Heat wave occuring from December 20 2020 to December 22 2020 at 48.5°N 122.5°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: December 20 2020 to December 22 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: -10.6 °C
  • Maximum temperature anomaly: 9.1 °C
  • Maximum temperature: -5.7 °C

Event center: 48.5°N 122.5°E

Area affected: 85207 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_2020-Dec-20_to_2020-Dec-22_122.5_48.5

Heat wave occuring from December 20 2020 to December 23 2020 at 49.0°N 117.5°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Mongolia
  • Russian Federation

Duration: 4 days

Time span: December 20 2020 to December 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -13.9 °C
  • Maximum temperature anomaly: 11.0 °C
  • Maximum temperature: -8.9 °C

Event center: 49.0°N 117.5°E

Area affected: 70031 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_2020-Dec-20_to_2020-Dec-23_117.5_49.0

Heat wave occuring from December 20 2020 to December 25 2020 at 32.0°N 92.5°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: December 20 2020 to December 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.6 °C
  • Mean temperature: -7.5 °C
  • Maximum temperature anomaly: 10.3 °C
  • Maximum temperature: 2.2 °C

Event center: 32.0°N 92.5°E

Area affected: 58283 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_2020-Dec-20_to_2020-Dec-25_92.5_32.0

Cold spell occuring from December 19 2020 to February 09 2021 at 49.5°N 147.5°E

Download data: JSON

Event type: Cold spell

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

  • Afghanistan
  • Albania
  • Belarus
  • Bosnia and Herzegovina
  • Bulgaria
  • Cambodia
  • China
  • Croatia
  • Czechia
  • Estonia
  • Finland
  • Greece
  • Hong Kong
  • Hungary
  • India
  • Iran, Islamic Republic of
  • Italy
  • Japan
  • Kazakhstan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Latvia
  • Lithuania
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • Myanmar
  • North Macedonia
  • Oman
  • Pakistan
  • Poland
  • Romania
  • Russian Federation
  • Serbia
  • Slovakia
  • Slovenia
  • Sweden
  • Taiwan, Province of China
  • Tajikistan
  • Thailand
  • Turkmenistan
  • Türkiye
  • Ukraine
  • Uzbekistan
  • Viet Nam

Duration: 53 days

Time span: December 19 2020 to February 09 2021

Statistics over entire affected area:

  • Mean temperature anomaly: -11.0 °C
  • Mean temperature: -25.7 °C
  • Minimum temperature anomaly: -28.3 °C
  • Minimum temperature: -60.6 °C

Event center: 49.5°N 147.5°E

Area affected: 40138019 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_2020-Dec-19_to_2021-Feb-09_147.5_49.5

Cold spell occuring from December 14 2020 to December 21 2020 at 37.0°N 101.0°E

Download data: JSON

Event type: Cold spell

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

  • China

Duration: 8 days

Time span: December 14 2020 to December 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.5 °C
  • Mean temperature: -18.5 °C
  • Minimum temperature anomaly: -10.4 °C
  • Minimum temperature: -32.5 °C

Event center: 37.0°N 101.0°E

Area affected: 380516 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_2020-Dec-14_to_2020-Dec-21_101.0_37.0

Heat wave occuring from December 11 2020 to December 20 2020 at 26.0°N 102.0°E

Download data: JSON

Event type: Heat wave

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

  • China
  • Lao People’s Democratic Republic
  • Myanmar
  • Thailand
  • Viet Nam

Duration: 10 days

Time span: December 11 2020 to December 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.1 °C
  • Mean temperature: 19.0 °C
  • Maximum temperature anomaly: 4.9 °C
  • Maximum temperature: 28.6 °C

Event center: 26.0°N 102.0°E

Area affected: 517794 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_2020-Dec-11_to_2020-Dec-20_102.0_26.0

Cold spell occuring from December 10 2020 to December 25 2020 at 33.0°N 105.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Mongolia
  • Viet Nam

Duration: 16 days

Time span: December 10 2020 to December 25 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -6.1 °C
  • Mean temperature: -6.5 °C
  • Minimum temperature anomaly: -14.3 °C
  • Minimum temperature: -35.1 °C

Event center: 33.0°N 105.0°E

Area affected: 3941799 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_2020-Dec-10_to_2020-Dec-25_105.0_33.0

Cold spell occuring from December 10 2020 to December 20 2020 at 45.0°N 81.0°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Kazakhstan

Duration: 11 days

Time span: December 10 2020 to December 20 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.4 °C
  • Mean temperature: -18.8 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -26.5 °C

Event center: 45.0°N 81.0°E

Area affected: 256800 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_2020-Dec-10_to_2020-Dec-20_81.0_45.0

Heat wave occuring from December 07 2020 to December 17 2020 at 32.0°N 92.5°E

Download data: JSON

Event type: Heat wave

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

  • Bhutan
  • China

Duration: 11 days

Time span: December 07 2020 to December 17 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.2 °C
  • Mean temperature: -7.4 °C
  • Maximum temperature anomaly: 11.2 °C
  • Maximum temperature: 2.6 °C

Event center: 32.0°N 92.5°E

Area affected: 262525 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_2020-Dec-07_to_2020-Dec-17_92.5_32.0

Heat wave occuring from December 05 2020 to December 18 2020 at 33.0°N 100.0°E

Download data: JSON

Event type: Heat wave

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

  • China

Duration: 14 days

Time span: December 05 2020 to December 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.5 °C
  • Mean temperature: -6.2 °C
  • Maximum temperature anomaly: 11.3 °C
  • Maximum temperature: 1.1 °C

Event center: 33.0°N 100.0°E

Area affected: 173401 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_2020-Dec-05_to_2020-Dec-18_100.0_33.0