Heat wave occuring from November 19 2021 to November 21 2021 at 52.5°N 20.5°E

Download data: JSON

Event type: Heat wave

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

  • Belarus
  • Poland
  • Ukraine

Duration: 3 days

Time span: November 19 2021 to November 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.5 °C
  • Mean temperature: 8.7 °C
  • Maximum temperature anomaly: 7.8 °C
  • Maximum temperature: 10.8 °C

Event center: 52.5°N 20.5°E

Area affected: 128460 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-19_to_2021-Nov-21_20.5_52.5

Heat wave occuring from June 23 2021 to October 12 2021 at 72.0°N 339.0°E

Download data: JSON

Event type: Heat wave

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

  • Albania
  • Algeria
  • Andorra
  • Bahamas
  • Belgium
  • Burkina Faso
  • Canada
  • Czechia
  • Denmark
  • Egypt
  • Finland
  • France
  • Germany
  • Greece
  • Greenland
  • Iceland
  • Ireland
  • Italy
  • Libya
  • Mali
  • Mauritania
  • Morocco
  • Netherlands
  • Niger
  • Norway
  • Poland
  • Portugal
  • Russian Federation
  • Spain
  • Svalbard and Jan Mayen
  • Sweden
  • Tunisia
  • Türkiye
  • United Kingdom
  • United States

Duration: 112 days

Time span: June 23 2021 to October 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 3.8 °C
  • Mean temperature: 12.4 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 41.9 °C

Event center: 30.0°N 0.0°E

Area affected: 35897257 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-Jun-23_to_2021-Oct-12_339.0_72.0

Heat wave occuring from May 10 2021 to May 12 2021 at 54.5°N 18.0°E

Download data: JSON

Event type: Heat wave

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

  • Czechia
  • Poland
  • Russian Federation
  • Slovakia

Duration: 3 days

Time span: May 10 2021 to May 12 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 19.3 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 22.6 °C

Event center: 54.5°N 18.0°E

Area affected: 169047 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-May-10_to_2021-May-12_18.0_54.5

Heat wave occuring from March 28 2021 to November 10 2022 at 1.0°N 350.0°E

Download data: JSON

Event type: Heat wave

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

  • Afghanistan
  • Albania
  • Algeria
  • Andorra
  • Angola
  • Argentina
  • Armenia
  • Australia
  • Austria
  • Azerbaijan
  • Bahrain
  • Bangladesh
  • Belarus
  • Belgium
  • Benin
  • Bhutan
  • Bolivia, Plurinational State of
  • Bonaire, Sint Eustatius and Saba
  • Bosnia and Herzegovina
  • Botswana
  • Brazil
  • Brunei Darussalam
  • Bulgaria
  • Burkina Faso
  • Burundi
  • Cabo Verde
  • Cambodia
  • Cameroon
  • Canada
  • Central African Republic
  • Chad
  • Chile
  • China
  • Christmas Island
  • Colombia
  • Congo
  • Congo, The Democratic Republic of the
  • Cook Islands
  • Croatia
  • Cyprus
  • Czechia
  • Côte d’Ivoire
  • Denmark
  • Djibouti
  • Dominican Republic
  • Ecuador
  • Egypt
  • Equatorial Guinea
  • Eritrea
  • Estonia
  • Eswatini
  • Ethiopia
  • Fiji
  • Finland
  • France
  • French Guiana
  • French Polynesia
  • French Southern Territories
  • Gabon
  • Gambia
  • Georgia
  • Germany
  • Ghana
  • Greece
  • Greenland
  • Guinea
  • Guinea-Bissau
  • Guyana
  • Haiti
  • Hong Kong
  • Hungary
  • Iceland
  • India
  • Indonesia
  • Iran, Islamic Republic of
  • Iraq
  • Ireland
  • Israel
  • Italy
  • Japan
  • Jordan
  • Kazakhstan
  • Kenya
  • Korea, Democratic People’s Republic of
  • Korea, Republic of
  • Kuwait
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Latvia
  • Lebanon
  • Lesotho
  • Liberia
  • Libya
  • Lithuania
  • Luxembourg
  • Madagascar
  • Malawi
  • Malaysia
  • Maldives
  • Mali
  • Martinique
  • Mauritania
  • Mauritius
  • Mexico
  • Moldova, Republic of
  • Mongolia
  • Montenegro
  • Morocco
  • Mozambique
  • Myanmar
  • Namibia
  • Nepal
  • Netherlands
  • New Caledonia
  • New Zealand
  • Niger
  • Nigeria
  • Norfolk Island
  • North Macedonia
  • Northern Mariana Islands
  • Norway
  • Oman
  • Pakistan
  • Palau
  • Papua New Guinea
  • Paraguay
  • Peru
  • Philippines
  • Poland
  • Portugal
  • Puerto Rico
  • Qatar
  • Romania
  • Russian Federation
  • Rwanda
  • Saint Lucia
  • Samoa
  • Saudi Arabia
  • Senegal
  • Serbia
  • Seychelles
  • Sierra Leone
  • Sint Maarten (Dutch part)
  • Slovakia
  • Slovenia
  • Solomon Islands
  • Somalia
  • South Africa
  • South Sudan
  • Spain
  • Sri Lanka
  • Sudan
  • Suriname
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland
  • Syrian Arab Republic
  • Taiwan, Province of China
  • Tajikistan
  • Tanzania, United Republic of
  • Thailand
  • Timor-Leste
  • Togo
  • Tonga
  • Tunisia
  • Turkmenistan
  • Türkiye
  • Uganda
  • Ukraine
  • United Arab Emirates
  • United Kingdom
  • United States
  • Uzbekistan
  • Vanuatu
  • Venezuela, Bolivarian Republic of
  • Viet Nam
  • Yemen
  • Zambia
  • Zimbabwe

