Category: Extremes affecting Svalbard and Jan Mayen

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 July 05 2020 to July 13 2020 at 78.5°N 11.5°E

Download data: JSON

Event type: Heat wave

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

  • Svalbard and Jan Mayen

Duration: 9 days

Time span: July 05 2020 to July 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.3 °C
  • Mean temperature: 5.9 °C
  • Maximum temperature anomaly: 4.4 °C
  • Maximum temperature: 11.2 °C

Event center: 78.5°N 11.5°E

Area affected: 56520 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-Jul-05_to_2020-Jul-13_11.5_78.5

Heat wave occuring from May 20 2020 to June 06 2020 at 80.0°N 344.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • Greenland
  • Norway
  • Russian Federation
  • Svalbard and Jan Mayen

Duration: 18 days

Time span: May 20 2020 to June 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 2.6 °C
  • Mean temperature: 0.2 °C
  • Maximum temperature anomaly: 8.0 °C
  • Maximum temperature: 5.4 °C

Event center: 80.0°N 344.5°E

Area affected: 4402196 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-May-20_to_2020-Jun-06_344.5_80.0

Heat wave occuring from May 04 2020 to June 06 2020 at 50.5°N 201.5°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • China
  • Greenland
  • Kazakhstan
  • Mongolia
  • Russian Federation
  • Svalbard and Jan Mayen
  • United States

Duration: 34 days

Time span: May 04 2020 to June 06 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 5.8 °C
  • Mean temperature: 3.1 °C
  • Maximum temperature anomaly: 21.5 °C
  • Maximum temperature: 26.2 °C

Event center: 50.5°N 201.5°E

Area affected: 21296845 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-May-04_to_2020-Jun-06_201.5_50.5

Cold spell occuring from April 08 2020 to April 13 2020 at 75.5°N 24.0°E

Download data: JSON

Event type: Cold spell

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

  • Svalbard and Jan Mayen

Duration: 6 days

Time span: April 08 2020 to April 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -7.8 °C
  • Mean temperature: -10.8 °C
  • Minimum temperature anomaly: -10.3 °C
  • Minimum temperature: -15.7 °C

Event center: 75.5°N 24.0°E

Area affected: 53292 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-08_to_2020-Apr-13_24.0_75.5

Heat wave occuring from April 04 2020 to May 12 2020 at 68.0°N 92.0°E

Download data: JSON

Event type: Heat wave

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

  • Canada
  • China
  • Hong Kong
  • Kazakhstan
  • Kyrgyzstan
  • Lao People’s Democratic Republic
  • Mongolia
  • Myanmar
  • Russian Federation
  • Svalbard and Jan Mayen
  • Taiwan, Province of China
  • Viet Nam

Duration: 39 days

Time span: April 04 2020 to May 12 2020

Statistics over entire affected area:

  • Mean temperature anomaly: 8.7 °C
  • Mean temperature: -0.6 °C
  • Maximum temperature anomaly: 18.8 °C
  • Maximum temperature: 34.4 °C

Event center: 68.0°N 92.0°E

Area affected: 20709406 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-04_to_2020-May-12_92.0_68.0

Cold spell occuring from March 23 2020 to April 13 2020 at 79.5°N 5.5°E

Download data: JSON

Event type: Cold spell

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

  • Svalbard and Jan Mayen

Duration: 22 days

Time span: March 23 2020 to April 13 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -8.7 °C
  • Mean temperature: -19.6 °C
  • Minimum temperature anomaly: -15.6 °C
  • Minimum temperature: -33.5 °C

Event center: 79.5°N 5.5°E

Area affected: 477038 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-Mar-23_to_2020-Apr-13_5.5_79.5

Cold spell occuring from February 20 2020 to March 21 2020 at 79.5°N 3.5°E

Download data: JSON

Event type: Cold spell

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

  • Canada
  • Greenland
  • Russian Federation
  • Svalbard and Jan Mayen

Duration: 31 days

Time span: February 20 2020 to March 21 2020

Statistics over entire affected area:

  • Mean temperature anomaly: -9.3 °C
  • Mean temperature: -33.1 °C
  • Minimum temperature anomaly: -22.0 °C
  • Minimum temperature: -57.2 °C

Event center: 79.5°N 3.5°E

Area affected: 5654855 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-Feb-20_to_2020-Mar-21_3.5_79.5