Cold spell occuring from November 20 2021 to November 24 2021 at 37.0°N 93.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 5 days

Time span: November 20 2021 to November 24 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: -8.6 °C
  • Minimum temperature anomaly: -6.0 °C
  • Minimum temperature: -22.6 °C

Event center: 37.0°N 93.0°E

Area affected: 51888 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-Nov-20_to_2021-Nov-24_93.0_37.0

Cold spell occuring from November 18 2021 to November 26 2021 at 41.5°N 86.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 9 days

Time span: November 18 2021 to November 26 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -3.9 °C
  • Mean temperature: -4.5 °C
  • Minimum temperature anomaly: -6.4 °C
  • Minimum temperature: -19.2 °C

Event center: 41.5°N 86.0°E

Area affected: 351428 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-Nov-18_to_2021-Nov-26_86.0_41.5

Heat wave occuring from November 18 2021 to November 22 2021 at 29.0°N 97.0°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: November 18 2021 to November 22 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 0.7 °C
  • Maximum temperature anomaly: 8.7 °C
  • Maximum temperature: 7.6 °C

Event center: 29.0°N 97.0°E

Area affected: 67307 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-Nov-18_to_2021-Nov-22_97.0_29.0

Heat wave occuring from November 14 2021 to November 20 2021 at 33.5°N 112.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 7 days

Time span: November 14 2021 to November 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.2 °C
  • Mean temperature: 12.7 °C
  • Maximum temperature anomaly: 7.1 °C
  • Maximum temperature: 15.9 °C

Event center: 33.5°N 112.0°E

Area affected: 240140 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-Nov-14_to_2021-Nov-20_112.0_33.5

Cold spell occuring from November 12 2021 to November 23 2021 at 41.5°N 75.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Tajikistan
  • Turkmenistan
  • Uzbekistan

Duration: 12 days

Time span: November 12 2021 to November 23 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -6.3 °C
  • Mean temperature: 1.1 °C
  • Minimum temperature anomaly: -14.5 °C
  • Minimum temperature: -22.0 °C

Event center: 41.5°N 75.0°E

Area affected: 1347813 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-Nov-12_to_2021-Nov-23_75.0_41.5

Heat wave occuring from November 03 2021 to November 07 2021 at 38.5°N 124.0°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: November 03 2021 to November 07 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.6 °C
  • Mean temperature: 16.9 °C
  • Maximum temperature anomaly: 5.1 °C
  • Maximum temperature: 18.5 °C

Event center: 38.5°N 124.0°E

Area affected: 258440 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-Nov-03_to_2021-Nov-07_124.0_38.5

Heat wave occuring from October 31 2021 to November 06 2021 at 64.5°N 136.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Russian Federation

Duration: 7 days

Time span: October 31 2021 to November 06 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 10.4 °C
  • Mean temperature: -6.5 °C
  • Maximum temperature anomaly: 19.5 °C
  • Maximum temperature: 2.0 °C

Event center: 64.5°N 136.5°E

Area affected: 908667 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-Oct-31_to_2021-Nov-06_136.5_64.5

Heat wave occuring from October 27 2021 to November 17 2021 at 56.0°N 111.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Finland
  • Mongolia
  • Norway
  • Russian Federation
  • Sweden
  • Ukraine
  • United Kingdom

Duration: 22 days

Time span: October 27 2021 to November 17 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.6 °C
  • Mean temperature: 2.7 °C
  • Maximum temperature anomaly: 21.7 °C
  • Maximum temperature: 14.9 °C

Event center: 56.0°N 111.5°E

Area affected: 5623352 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-Oct-27_to_2021-Nov-17_111.5_56.0

Cold spell occuring from October 19 2021 to November 30 2021 at 32.5°N 81.0°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • China
  • Hong Kong
  • India
  • Iran, Islamic Republic of
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Nepal
  • Pakistan
  • Russian Federation
  • Taiwan, Province of China
  • Tajikistan
  • Turkmenistan
  • Uzbekistan
  • Viet Nam

Duration: 43 days

Time span: October 19 2021 to November 30 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -4.0 °C
  • Minimum temperature anomaly: -24.5 °C
  • Minimum temperature: -32.4 °C

Event center: 32.5°N 81.0°E

Area affected: 12856484 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-Oct-19_to_2021-Nov-30_81.0_32.5

Cold spell occuring from October 15 2021 to October 25 2021 at 28.0°N 116.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Hong Kong
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Thailand
  • Viet Nam

Duration: 11 days

Time span: October 15 2021 to October 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -4.1 °C
  • Mean temperature: 14.7 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: -0.8 °C

Event center: 28.0°N 116.5°E

Area affected: 4217639 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-Oct-15_to_2021-Oct-25_116.5_28.0