Category: Heat waves affecting Sweden

Heat wave occuring from December 14 2021 to December 19 2021 at 60.0°N 9.0°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Norway
  • Sweden
  • United Kingdom

Duration: 6 days

Time span: December 14 2021 to December 19 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.7 °C
  • Mean temperature: 4.8 °C
  • Maximum temperature anomaly: 13.4 °C
  • Maximum temperature: 9.9 °C

Event center: 60.0°N 9.0°E

Area affected: 608275 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-Dec-14_to_2021-Dec-19_9.0_60.0

Heat wave occuring from November 18 2021 to November 20 2021 at 57.5°N 1.0°E

Download data: JSON

Event type: Heat wave

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

  • Denmark
  • Germany
  • Netherlands
  • Norway
  • Sweden

Duration: 3 days

Time span: November 18 2021 to November 20 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.1 °C
  • Mean temperature: 11.0 °C
  • Maximum temperature anomaly: 8.1 °C
  • Maximum temperature: 12.8 °C

Event center: 57.5°N 1.0°E

Area affected: 335290 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-20_1.0_57.5

Heat wave occuring from November 14 2021 to November 21 2021 at 77.5°N 351.5°E

Download data: JSON

Event type: Heat wave

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

  • Greenland
  • Norway
  • Sweden

Duration: 8 days

Time span: November 14 2021 to November 21 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 8.6 °C
  • Mean temperature: -4.1 °C
  • Maximum temperature anomaly: 15.1 °C
  • Maximum temperature: 5.7 °C

Event center: 77.5°N 351.5°E

Area affected: 753774 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-21_351.5_77.5

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

Heat wave occuring from July 25 2021 to July 29 2021 at 65.0°N 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Norway
  • Sweden

Duration: 5 days

Time span: July 25 2021 to July 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 4.9 °C
  • Mean temperature: 19.5 °C
  • Maximum temperature anomaly: 7.6 °C
  • Maximum temperature: 23.3 °C

Event center: 65.0°N 15.0°E

Area affected: 173464 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-Jul-25_to_2021-Jul-29_15.0_65.0

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 April 15 2021 to April 29 2021 at 68.0°N 52.0°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Norway
  • Russian Federation
  • Svalbard and Jan Mayen
  • Sweden

Duration: 15 days

Time span: April 15 2021 to April 29 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.7 °C
  • Mean temperature: 2.1 °C
  • Maximum temperature anomaly: 14.1 °C
  • Maximum temperature: 11.7 °C

Event center: 68.0°N 52.0°E

Area affected: 3374562 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-Apr-15_to_2021-Apr-29_52.0_68.0

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 23 2021 to March 25 2021 at 66.0°N 23.0°E

Download data: JSON

Event type: Heat wave

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

  • Finland
  • Norway
  • Russian Federation
  • Sweden

Duration: 3 days

Time span: March 23 2021 to March 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 6.0 °C
  • Mean temperature: 1.3 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 5.0 °C

Event center: 66.0°N 23.0°E

Area affected: 85450 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-23_to_2021-Mar-25_23.0_66.0

Heat wave occuring from March 22 2021 to March 25 2021 at 64.5°N 15.0°E

Download data: JSON

Event type: Heat wave

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

  • Norway
  • Sweden

Duration: 4 days

Time span: March 22 2021 to March 25 2021

Statistics over entire affected area:

  • Mean temperature anomaly: 5.3 °C
  • Mean temperature: 3.8 °C
  • Maximum temperature anomaly: 8.6 °C
  • Maximum temperature: 7.0 °C

Event center: 64.5°N 15.0°E

Area affected: 66915 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-22_to_2021-Mar-25_15.0_64.5