Category: Cold spells affecting Mongolia

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

Cold spell occuring from May 15 2025 to May 17 2025 at 46.5°N 109.0°E

Download data: JSON

Event type: Cold spell

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

  • Mongolia

Duration: 3 days

Time span: May 15 2025 to May 17 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -8.0 °C
  • Mean temperature: 5.1 °C
  • Minimum temperature anomaly: -10.8 °C
  • Minimum temperature: -0.1 °C

Event center: 46.5°N 109.0°E

Area affected: 100739 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-17_109.0_46.5

Cold spell occuring from March 26 2025 to March 29 2025 at 46.5°N 113.5°E

Download data: JSON

Event type: Cold spell

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

  • Mongolia

Duration: 4 days

Time span: March 26 2025 to March 29 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -9.5 °C
  • Mean temperature: -10.8 °C
  • Minimum temperature anomaly: -12.7 °C
  • Minimum temperature: -14.4 °C

Event center: 46.5°N 113.5°E

Area affected: 63418 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-Mar-26_to_2025-Mar-29_113.5_46.5

Cold spell occuring from March 25 2025 to April 09 2025 at 19.0°N 114.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Hong Kong
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Russian Federation
  • Taiwan, Province of China
  • Tajikistan
  • Thailand
  • Viet Nam

Duration: 16 days

Time span: March 25 2025 to April 09 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 6.8 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -25.8 °C

Event center: 19.0°N 114.0°E

Area affected: 6372090 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-Mar-25_to_2025-Apr-09_114.0_19.0

Cold spell occuring from January 26 2025 to February 04 2025 at 48.0°N 112.5°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: January 26 2025 to February 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.5 °C
  • Mean temperature: -28.5 °C
  • Minimum temperature anomaly: -12.8 °C
  • Minimum temperature: -33.4 °C

Event center: 48.0°N 112.5°E

Area affected: 366968 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-Jan-26_to_2025-Feb-04_112.5_48.0

Cold spell occuring from December 18 2024 to December 27 2024 at 47.0°N 94.5°E

Download data: JSON

Event type: Cold spell

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

  • Mongolia
  • Russian Federation

Duration: 10 days

Time span: December 18 2024 to December 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -26.4 °C
  • Minimum temperature anomaly: -13.9 °C
  • Minimum temperature: -34.7 °C

Event center: 47.0°N 94.5°E

Area affected: 136031 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_2024-Dec-18_to_2024-Dec-27_94.5_47.0

Cold spell occuring from December 11 2024 to December 15 2024 at 43.5°N 94.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 5 days

Time span: December 11 2024 to December 15 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: -16.9 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -24.0 °C

Event center: 43.5°N 94.5°E

Area affected: 60733 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_2024-Dec-11_to_2024-Dec-15_94.5_43.5

Cold spell occuring from September 27 2024 to October 02 2024 at 38.5°N 83.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 6 days

Time span: September 27 2024 to October 02 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.6 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -13.9 °C
  • Minimum temperature: -13.2 °C

Event center: 38.5°N 83.0°E

Area affected: 1451308 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_2024-Sep-27_to_2024-Oct-02_83.0_38.5

Cold spell occuring from September 12 2024 to September 14 2024 at 44.0°N 108.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 3 days

Time span: September 12 2024 to September 14 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 10.0 °C
  • Minimum temperature anomaly: -10.1 °C
  • Minimum temperature: 6.3 °C

Event center: 44.0°N 108.5°E

Area affected: 58587 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_2024-Sep-12_to_2024-Sep-14_108.5_44.0

Cold spell occuring from June 20 2024 to June 23 2024 at 40.5°N 105.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Mongolia

Duration: 4 days

Time span: June 20 2024 to June 23 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 16.7 °C
  • Minimum temperature anomaly: -11.4 °C
  • Minimum temperature: 10.3 °C

Event center: 40.5°N 105.5°E

Area affected: 147162 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_2024-Jun-20_to_2024-Jun-23_105.5_40.5