Category: Extremes affecting Denmark

Heat wave occuring from December 29 2024 to January 01 2025 at 55.5°N 20.0°E

Download data: JSON

Event type: Heat wave

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

  • Denmark
  • Sweden

Duration: 4 days

Time span: December 29 2024 to January 01 2025

Statistics over entire affected area:

  • Mean temperature anomaly: 3.9 °C
  • Mean temperature: 6.2 °C
  • Maximum temperature anomaly: 6.8 °C
  • Maximum temperature: 7.8 °C

Event center: 55.5°N 20.0°E

Area affected: 51194 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_2024-Dec-29_to_2025-Jan-01_20.0_55.5

Heat wave occuring from December 14 2024 to December 21 2024 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):

  • Austria
  • Belarus
  • Czechia
  • Denmark
  • Germany
  • Ireland
  • Italy
  • Lithuania
  • Moldova, Republic of
  • Netherlands
  • Poland
  • Romania
  • Russian Federation
  • Slovakia
  • Sweden
  • Ukraine
  • United Kingdom

Duration: 8 days

Time span: December 14 2024 to December 21 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 7.6 °C
  • Maximum temperature anomaly: 10.8 °C
  • Maximum temperature: 12.3 °C

Event center: 52.5°N 20.5°E

Area affected: 2319160 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_2024-Dec-14_to_2024-Dec-21_20.5_52.5

Heat wave occuring from November 24 2024 to November 27 2024 at 51.5°N 11.0°E

Download data: JSON

Event type: Heat wave

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

  • Denmark
  • France
  • Germany
  • Sweden

Duration: 4 days

Time span: November 24 2024 to November 27 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 5.9 °C
  • Mean temperature: 9.6 °C
  • Maximum temperature anomaly: 10.6 °C
  • Maximum temperature: 14.3 °C

Event center: 51.5°N 11.0°E

Area affected: 205454 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_2024-Nov-24_to_2024-Nov-27_11.0_51.5

Cold spell occuring from November 17 2024 to December 07 2024 at 64.5°N 337.0°E

Download data: JSON

Event type: Cold spell

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

  • Denmark
  • Greenland
  • Iceland
  • Ireland
  • Norway
  • Sweden
  • United Kingdom

Duration: 21 days

Time span: November 17 2024 to December 07 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -6.9 °C
  • Mean temperature: -16.4 °C
  • Minimum temperature anomaly: -15.8 °C
  • Minimum temperature: -52.8 °C

Event center: 64.5°N 337.0°E

Area affected: 5118648 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_2024-Nov-17_to_2024-Dec-07_337.0_64.5

Cold spell occuring from September 08 2024 to September 19 2024 at 67.0°N 338.5°E

Download data: JSON

Event type: Cold spell

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

  • Albania
  • Andorra
  • Austria
  • Belgium
  • Bosnia and Herzegovina
  • Bulgaria
  • Croatia
  • Czechia
  • Denmark
  • France
  • Germany
  • Greece
  • Hungary
  • Iceland
  • Ireland
  • Italy
  • Luxembourg
  • Montenegro
  • Netherlands
  • North Macedonia
  • Norway
  • Romania
  • Serbia
  • Slovakia
  • Slovenia
  • Spain
  • Switzerland
  • United Kingdom

Duration: 12 days

Time span: September 08 2024 to September 19 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -3.1 °C
  • Mean temperature: 7.7 °C
  • Minimum temperature anomaly: -7.2 °C
  • Minimum temperature: -8.6 °C

Event center: 67.0°N 338.5°E

Area affected: 2969063 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_2024-Sep-08_to_2024-Sep-19_338.5_67.0

Heat wave occuring from May 31 2024 to June 03 2024 at 58.5°N 9.5°E

Download data: JSON

Event type: Heat wave

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

  • Denmark
  • Norway
  • Sweden

Duration: 4 days

Time span: May 31 2024 to June 03 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.6 °C
  • Mean temperature: 17.9 °C
  • Maximum temperature anomaly: 6.3 °C
  • Maximum temperature: 20.2 °C

Event center: 58.5°N 9.5°E

Area affected: 58685 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_2024-May-31_to_2024-Jun-03_9.5_58.5

Heat wave occuring from April 28 2024 to May 06 2024 at 60.5°N 6.0°E

Download data: JSON

Event type: Heat wave

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

  • Austria
  • Belarus
  • Belgium
  • Czechia
  • Denmark
  • Germany
  • Latvia
  • Lithuania
  • Netherlands
  • Norway
  • Poland
  • Russian Federation
  • Sweden
  • United Kingdom

Duration: 9 days

Time span: April 28 2024 to May 06 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 4.8 °C
  • Mean temperature: 13.1 °C
  • Maximum temperature anomaly: 9.6 °C
  • Maximum temperature: 21.2 °C

Event center: 60.5°N 6.0°E

Area affected: 2297952 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_2024-Apr-28_to_2024-May-06_6.0_60.5

Cold spell occuring from April 04 2024 to April 29 2024 at 62.5°N 19.5°E

Download data: JSON

Event type: Cold spell

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

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

Duration: 26 days

Time span: April 04 2024 to April 29 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -7.2 °C
  • Mean temperature: -18.6 °C
  • Minimum temperature anomaly: -15.7 °C
  • Minimum temperature: -36.1 °C

Event center: 62.5°N 19.5°E

Area affected: 12514763 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_2024-Apr-04_to_2024-Apr-29_19.5_62.5

Heat wave occuring from March 10 2024 to March 18 2024 at 50.0°N 17.0°E

Download data: JSON

Event type: Heat wave

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

  • Belarus
  • Czechia
  • Denmark
  • Estonia
  • Finland
  • Germany
  • Hungary
  • Latvia
  • Lithuania
  • Poland
  • Russian Federation
  • Slovakia
  • Sweden

Duration: 9 days

Time span: March 10 2024 to March 18 2024

Statistics over entire affected area:

  • Mean temperature anomaly: 6.3 °C
  • Mean temperature: 4.6 °C
  • Maximum temperature anomaly: 10.1 °C
  • Maximum temperature: 12.3 °C

Event center: 50.0°N 17.0°E

Area affected: 1554214 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_2024-Mar-10_to_2024-Mar-18_17.0_50.0

Cold spell occuring from December 30 2023 to January 12 2024 at 63.5°N 21.5°E

Download data: JSON

Event type: Cold spell

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

  • Belarus
  • Denmark
  • Estonia
  • Finland
  • Latvia
  • Lithuania
  • Norway
  • Russian Federation
  • Sweden
  • United Kingdom

Duration: 14 days

Time span: December 30 2023 to January 12 2024

Statistics over entire affected area:

  • Mean temperature anomaly: -14.1 °C
  • Mean temperature: -20.2 °C
  • Minimum temperature anomaly: -28.1 °C
  • Minimum temperature: -38.5 °C

Event center: 63.5°N 21.5°E

Area affected: 3871919 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_2023-Dec-30_to_2024-Jan-12_21.5_63.5