Cold spell occuring from March 25 2025 to March 28 2025 at 44.0°N 74.5°E

Download data: JSON

Event type: Cold spell

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

  • Kazakhstan

Duration: 4 days

Time span: March 25 2025 to March 28 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -7.4 °C
  • Mean temperature: 1.2 °C
  • Minimum temperature anomaly: -9.5 °C
  • Minimum temperature: -2.5 °C

Event center: 44.0°N 74.5°E

Area affected: 57829 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-Mar-28_74.5_44.0

Heat wave occuring from February 23 2025 to February 25 2025 at 48.5°N 67.5°E

Download data: JSON

Event type: Heat wave

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

  • Kazakhstan

Duration: 3 days

Time span: February 23 2025 to February 25 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 9.4 °C
  • Mean temperature: -2.5 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: -0.2 °C

Event center: 48.5°N 67.5°E

Area affected: 72996 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-Feb-23_to_2025-Feb-25_67.5_48.5

Heat wave occuring from February 18 2025 to March 01 2025 at 43.0°N 79.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan
  • Kyrgyzstan
  • Tajikistan
  • Uzbekistan

Duration: 12 days

Time span: February 18 2025 to March 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: -1.3 °C
  • Maximum temperature anomaly: 12.5 °C
  • Maximum temperature: 12.5 °C

Event center: 43.0°N 79.0°E

Area affected: 289014 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-Feb-18_to_2025-Mar-01_79.0_43.0

Cold spell occuring from February 16 2025 to March 04 2025 at 43.0°N 48.0°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Armenia
  • Azerbaijan
  • Bahrain
  • Bulgaria
  • Cyprus
  • Egypt
  • Georgia
  • Greece
  • Hungary
  • Iran, Islamic Republic of
  • Iraq
  • Israel
  • Jordan
  • Kazakhstan
  • Kuwait
  • Lebanon
  • Libya
  • Moldova, Republic of
  • Montenegro
  • North Macedonia
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Syrian Arab Republic
  • Turkmenistan
  • Türkiye
  • Ukraine
  • United Arab Emirates
  • Uzbekistan

Duration: 17 days

Time span: February 16 2025 to March 04 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -6.8 °C
  • Mean temperature: 0.8 °C
  • Minimum temperature anomaly: -19.9 °C
  • Minimum temperature: -21.0 °C

Event center: 43.0°N 48.0°E

Area affected: 7275702 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-Feb-16_to_2025-Mar-04_48.0_43.0

Heat wave occuring from January 10 2025 to January 23 2025 at 43.0°N 79.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan
  • Kyrgyzstan

Duration: 14 days

Time span: January 10 2025 to January 23 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: -9.9 °C
  • Maximum temperature anomaly: 12.0 °C
  • Maximum temperature: 5.0 °C

Event center: 43.0°N 79.5°E

Area affected: 108151 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-Jan-10_to_2025-Jan-23_79.5_43.0

Heat wave occuring from December 29 2024 to January 07 2025 at 48.0°N 83.0°E

Download data: JSON

Event type: Heat wave

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

  • Belarus
  • China
  • Kazakhstan
  • Lithuania
  • Russian Federation
  • Turkmenistan
  • Ukraine
  • Uzbekistan

Duration: 10 days

Time span: December 29 2024 to January 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 10.9 °C
  • Mean temperature: -0.5 °C
  • Maximum temperature anomaly: 19.0 °C
  • Maximum temperature: 10.5 °C

Event center: 48.0°N 83.0°E

Area affected: 4037938 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_2024-Dec-29_to_2025-Jan-07_83.0_48.0

Heat wave occuring from December 24 2024 to January 07 2025 at 42.0°N 79.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Kazakhstan
  • Kyrgyzstan

Duration: 15 days

Time span: December 24 2024 to January 07 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 6.9 °C
  • Mean temperature: -11.2 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: -5.1 °C

Event center: 42.0°N 79.0°E

Area affected: 55325 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_2024-Dec-24_to_2025-Jan-07_79.0_42.0

Cold spell occuring from December 09 2024 to December 13 2024 at 45.5°N 80.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan

Duration: 5 days

Time span: December 09 2024 to December 13 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.9 °C
  • Mean temperature: -18.0 °C
  • Minimum temperature anomaly: -11.7 °C
  • Minimum temperature: -27.8 °C

Event center: 45.5°N 80.5°E

Area affected: 66212 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-09_to_2024-Dec-13_80.5_45.5

Cold spell occuring from December 08 2024 to December 12 2024 at 47.5°N 72.0°E

Download data: JSON

Event type: Cold spell

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

  • Kazakhstan

Duration: 5 days

Time span: December 08 2024 to December 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -10.5 °C
  • Mean temperature: -20.0 °C
  • Minimum temperature anomaly: -17.4 °C
  • Minimum temperature: -28.6 °C

Event center: 47.5°N 72.0°E

Area affected: 144614 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-08_to_2024-Dec-12_72.0_47.5

Cold spell occuring from December 01 2024 to January 05 2025 at 40.5°N 86.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Kazakhstan
  • Kyrgyzstan
  • Pakistan
  • Tajikistan
  • Uzbekistan

Duration: 36 days

Time span: December 01 2024 to January 05 2025

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -13.2 °C
  • Minimum temperature anomaly: -15.1 °C
  • Minimum temperature: -33.7 °C

Event center: 40.5°N 86.5°E

Area affected: 1245413 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-01_to_2025-Jan-05_86.5_40.5