-27_to_2025-Apr-29_43.0_47.0

Cold spell occuring from April 25 2025 to April 28 2025 at 59.5°N 40.0°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: April 25 2025 to April 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 0.2 °C
  • Minimum temperature anomaly: -9.2 °C
  • Minimum temperature: -2.6 °C

Event center: 59.5°N 40.0°E

Area affected: 69026 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_2025-Apr-25_to_2025-Apr-28_40.0_59.5

Cold spell occuring from April 20 2025 to April 29 2025 at 75.0°N 21.0°E

Download data: JSON

Event type: Cold spell

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

  • Norway
  • Russian Federation
  • Svalbard and Jan Mayen

Duration: 10 days

Time span: April 20 2025 to April 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: -6.5 °C
  • Minimum temperature anomaly: -8.6 °C
  • Minimum temperature: -16.4 °C

Event center: 75.0°N 21.0°E

Area affected: 348423 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_2025-Apr-20_to_2025-Apr-29_21.0_75.0