Category: Extremes affecting China

Cold spell occuring from April 18 2023 to April 24 2023 at 40.5°N 74.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Kyrgyzstan
  • Tajikistan

Duration: 7 days

Time span: April 18 2023 to April 24 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -5.0 °C
  • Mean temperature: -7.0 °C
  • Minimum temperature anomaly: -9.6 °C
  • Minimum temperature: -19.8 °C

Event center: 40.5°N 74.5°E

Area affected: 109648 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_2023-Apr-18_to_2023-Apr-24_74.5_40.5

Heat wave occuring from April 15 2023 to April 19 2023 at 23.0°N 116.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Hong Kong

Duration: 5 days

Time span: April 15 2023 to April 19 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.3 °C
  • Mean temperature: 25.1 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 27.4 °C

Event center: 23.0°N 116.0°E

Area affected: 113290 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_2023-Apr-15_to_2023-Apr-19_116.0_23.0

Heat wave occuring from April 10 2023 to April 13 2023 at 30.5°N 112.0°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: April 10 2023 to April 13 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 21.8 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 24.8 °C

Event center: 30.5°N 112.0°E

Area affected: 189769 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_2023-Apr-10_to_2023-Apr-13_112.0_30.5

Heat wave occuring from April 08 2023 to April 11 2023 at 35.5°N 120.0°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: April 08 2023 to April 11 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 2.7 °C
  • Mean temperature: 12.2 °C
  • Maximum temperature anomaly: 6.6 °C
  • Maximum temperature: 17.2 °C

Event center: 35.5°N 120.0°E

Area affected: 63090 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_2023-Apr-08_to_2023-Apr-11_120.0_35.5

Cold spell occuring from April 04 2023 to April 06 2023 at 38.0°N 101.5°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: April 04 2023 to April 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -8.7 °C
  • Mean temperature: -11.5 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -20.7 °C

Event center: 38.0°N 101.5°E

Area affected: 53180 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_2023-Apr-04_to_2023-Apr-06_101.5_38.0

Cold spell occuring from April 02 2023 to April 25 2023 at 64.5°N 94.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan
  • Kyrgyzstan
  • Mongolia
  • Russian Federation

Duration: 24 days

Time span: April 02 2023 to April 25 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.8 °C
  • Mean temperature: -17.3 °C
  • Minimum temperature anomaly: -20.2 °C
  • Minimum temperature: -41.5 °C

Event center: 64.5°N 94.0°E

Area affected: 8402503 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_2023-Apr-02_to_2023-Apr-25_94.0_64.5

Cold spell occuring from April 02 2023 to April 07 2023 at 37.0°N 106.5°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 6 days

Time span: April 02 2023 to April 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: 2.1 °C
  • Minimum temperature anomaly: -11.5 °C
  • Minimum temperature: -5.4 °C

Event center: 37.0°N 106.5°E

Area affected: 175847 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_2023-Apr-02_to_2023-Apr-07_106.5_37.0

Cold spell occuring from April 02 2023 to April 14 2023 at 34.0°N 85.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 13 days

Time span: April 02 2023 to April 14 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -6.0 °C
  • Mean temperature: -14.1 °C
  • Minimum temperature anomaly: -9.4 °C
  • Minimum temperature: -20.4 °C

Event center: 34.0°N 85.0°E

Area affected: 183875 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_2023-Apr-02_to_2023-Apr-14_85.0_34.0

Heat wave occuring from April 01 2023 to April 06 2023 at 19.5°N 108.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 6 days

Time span: April 01 2023 to April 06 2023

Statistics over entire affected area:

  • Mean temperature anomaly: 3.0 °C
  • Mean temperature: 26.1 °C
  • Maximum temperature anomaly: 5.0 °C
  • Maximum temperature: 29.6 °C

Event center: 19.5°N 108.5°E

Area affected: 84106 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_2023-Apr-01_to_2023-Apr-06_108.5_19.5

Cold spell occuring from March 30 2023 to April 07 2023 at 43.5°N 94.0°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: 9 days

Time span: March 30 2023 to April 07 2023

Statistics over entire affected area:

  • Mean temperature anomaly: -9.7 °C
  • Mean temperature: -7.4 °C
  • Minimum temperature anomaly: -17.8 °C
  • Minimum temperature: -26.8 °C

Event center: 43.5°N 94.0°E

Area affected: 3193902 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_2023-Mar-30_to_2023-Apr-07_94.0_43.5