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

Heat wave occuring from November 17 2020 to April 19 2021 at 16.5°N 134.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Armenia
  • Aruba
  • Austria
  • Azerbaijan
  • Bahamas
  • Bahrain
  • Bangladesh
  • Belarus
  • Belize
  • Bhutan
  • Bonaire, Sint Eustatius and Saba
  • Bosnia and Herzegovina
  • Bulgaria
  • Cambodia
  • Cameroon
  • Canada
  • Central African Republic
  • Chad
  • China
  • Colombia
  • Costa Rica
  • Croatia
  • Cuba
  • Cyprus
  • Czechia
  • Denmark
  • Djibouti
  • Dominican Republic
  • Egypt
  • El Salvador
  • Eritrea
  • Estonia
  • Ethiopia
  • Finland
  • France
  • Georgia
  • Germany
  • Greece
  • Greenland
  • Guatemala
  • Haiti
  • Honduras
  • Hong Kong
  • Hungary
  • India
  • Indonesia
  • Iran, Islamic Republic of
  • Iraq
  • Israel
  • Italy
  • Jamaica
  • Japan
  • Jordan
  • Kazakhstan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kuwait
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Latvia
  • Lebanon
  • Libya
  • Lithuania
  • Mali
  • Martinique
  • Mauritania
  • Mexico
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • Morocco
  • Myanmar
  • Nepal
  • Nicaragua
  • Niger
  • Nigeria
  • North Macedonia
  • Northern Mariana Islands
  • Oman
  • Pakistan
  • Palau
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Saudi Arabia
  • Serbia
  • Slovakia
  • Slovenia
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Sweden
  • Switzerland
  • Syrian Arab Republic
  • Taiwan, Province of China
  • Tajikistan
  • Thailand
  • Tunisia
  • Turkmenistan
  • Turks and Caicos Islands
  • Türkiye
  • Ukraine
  • United Arab Emirates
  • United States
  • Uzbekistan
  • Viet Nam
  • Yemen

Duration: 154 days

Time span: November 17 2020 to April 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.3 °C
  • Mean temperature: 16.8 °C
  • Maximum temperature anomaly: 27.4 °C
  • Maximum temperature: 37.1 °C

Event center: 16.5°N 134.5°E

Area affected: 124427445 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-Nov-17_to_2021-Apr-19_134.5_16.5

Cold spell occuring from July 20 2020 to August 03 2020 at 36.0°N 124.0°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: 15 days

Time span: July 20 2020 to August 03 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 23.1 °C
  • Minimum temperature anomaly: -8.3 °C
  • Minimum temperature: 15.4 °C

Event center: 36.0°N 124.0°E

Area affected: 1269860 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-Jul-20_to_2020-Aug-03_124.0_36.0

Cold spell occuring from July 11 2020 to July 21 2020 at 31.5°N 111.5°E

Download data: JSON

Event type: Cold spell

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

  • China
  • Japan
  • Korea, Republic of

Duration: 11 days

Time span: July 11 2020 to July 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.7 °C
  • Mean temperature: 22.5 °C
  • Minimum temperature anomaly: -7.8 °C
  • Minimum temperature: 15.7 °C

Event center: 31.5°N 111.5°E

Area affected: 1335680 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-Jul-11_to_2020-Jul-21_111.5_31.5

Cold spell occuring from May 19 2020 to May 23 2020 at 34.5°N 128.5°E

Download data: JSON

Event type: Cold spell

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

  • Korea, Republic of

Duration: 5 days

Time span: May 19 2020 to May 23 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -2.9 °C
  • Mean temperature: 13.8 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 9.1 °C

Event center: 34.5°N 128.5°E

Area affected: 185263 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-May-19_to_2020-May-23_128.5_34.5

Heat wave occuring from April 28 2020 to May 04 2020 at 39.0°N 125.0°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
  • Korea, Republic of

Duration: 7 days

Time span: April 28 2020 to May 04 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.4 °C
  • Mean temperature: 15.7 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 22.0 °C

Event center: 39.0°N 125.0°E

Area affected: 256854 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-Apr-28_to_2020-May-04_125.0_39.0

Cold spell occuring from April 16 2020 to May 14 2020 at 27.0°N 81.5°E

Download data: JSON

Event type: Cold spell

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

  • Bangladesh
  • Bhutan
  • China
  • India
  • Japan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Lao People’s Democratic Republic
  • Mongolia
  • Myanmar
  • Nepal
  • Russian Federation
  • Taiwan, Province of China
  • Thailand
  • Viet Nam

Duration: 29 days

Time span: April 16 2020 to May 14 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -5.9 °C
  • Mean temperature: 5.0 °C
  • Minimum temperature anomaly: -14.8 °C
  • Minimum temperature: -26.9 °C

Event center: 27.0°N 81.5°E

Area affected: 13721833 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-Apr-16_to_2020-May-14_81.5_27.0

Heat wave occuring from March 16 2020 to March 27 2020 at 33.5°N 121.0°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
  • Korea, Republic of
  • Taiwan, Province of China

Duration: 12 days

Time span: March 16 2020 to March 27 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.4 °C
  • Mean temperature: 10.5 °C
  • Maximum temperature anomaly: 8.9 °C
  • Maximum temperature: 25.3 °C

Event center: 33.5°N 121.0°E

Area affected: 621002 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-Mar-16_to_2020-Mar-27_121.0_33.5

Heat wave occuring from February 18 2020 to February 28 2020 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
  • Korea, Democratic People’s Republic of
  • Korea, Republic of

Duration: 11 days

Time span: February 18 2020 to February 28 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.1 °C
  • Mean temperature: 11.5 °C
  • Maximum temperature anomaly: 11.8 °C
  • Maximum temperature: 21.9 °C

Event center: 35.5°N 120.0°E

Area affected: 1340173 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-Feb-18_to_2020-Feb-28_120.0_35.5

Heat wave occuring from January 26 2020 to February 18 2020 at 47.5°N 51.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Azerbaijan
  • China
  • Iran, Islamic Republic of
  • Japan
  • Kazakhstan
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kyrgyzstan
  • Mongolia
  • Russian Federation
  • Taiwan, Province of China
  • Tajikistan
  • Turkmenistan
  • Ukraine
  • Uzbekistan

Duration: 24 days

Time span: January 26 2020 to February 18 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 9.1 °C
  • Mean temperature: 3.1 °C
  • Maximum temperature anomaly: 22.8 °C
  • Maximum temperature: 26.3 °C

Event center: 47.5°N 51.0°E

Area affected: 17835535 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-Jan-26_to_2020-Feb-18_51.0_47.5