Category: Extremes affecting China

Cold spell occuring from February 18 2026 to March 25 2026 at 63.5°N 68.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan
  • Mongolia
  • Russian Federation

Duration: 36 days

Time span: February 18 2026 to March 25 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -13.2 °C
  • Mean temperature: -28.3 °C
  • Minimum temperature anomaly: -26.3 °C
  • Minimum temperature: -49.6 °C

Event center: 63.5°N 68.0°E

Area affected: 11147591 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-Feb-18_to_2026-Mar-25_68.0_63.5

Heat wave occuring from February 13 2026 to February 16 2026 at 24.5°N 117.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 4 days

Time span: February 13 2026 to February 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.8 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 10.7 °C
  • Maximum temperature: 23.1 °C

Event center: 24.5°N 117.0°E

Area affected: 214898 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-Feb-13_to_2026-Feb-16_117.0_24.5

Heat wave occuring from February 11 2026 to February 14 2026 at 45.5°N 132.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Russian Federation

Duration: 4 days

Time span: February 11 2026 to February 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 8.1 °C
  • Mean temperature: -5.0 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 0.2 °C

Event center: 45.5°N 132.0°E

Area affected: 108049 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-Feb-11_to_2026-Feb-14_132.0_45.5

Heat wave occuring from February 11 2026 to February 14 2026 at 37.0°N 117.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 4 days

Time span: February 11 2026 to February 14 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 7.8 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: 14.5 °C

Event center: 37.0°N 117.0°E

Area affected: 483481 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-Feb-11_to_2026-Feb-14_117.0_37.0

Heat wave occuring from February 11 2026 to February 15 2026 at 40.5°N 128.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Korea, Democratic People’s Republic of

Duration: 5 days

Time span: February 11 2026 to February 15 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: 0.3 °C
  • Maximum temperature anomaly: 12.7 °C
  • Maximum temperature: 5.5 °C

Event center: 40.5°N 128.5°E

Area affected: 98383 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-Feb-11_to_2026-Feb-15_128.5_40.5

Heat wave occuring from February 08 2026 to February 16 2026 at 57.5°N 117.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Russian Federation

Duration: 9 days

Time span: February 08 2026 to February 16 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 9.3 °C
  • Mean temperature: -14.0 °C
  • Maximum temperature anomaly: 15.3 °C
  • Maximum temperature: -7.2 °C

Event center: 57.5°N 117.0°E

Area affected: 347277 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-Feb-08_to_2026-Feb-16_117.0_57.5

Cold spell occuring from February 06 2026 to February 08 2026 at 41.0°N 127.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 3 days

Time span: February 06 2026 to February 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.1 °C
  • Mean temperature: -10.9 °C
  • Minimum temperature anomaly: -13.8 °C
  • Minimum temperature: -27.8 °C

Event center: 41.0°N 127.0°E

Area affected: 110604 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-Feb-06_to_2026-Feb-08_127.0_41.0

Cold spell occuring from February 06 2026 to February 08 2026 at 34.5°N 126.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Korea, Republic of

Duration: 3 days

Time span: February 06 2026 to February 08 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: 1.4 °C
  • Minimum temperature anomaly: -6.3 °C
  • Minimum temperature: -2.8 °C

Event center: 34.5°N 126.5°E

Area affected: 59149 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-Feb-06_to_2026-Feb-08_126.5_34.5

Cold spell occuring from February 05 2026 to February 07 2026 at 43.5°N 122.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 3 days

Time span: February 05 2026 to February 07 2026

Statistics over entire affected area:

  • Mean temperature anomaly: -7.7 °C
  • Mean temperature: -16.5 °C
  • Minimum temperature anomaly: -9.9 °C
  • Minimum temperature: -19.8 °C

Event center: 43.5°N 122.5°E

Area affected: 81421 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-Feb-05_to_2026-Feb-07_122.5_43.5

Heat wave occuring from February 03 2026 to February 05 2026 at 34.5°N 115.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 3 days

Time span: February 03 2026 to February 05 2026

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 7.4 °C
  • Maximum temperature anomaly: 6.1 °C
  • Maximum temperature: 8.9 °C

Event center: 34.5°N 115.0°E

Area affected: 84426 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-Feb-03_to_2026-Feb-05_115.0_34.5