Duration: 593 days

Time span: March 28 2021 to November 10 2022

Statistics over entire affected area:

  • Mean temperature anomaly: 3.2 °C
  • Mean temperature: 20.7 °C
  • Maximum temperature anomaly: 35.1 °C
  • Maximum temperature: 44.7 °C

Event center: 1.0°N 350.0°E

Area affected: 335408961 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-Mar-28_to_2022-Nov-10_350.0_1.0

Heat wave occuring from March 18 2021 to April 05 2021 at 81.5°N 20.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Andorra
  • Austria
  • Belarus
  • Belgium
  • Bosnia and Herzegovina
  • Croatia
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • France
  • Germany
  • Hungary
  • Italy
  • Luxembourg
  • Morocco
  • Netherlands
  • Norway
  • Poland
  • Portugal
  • Russian Federation
  • Serbia
  • Slovakia
  • Slovenia
  • Spain
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland

Duration: 19 days

Time span: March 18 2021 to April 05 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.0 °C
  • Mean temperature: -0.3 °C
  • Maximum temperature anomaly: 16.7 °C
  • Maximum temperature: 24.8 °C

Event center: 81.5°N 20.0°E

Area affected: 6694036 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-Mar-18_to_2021-Apr-05_20.0_81.5

Heat wave occuring from December 22 2020 to December 24 2020 at 48.5°N 12.5°E

Download data: JSON

Event type: Heat wave

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

  • Austria
  • Czechia
  • Germany
  • Poland

Duration: 3 days

Time span: December 22 2020 to December 24 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 7.4 °C
  • Mean temperature: 7.7 °C
  • Maximum temperature anomaly: 10.2 °C
  • Maximum temperature: 10.9 °C

Event center: 48.5°N 12.5°E

Area affected: 76438 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-22_to_2020-Dec-24_12.5_48.5

Heat wave occuring from December 14 2020 to February 18 2021 at 74.5°N 275.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Denmark
  • Estonia
  • Finland
  • France
  • Germany
  • Greenland
  • Latvia
  • Lithuania
  • Norway
  • Poland
  • Russian Federation
  • Svalbard and Jan Mayen
  • Sweden
  • United Kingdom
  • United States

Duration: 67 days

Time span: December 14 2020 to February 18 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 11.6 °C
  • Mean temperature: -9.6 °C
  • Maximum temperature anomaly: 30.8 °C
  • Maximum temperature: 20.2 °C

Event center: 74.5°N 275.5°E

Area affected: 27193366 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-14_to_2021-Feb-18_275.5_74.5

Heat wave occuring from December 11 2020 to March 16 2021 at -13.5°S 16.0°E

Download data: JSON

Event type: Heat wave

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

  • Algeria
  • Angola
  • Australia
  • Austria
  • Belarus
  • Belgium
  • Benin
  • Bosnia and Herzegovina
  • Burkina Faso
  • Cameroon
  • Canada
  • Central African Republic
  • Congo
  • Congo, The Democratic Republic of the
  • Croatia
  • Czechia
  • Côte d’Ivoire
  • Denmark
  • Equatorial Guinea
  • Estonia
  • Eswatini
  • Finland
  • France
  • Gabon
  • Germany
  • Ghana
  • Greenland
  • Guinea
  • Guinea-Bissau
  • Hungary
  • Iceland
  • Italy
  • Latvia
  • Liberia
  • Lithuania
  • Luxembourg
  • Madagascar
  • Malawi
  • Mali
  • Mauritania
  • Montenegro
  • Mozambique
  • Namibia
  • Netherlands
  • Nigeria
  • Norway
  • Poland
  • Portugal
  • Russian Federation
  • Réunion
  • Senegal
  • Sierra Leone
  • Slovakia
  • Slovenia
  • South Africa
  • South Sudan
  • Spain
  • Svalbard and Jan Mayen
  • Sweden
  • Switzerland
  • Tanzania, United Republic of
  • Togo
  • Tunisia
  • Ukraine
  • United Kingdom
  • Zambia
  • Zimbabwe

Duration: 96 days

Time span: December 11 2020 to March 16 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.6 °C
  • Mean temperature: 6.9 °C
  • Maximum temperature anomaly: 23.6 °C
  • Maximum temperature: 39.6 °C

Event center: -13.5°S 16.0°E

Area affected: 45189614 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_2021-Mar-16_16.0_-13.5

Heat wave occuring from December 04 2020 to December 07 2020 at 46.5°N 22.5°E

Download data: JSON

Event type: Heat wave

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

  • Austria
  • Czechia
  • Hungary
  • Poland
  • Romania
  • Slovakia
  • Ukraine

Duration: 4 days

Time span: December 04 2020 to December 07 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 6.4 °C
  • Mean temperature: 7.0 °C
  • Maximum temperature anomaly: 9.8 °C
  • Maximum temperature: 11.1 °C

Event center: 46.5°N 22.5°E

Area affected: 201432 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-04_to_2020-Dec-07_22.5_46.5

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