Category: Cold spells affecting Russian Federation

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: December 07 2025 to December 09 2025

Statistics over entire affected area:

• Mean temperature anomaly: -16.4 °C
• Mean temperature: -33.5 °C
• Minimum temperature anomaly: -21.2 °C
• Minimum temperature: -39.5 °C

Event center: 58.0°N 89.5°E

Area affected: 51335 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-Dec-07_to_2025-Dec-09_89.5_58.0

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: December 03 2025 to December 08 2025

Statistics over entire affected area:

• Mean temperature anomaly: -12.3 °C
• Mean temperature: -37.6 °C
• Minimum temperature anomaly: -20.7 °C
• Minimum temperature: -44.9 °C

Event center: 70.0°N 89.5°E

Area affected: 62622 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-Dec-03_to_2025-Dec-08_89.5_70.0

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: November 29 2025 to December 01 2025

Statistics over entire affected area:

• Mean temperature anomaly: -13.5 °C
• Mean temperature: -28.5 °C
• Minimum temperature anomaly: -19.9 °C
• Minimum temperature: -37.3 °C

Event center: 54.0°N 98.0°E

Area affected: 105277 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-Nov-29_to_2025-Dec-01_98.0_54.0

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: November 27 2025 to December 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: -12.9 °C
• Mean temperature: -40.1 °C
• Minimum temperature anomaly: -19.4 °C
• Minimum temperature: -44.8 °C

Event center: 60.0°N 117.0°E

Area affected: 105426 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-Nov-27_to_2025-Dec-02_117.0_60.0

Download data: JSON

Event type: Cold spell

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

• Russian Federation

Duration: 11 days

Time span: November 22 2025 to December 02 2025

Statistics over entire affected area:

• Mean temperature anomaly: -12.7 °C
• Mean temperature: -40.5 °C
• Minimum temperature anomaly: -20.2 °C
• Minimum temperature: -49.6 °C

Event center: 71.0°N 97.5°E

Area affected: 1018909 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-Nov-22_to_2025-Dec-02_97.5_71.0

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: November 19 2025 to November 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: -8.3 °C
• Mean temperature: -13.5 °C
• Minimum temperature anomaly: -19.1 °C
• Minimum temperature: -32.7 °C

Event center: 63.5°N 180.0°E

Area affected: 75790 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-Nov-19_to_2025-Nov-21_180.0_63.5

Download data: JSON

Event type: Cold spell

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

• Russian Federation

Duration: 15 days

Time span: November 19 2025 to December 03 2025

Statistics over entire affected area:

• Mean temperature anomaly: -9.4 °C
• Mean temperature: -40.8 °C
• Minimum temperature anomaly: -16.2 °C
• Minimum temperature: -50.8 °C

Event center: 67.5°N 131.5°E

Area affected: 554828 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-Nov-19_to_2025-Dec-03_131.5_67.5

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: November 18 2025 to November 21 2025

Statistics over entire affected area:

• Mean temperature anomaly: -13.2 °C
• Mean temperature: -27.7 °C
• Minimum temperature anomaly: -19.6 °C
• Minimum temperature: -35.6 °C

Event center: 61.0°N 169.0°E

Area affected: 72336 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-Nov-18_to_2025-Nov-21_169.0_61.0