Category: Extremes affecting China

Cold spell occuring from September 22 2021 to October 18 2021 at 42.0°N 44.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Armenia
  • Azerbaijan
  • China
  • Georgia
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Mongolia
  • Pakistan
  • Russian Federation
  • Tajikistan
  • Turkmenistan
  • Türkiye
  • Uzbekistan

Duration: 27 days

Time span: September 22 2021 to October 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.7 °C
  • Mean temperature: 5.7 °C
  • Minimum temperature anomaly: -16.2 °C
  • Minimum temperature: -20.9 °C

Event center: 42.0°N 44.5°E

Area affected: 6126183 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_2021-Sep-22_to_2021-Oct-18_44.5_42.0

Heat wave occuring from September 18 2021 to September 25 2021 at 40.0°N 101.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 8 days

Time span: September 18 2021 to September 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 18.4 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 24.6 °C

Event center: 40.0°N 101.5°E

Area affected: 257852 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_2021-Sep-18_to_2021-Sep-25_101.5_40.0

Cold spell occuring from September 16 2021 to September 22 2021 at 32.5°N 95.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Nepal

Duration: 7 days

Time span: September 16 2021 to September 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -5.8 °C
  • Mean temperature: -1.6 °C
  • Minimum temperature anomaly: -14.1 °C
  • Minimum temperature: -10.8 °C

Event center: 32.5°N 95.0°E

Area affected: 392051 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_2021-Sep-16_to_2021-Sep-22_95.0_32.5

Heat wave occuring from September 16 2021 to September 21 2021 at 44.5°N 92.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia

Duration: 6 days

Time span: September 16 2021 to September 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.0 °C
  • Mean temperature: 22.3 °C
  • Maximum temperature anomaly: 7.2 °C
  • Maximum temperature: 28.6 °C

Event center: 44.5°N 92.5°E

Area affected: 104306 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_2021-Sep-16_to_2021-Sep-21_92.5_44.5

Heat wave occuring from September 15 2021 to September 19 2021 at 44.5°N 88.5°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 5 days

Time span: September 15 2021 to September 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 23.6 °C
  • Maximum temperature anomaly: 9.4 °C
  • Maximum temperature: 28.4 °C

Event center: 44.5°N 88.5°E

Area affected: 99143 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_2021-Sep-15_to_2021-Sep-19_88.5_44.5

Heat wave occuring from September 10 2021 to September 15 2021 at 32.5°N 123.5°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: September 10 2021 to September 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 1.7 °C
  • Mean temperature: 25.9 °C
  • Maximum temperature anomaly: 3.1 °C
  • Maximum temperature: 27.2 °C

Event center: 32.5°N 123.5°E

Area affected: 154878 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_2021-Sep-10_to_2021-Sep-15_123.5_32.5

Heat wave occuring from September 09 2021 to September 12 2021 at 31.0°N 116.5°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: September 09 2021 to September 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 4.3 °C
  • Maximum temperature: 29.3 °C

Event center: 31.0°N 116.5°E

Area affected: 60851 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_2021-Sep-09_to_2021-Sep-12_116.5_31.0

Heat wave occuring from September 08 2021 to September 16 2021 at 38.5°N 112.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 9 days

Time span: September 08 2021 to September 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 22.7 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: 28.9 °C

Event center: 38.5°N 112.0°E

Area affected: 1085721 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_2021-Sep-08_to_2021-Sep-16_112.0_38.5

Heat wave occuring from September 07 2021 to September 15 2021 at 26.5°N 93.5°E

Download data: JSON

Event type: Heat wave

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Myanmar
  • Nepal

Duration: 9 days

Time span: September 07 2021 to September 15 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 2.1 °C
  • Mean temperature: 27.7 °C
  • Maximum temperature anomaly: 3.8 °C
  • Maximum temperature: 32.0 °C

Event center: 26.5°N 93.5°E

Area affected: 648338 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_2021-Sep-07_to_2021-Sep-15_93.5_26.5

Cold spell occuring from August 26 2021 to September 01 2021 at 35.0°N 113.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 7 days

Time span: August 26 2021 to September 01 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.0 °C
  • Mean temperature: 19.5 °C
  • Minimum temperature anomaly: -5.9 °C
  • Minimum temperature: 15.6 °C

Event center: 35.0°N 113.0°E

Area affected: 73673 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_2021-Aug-26_to_2021-Sep-01_113.0_35.0