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

Heat wave occuring from October 14 2020 to February 13 2021 at 11.5°N 347.5°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Armenia
  • Azerbaijan
  • Bahrain
  • Belarus
  • Belgium
  • Benin
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cameroon
  • Central African Republic
  • Chad
  • China
  • Congo
  • Congo, The Democratic Republic of the
  • Cyprus
  • Czechia
  • Côte d’Ivoire
  • Egypt
  • Equatorial Guinea
  • Eritrea
  • Ethiopia
  • France
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Guinea
  • Guinea-Bissau
  • Hungary
  • Iran, Islamic Republic of
  • Iraq
  • Israel
  • Italy
  • Jordan
  • Kazakhstan
  • Kyrgyzstan
  • Lebanon
  • Liberia
  • Libya
  • Mali
  • Mauritania
  • Moldova, Republic of
  • Mongolia
  • Morocco
  • Niger
  • Nigeria
  • North Macedonia
  • Pakistan
  • Poland
  • Portugal
  • Romania
  • Russian Federation
  • Rwanda
  • Saudi Arabia
  • Senegal
  • Serbia
  • Sierra Leone
  • Slovakia
  • South Sudan
  • Spain
  • Sudan
  • Syrian Arab Republic
  • Tajikistan
  • Tanzania, United Republic of
  • Togo
  • Tunisia
  • Turkmenistan
  • Türkiye
  • Uganda
  • Ukraine
  • United Kingdom
  • Uzbekistan

Duration: 123 days

Time span: October 14 2020 to February 13 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 18.7 °C
  • Maximum temperature anomaly: 17.0 °C
  • Maximum temperature: 32.7 °C

Event center: 3.5°N 19.5°E

Area affected: 37333109 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-Oct-14_to_2021-Feb-13_347.5_11.5

Cold spell occuring from October 11 2020 to October 19 2020 at 42.0°N 3.0°E

Download data: JSON

Event type: Cold spell

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

  • Andorra
  • France
  • Italy
  • Morocco
  • Portugal
  • Spain
  • Switzerland

Duration: 9 days

Time span: October 11 2020 to October 19 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -3.6 °C
  • Mean temperature: 12.5 °C
  • Minimum temperature anomaly: -7.6 °C
  • Minimum temperature: 2.5 °C

Event center: 30.5°N 349.0°E

Area affected: 1138920 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-Oct-11_to_2020-Oct-19_3.0_42.0

Heat wave occuring from October 11 2020 to October 15 2020 at 25.5°N 347.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Mali
  • Mauritania
  • Morocco

Duration: 5 days

Time span: October 11 2020 to October 15 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 30.7 °C
  • Maximum temperature anomaly: 7.5 °C
  • Maximum temperature: 33.6 °C

Event center: 25.5°N 347.0°E

Area affected: 364639 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-Oct-11_to_2020-Oct-15_347.0_25.5

Heat wave occuring from October 04 2020 to October 13 2020 at 32.0°N 354.5°E

Download data: JSON

Event type: Heat wave

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

  • Morocco

Duration: 10 days

Time span: October 04 2020 to October 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 20.1 °C
  • Maximum temperature anomaly: 5.6 °C
  • Maximum temperature: 27.3 °C

Event center: 32.0°N 354.5°E

Area affected: 99299 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-Oct-04_to_2020-Oct-13_354.5_32.0

Cold spell occuring from September 30 2020 to October 10 2020 at 32.5°N 350.5°E

Download data: JSON

Event type: Cold spell

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

  • Morocco

Duration: 11 days

Time span: September 30 2020 to October 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -1.7 °C
  • Mean temperature: 19.0 °C
  • Minimum temperature anomaly: -5.0 °C
  • Minimum temperature: 17.1 °C

Event center: 32.5°N 350.5°E

Area affected: 50619 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-Sep-30_to_2020-Oct-10_350.5_32.5

Heat wave occuring from September 06 2020 to September 10 2020 at 25.5°N 346.5°E

Download data: JSON

Event type: Heat wave

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

  • Mauritania
  • Morocco

Duration: 5 days

Time span: September 06 2020 to September 10 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 33.0 °C
  • Maximum temperature anomaly: 8.2 °C
  • Maximum temperature: 37.6 °C

Event center: 25.5°N 346.5°E

Area affected: 265097 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-Sep-06_to_2020-Sep-10_346.5_25.5

Cold spell occuring from August 31 2020 to September 07 2020 at 33.5°N 6.0°E

Download data: JSON

Event type: Cold spell

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

  • Algeria
  • Morocco
  • Tunisia

Duration: 8 days

Time span: August 31 2020 to September 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -4.8 °C
  • Mean temperature: 26.1 °C
  • Minimum temperature anomaly: -9.1 °C
  • Minimum temperature: 18.5 °C

Event center: 33.5°N 6.0°E

Area affected: 390644 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-Aug-31_to_2020-Sep-07_6.0_33.5

Heat wave occuring from August 11 2020 to August 30 2020 at 31.0°N 356.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Spain
  • Tunisia

Duration: 20 days

Time span: August 11 2020 to August 30 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 3.7 °C
  • Mean temperature: 36.0 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: 41.2 °C

Event center: 31.0°N 356.0°E

Area affected: 3073591 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-Aug-11_to_2020-Aug-30_356.0_31.0

Heat wave occuring from August 05 2020 to August 08 2020 at 30.5°N 356.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Morocco

Duration: 4 days

Time span: August 05 2020 to August 08 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 37.4 °C
  • Maximum temperature anomaly: 3.3 °C
  • Maximum temperature: 39.4 °C

Event center: 30.5°N 356.0°E

Area affected: 66369 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-Aug-05_to_2020-Aug-08_356.0_30.5